diff --git a/README.md b/README.md
index 6f56b9a7..77058a14 100644
--- a/README.md
+++ b/README.md
@@ -41,7 +41,7 @@ Add the dependency in your `pom.xml` file:
 <dependency>
   <groupId>io.intercom</groupId>
   <artifactId>intercom-java</artifactId>
-  <version>4.0.1</version>
+  <version>4.0.3</version>
 </dependency>
 ```
 
diff --git a/build.gradle b/build.gradle
index ce01ae9f..d637172e 100644
--- a/build.gradle
+++ b/build.gradle
@@ -47,7 +47,7 @@ java {
 
 group = 'io.intercom'
 
-version = '4.0.2'
+version = '4.0.3'
 
 jar {
     dependsOn(":generatePomFileForMavenPublication")
@@ -78,7 +78,7 @@ publishing {
         maven(MavenPublication) {
             groupId = 'io.intercom'
             artifactId = 'intercom-java'
-            version = '4.0.2'
+            version = '4.0.3'
             from components.java
             pom {
                 name = 'intercom'
diff --git a/src/main/java/com/intercom/api/core/ClientOptions.java b/src/main/java/com/intercom/api/core/ClientOptions.java
index 4dbd6482..41a520f7 100644
--- a/src/main/java/com/intercom/api/core/ClientOptions.java
+++ b/src/main/java/com/intercom/api/core/ClientOptions.java
@@ -44,10 +44,10 @@ private ClientOptions(
         this.headers.putAll(headers);
         this.headers.putAll(new HashMap<String, String>() {
             {
-                put("User-Agent", "io.intercom:intercom-java/4.0.1");
+                put("User-Agent", "io.intercom:intercom-java/4.0.3");
                 put("X-Fern-Language", "JAVA");
                 put("X-Fern-SDK-Name", "com.intercom.fern:api-sdk");
-                put("X-Fern-SDK-Version", "4.0.1");
+                put("X-Fern-SDK-Version", "4.0.3");
             }
         });
         this.headerSuppliers = headerSuppliers;
diff --git a/src/main/java/com/intercom/api/resources/contacts/types/Contact.java b/src/main/java/com/intercom/api/resources/contacts/types/Contact.java
index 28332c81..502988a6 100644
--- a/src/main/java/com/intercom/api/resources/contacts/types/Contact.java
+++ b/src/main/java/com/intercom/api/resources/contacts/types/Contact.java
@@ -21,19 +21,18 @@
 import java.util.Map;
 import java.util.Objects;
 import java.util.Optional;
+import org.jetbrains.annotations.NotNull;
 
 @JsonInclude(JsonInclude.Include.NON_ABSENT)
 @JsonDeserialize(builder = Contact.Builder.class)
 public final class Contact implements IContact {
-    private final Optional<String> type;
-
-    private final Optional<String> id;
+    private final String id;
 
     private final Optional<String> externalId;
 
-    private final Optional<String> workspaceId;
+    private final String workspaceId;
 
-    private final Optional<String> role;
+    private final String role;
 
     private final Optional<String> email;
 
@@ -45,15 +44,15 @@ public final class Contact implements IContact {
 
     private final Optional<Integer> ownerId;
 
-    private final Optional<Boolean> hasHardBounced;
+    private final boolean hasHardBounced;
 
-    private final Optional<Boolean> markedEmailAsSpam;
+    private final boolean markedEmailAsSpam;
 
-    private final Optional<Boolean> unsubscribedFromEmails;
+    private final boolean unsubscribedFromEmails;
 
-    private final Optional<Integer> createdAt;
+    private final int createdAt;
 
-    private final Optional<Integer> updatedAt;
+    private final int updatedAt;
 
     private final Optional<Integer> signedUpAt;
 
@@ -118,21 +117,20 @@ public final class Contact implements IContact {
     private final Map<String, Object> additionalProperties;
 
     private Contact(
-            Optional<String> type,
-            Optional<String> id,
+            String id,
             Optional<String> externalId,
-            Optional<String> workspaceId,
-            Optional<String> role,
+            String workspaceId,
+            String role,
             Optional<String> email,
             Optional<String> emailDomain,
             Optional<String> phone,
             Optional<String> name,
             Optional<Integer> ownerId,
-            Optional<Boolean> hasHardBounced,
-            Optional<Boolean> markedEmailAsSpam,
-            Optional<Boolean> unsubscribedFromEmails,
-            Optional<Integer> createdAt,
-            Optional<Integer> updatedAt,
+            boolean hasHardBounced,
+            boolean markedEmailAsSpam,
+            boolean unsubscribedFromEmails,
+            int createdAt,
+            int updatedAt,
             Optional<Integer> signedUpAt,
             Optional<Integer> lastSeenAt,
             Optional<Integer> lastRepliedAt,
@@ -164,7 +162,6 @@ private Contact(
             Optional<ContactLocation> location,
             Optional<ContactSocialProfiles> socialProfiles,
             Map<String, Object> additionalProperties) {
-        this.type = type;
         this.id = id;
         this.externalId = externalId;
         this.workspaceId = workspaceId;
@@ -216,15 +213,15 @@ private Contact(
      * @return The type of object.
      */
     @JsonProperty("type")
-    public Optional<String> getType() {
-        return type;
+    public String getType() {
+        return "contact";
     }
 
     /**
      * @return The unique identifier for the contact which is given by Intercom.
      */
     @JsonProperty("id")
-    public Optional<String> getId() {
+    public String getId() {
         return id;
     }
 
@@ -240,7 +237,7 @@ public Optional<String> getExternalId() {
      * @return The id of the workspace which the contact belongs to.
      */
     @JsonProperty("workspace_id")
-    public Optional<String> getWorkspaceId() {
+    public String getWorkspaceId() {
         return workspaceId;
     }
 
@@ -248,7 +245,7 @@ public Optional<String> getWorkspaceId() {
      * @return The role of the contact.
      */
     @JsonProperty("role")
-    public Optional<String> getRole() {
+    public String getRole() {
         return role;
     }
 
@@ -296,7 +293,7 @@ public Optional<Integer> getOwnerId() {
      * @return Whether the contact has had an email sent to them hard bounce.
      */
     @JsonProperty("has_hard_bounced")
-    public Optional<Boolean> getHasHardBounced() {
+    public boolean getHasHardBounced() {
         return hasHardBounced;
     }
 
@@ -304,7 +301,7 @@ public Optional<Boolean> getHasHardBounced() {
      * @return Whether the contact has marked an email sent to them as spam.
      */
     @JsonProperty("marked_email_as_spam")
-    public Optional<Boolean> getMarkedEmailAsSpam() {
+    public boolean getMarkedEmailAsSpam() {
         return markedEmailAsSpam;
     }
 
@@ -312,7 +309,7 @@ public Optional<Boolean> getMarkedEmailAsSpam() {
      * @return Whether the contact is unsubscribed from emails.
      */
     @JsonProperty("unsubscribed_from_emails")
-    public Optional<Boolean> getUnsubscribedFromEmails() {
+    public boolean getUnsubscribedFromEmails() {
         return unsubscribedFromEmails;
     }
 
@@ -320,7 +317,7 @@ public Optional<Boolean> getUnsubscribedFromEmails() {
      * @return (UNIX timestamp) The time when the contact was created.
      */
     @JsonProperty("created_at")
-    public Optional<Integer> getCreatedAt() {
+    public int getCreatedAt() {
         return createdAt;
     }
 
@@ -328,7 +325,7 @@ public Optional<Integer> getCreatedAt() {
      * @return (UNIX timestamp) The time when the contact was last updated.
      */
     @JsonProperty("updated_at")
-    public Optional<Integer> getUpdatedAt() {
+    public int getUpdatedAt() {
         return updatedAt;
     }
 
@@ -569,8 +566,7 @@ public Map<String, Object> getAdditionalProperties() {
     }
 
     private boolean equalTo(Contact other) {
-        return type.equals(other.type)
-                && id.equals(other.id)
+        return id.equals(other.id)
                 && externalId.equals(other.externalId)
                 && workspaceId.equals(other.workspaceId)
                 && role.equals(other.role)
@@ -579,11 +575,11 @@ private boolean equalTo(Contact other) {
                 && phone.equals(other.phone)
                 && name.equals(other.name)
                 && ownerId.equals(other.ownerId)
-                && hasHardBounced.equals(other.hasHardBounced)
-                && markedEmailAsSpam.equals(other.markedEmailAsSpam)
-                && unsubscribedFromEmails.equals(other.unsubscribedFromEmails)
-                && createdAt.equals(other.createdAt)
-                && updatedAt.equals(other.updatedAt)
+                && hasHardBounced == other.hasHardBounced
+                && markedEmailAsSpam == other.markedEmailAsSpam
+                && unsubscribedFromEmails == other.unsubscribedFromEmails
+                && createdAt == other.createdAt
+                && updatedAt == other.updatedAt
                 && signedUpAt.equals(other.signedUpAt)
                 && lastSeenAt.equals(other.lastSeenAt)
                 && lastRepliedAt.equals(other.lastRepliedAt)
@@ -619,7 +615,6 @@ private boolean equalTo(Contact other) {
     @java.lang.Override
     public int hashCode() {
         return Objects.hash(
-                this.type,
                 this.id,
                 this.externalId,
                 this.workspaceId,
@@ -671,774 +666,1246 @@ public String toString() {
         return ObjectMappers.stringify(this);
     }
 
-    public static Builder builder() {
+    public static IdStage builder() {
         return new Builder();
     }
 
-    @JsonIgnoreProperties(ignoreUnknown = true)
-    public static final class Builder {
-        private Optional<String> type = Optional.empty();
+    public interface IdStage {
+        /**
+         * <p>The unique identifier for the contact which is given by Intercom.</p>
+         */
+        WorkspaceIdStage id(@NotNull String id);
 
-        private Optional<String> id = Optional.empty();
+        Builder from(Contact other);
+    }
 
-        private Optional<String> externalId = Optional.empty();
+    public interface WorkspaceIdStage {
+        /**
+         * <p>The id of the workspace which the contact belongs to.</p>
+         */
+        RoleStage workspaceId(@NotNull String workspaceId);
+    }
 
-        private Optional<String> workspaceId = Optional.empty();
+    public interface RoleStage {
+        /**
+         * <p>The role of the contact.</p>
+         */
+        HasHardBouncedStage role(@NotNull String role);
+    }
 
-        private Optional<String> role = Optional.empty();
+    public interface HasHardBouncedStage {
+        /**
+         * <p>Whether the contact has had an email sent to them hard bounce.</p>
+         */
+        MarkedEmailAsSpamStage hasHardBounced(boolean hasHardBounced);
+    }
 
-        private Optional<String> email = Optional.empty();
+    public interface MarkedEmailAsSpamStage {
+        /**
+         * <p>Whether the contact has marked an email sent to them as spam.</p>
+         */
+        UnsubscribedFromEmailsStage markedEmailAsSpam(boolean markedEmailAsSpam);
+    }
 
-        private Optional<String> emailDomain = Optional.empty();
+    public interface UnsubscribedFromEmailsStage {
+        /**
+         * <p>Whether the contact is unsubscribed from emails.</p>
+         */
+        CreatedAtStage unsubscribedFromEmails(boolean unsubscribedFromEmails);
+    }
 
-        private Optional<String> phone = Optional.empty();
+    public interface CreatedAtStage {
+        /**
+         * <p>(UNIX timestamp) The time when the contact was created.</p>
+         */
+        UpdatedAtStage createdAt(int createdAt);
+    }
 
-        private Optional<String> name = Optional.empty();
+    public interface UpdatedAtStage {
+        /**
+         * <p>(UNIX timestamp) The time when the contact was last updated.</p>
+         */
+        _FinalStage updatedAt(int updatedAt);
+    }
 
-        private Optional<Integer> ownerId = Optional.empty();
+    public interface _FinalStage {
+        Contact build();
 
-        private Optional<Boolean> hasHardBounced = Optional.empty();
+        /**
+         * <p>The unique identifier for the contact which is provided by the Client.</p>
+         */
+        _FinalStage externalId(Optional<String> externalId);
 
-        private Optional<Boolean> markedEmailAsSpam = Optional.empty();
+        _FinalStage externalId(String externalId);
 
-        private Optional<Boolean> unsubscribedFromEmails = Optional.empty();
+        /**
+         * <p>The contact's email.</p>
+         */
+        _FinalStage email(Optional<String> email);
 
-        private Optional<Integer> createdAt = Optional.empty();
+        _FinalStage email(String email);
 
-        private Optional<Integer> updatedAt = Optional.empty();
+        /**
+         * <p>The contact's email domain.</p>
+         */
+        _FinalStage emailDomain(Optional<String> emailDomain);
 
-        private Optional<Integer> signedUpAt = Optional.empty();
+        _FinalStage emailDomain(String emailDomain);
 
-        private Optional<Integer> lastSeenAt = Optional.empty();
+        /**
+         * <p>The contacts phone.</p>
+         */
+        _FinalStage phone(Optional<String> phone);
 
-        private Optional<Integer> lastRepliedAt = Optional.empty();
+        _FinalStage phone(String phone);
 
-        private Optional<Integer> lastContactedAt = Optional.empty();
+        /**
+         * <p>The contacts name.</p>
+         */
+        _FinalStage name(Optional<String> name);
 
-        private Optional<Integer> lastEmailOpenedAt = Optional.empty();
+        _FinalStage name(String name);
 
-        private Optional<Integer> lastEmailClickedAt = Optional.empty();
+        /**
+         * <p>The id of an admin that has been assigned account ownership of the contact.</p>
+         */
+        _FinalStage ownerId(Optional<Integer> ownerId);
 
-        private Optional<String> languageOverride = Optional.empty();
+        _FinalStage ownerId(Integer ownerId);
 
-        private Optional<String> browser = Optional.empty();
+        /**
+         * <p>(UNIX timestamp) The time specified for when a contact signed up.</p>
+         */
+        _FinalStage signedUpAt(Optional<Integer> signedUpAt);
 
-        private Optional<String> browserVersion = Optional.empty();
+        _FinalStage signedUpAt(Integer signedUpAt);
 
-        private Optional<String> browserLanguage = Optional.empty();
+        /**
+         * <p>(UNIX timestamp) The time when the contact was last seen (either where the Intercom Messenger was installed or when specified manually).</p>
+         */
+        _FinalStage lastSeenAt(Optional<Integer> lastSeenAt);
 
-        private Optional<String> os = Optional.empty();
+        _FinalStage lastSeenAt(Integer lastSeenAt);
 
-        private Optional<String> androidAppName = Optional.empty();
+        /**
+         * <p>(UNIX timestamp) The time when the contact last messaged in.</p>
+         */
+        _FinalStage lastRepliedAt(Optional<Integer> lastRepliedAt);
 
-        private Optional<String> androidAppVersion = Optional.empty();
+        _FinalStage lastRepliedAt(Integer lastRepliedAt);
 
-        private Optional<String> androidDevice = Optional.empty();
+        /**
+         * <p>(UNIX timestamp) The time when the contact was last messaged.</p>
+         */
+        _FinalStage lastContactedAt(Optional<Integer> lastContactedAt);
 
-        private Optional<String> androidOsVersion = Optional.empty();
+        _FinalStage lastContactedAt(Integer lastContactedAt);
 
-        private Optional<String> androidSdkVersion = Optional.empty();
+        /**
+         * <p>(UNIX timestamp) The time when the contact last opened an email.</p>
+         */
+        _FinalStage lastEmailOpenedAt(Optional<Integer> lastEmailOpenedAt);
 
-        private Optional<Integer> androidLastSeenAt = Optional.empty();
+        _FinalStage lastEmailOpenedAt(Integer lastEmailOpenedAt);
 
-        private Optional<String> iosAppName = Optional.empty();
+        /**
+         * <p>(UNIX timestamp) The time when the contact last clicked a link in an email.</p>
+         */
+        _FinalStage lastEmailClickedAt(Optional<Integer> lastEmailClickedAt);
 
-        private Optional<String> iosAppVersion = Optional.empty();
+        _FinalStage lastEmailClickedAt(Integer lastEmailClickedAt);
 
-        private Optional<String> iosDevice = Optional.empty();
+        /**
+         * <p>A preferred language setting for the contact, used by the Intercom Messenger even if their browser settings change.</p>
+         */
+        _FinalStage languageOverride(Optional<String> languageOverride);
 
-        private Optional<String> iosOsVersion = Optional.empty();
+        _FinalStage languageOverride(String languageOverride);
 
-        private Optional<String> iosSdkVersion = Optional.empty();
+        /**
+         * <p>The name of the browser which the contact is using.</p>
+         */
+        _FinalStage browser(Optional<String> browser);
 
-        private Optional<Integer> iosLastSeenAt = Optional.empty();
+        _FinalStage browser(String browser);
 
-        private Optional<Map<String, Object>> customAttributes = Optional.empty();
+        /**
+         * <p>The version of the browser which the contact is using.</p>
+         */
+        _FinalStage browserVersion(Optional<String> browserVersion);
 
-        private Optional<String> avatar = Optional.empty();
+        _FinalStage browserVersion(String browserVersion);
 
-        private Optional<ContactTags> tags = Optional.empty();
+        /**
+         * <p>The language set by the browser which the contact is using.</p>
+         */
+        _FinalStage browserLanguage(Optional<String> browserLanguage);
 
-        private Optional<ContactNotes> notes = Optional.empty();
+        _FinalStage browserLanguage(String browserLanguage);
 
-        private Optional<ContactCompanies> companies = Optional.empty();
+        /**
+         * <p>The operating system which the contact is using.</p>
+         */
+        _FinalStage os(Optional<String> os);
 
-        private Optional<ContactLocation> location = Optional.empty();
+        _FinalStage os(String os);
 
-        private Optional<ContactSocialProfiles> socialProfiles = Optional.empty();
+        /**
+         * <p>The name of the Android app which the contact is using.</p>
+         */
+        _FinalStage androidAppName(Optional<String> androidAppName);
 
-        @JsonAnySetter
-        private Map<String, Object> additionalProperties = new HashMap<>();
+        _FinalStage androidAppName(String androidAppName);
 
-        private Builder() {}
+        /**
+         * <p>The version of the Android app which the contact is using.</p>
+         */
+        _FinalStage androidAppVersion(Optional<String> androidAppVersion);
 
-        public Builder from(Contact other) {
-            type(other.getType());
-            id(other.getId());
-            externalId(other.getExternalId());
-            workspaceId(other.getWorkspaceId());
-            role(other.getRole());
-            email(other.getEmail());
-            emailDomain(other.getEmailDomain());
-            phone(other.getPhone());
-            name(other.getName());
-            ownerId(other.getOwnerId());
-            hasHardBounced(other.getHasHardBounced());
-            markedEmailAsSpam(other.getMarkedEmailAsSpam());
-            unsubscribedFromEmails(other.getUnsubscribedFromEmails());
-            createdAt(other.getCreatedAt());
-            updatedAt(other.getUpdatedAt());
-            signedUpAt(other.getSignedUpAt());
-            lastSeenAt(other.getLastSeenAt());
-            lastRepliedAt(other.getLastRepliedAt());
-            lastContactedAt(other.getLastContactedAt());
-            lastEmailOpenedAt(other.getLastEmailOpenedAt());
-            lastEmailClickedAt(other.getLastEmailClickedAt());
-            languageOverride(other.getLanguageOverride());
-            browser(other.getBrowser());
-            browserVersion(other.getBrowserVersion());
-            browserLanguage(other.getBrowserLanguage());
-            os(other.getOs());
-            androidAppName(other.getAndroidAppName());
-            androidAppVersion(other.getAndroidAppVersion());
-            androidDevice(other.getAndroidDevice());
-            androidOsVersion(other.getAndroidOsVersion());
-            androidSdkVersion(other.getAndroidSdkVersion());
-            androidLastSeenAt(other.getAndroidLastSeenAt());
-            iosAppName(other.getIosAppName());
-            iosAppVersion(other.getIosAppVersion());
-            iosDevice(other.getIosDevice());
-            iosOsVersion(other.getIosOsVersion());
-            iosSdkVersion(other.getIosSdkVersion());
-            iosLastSeenAt(other.getIosLastSeenAt());
-            customAttributes(other.getCustomAttributes());
-            avatar(other.getAvatar());
-            tags(other.getTags());
-            notes(other.getNotes());
-            companies(other.getCompanies());
-            location(other.getLocation());
-            socialProfiles(other.getSocialProfiles());
-            return this;
-        }
+        _FinalStage androidAppVersion(String androidAppVersion);
 
         /**
-         * <p>The type of object.</p>
+         * <p>The Android device which the contact is using.</p>
          */
-        @JsonSetter(value = "type", nulls = Nulls.SKIP)
-        public Builder type(Optional<String> type) {
-            this.type = type;
-            return this;
-        }
+        _FinalStage androidDevice(Optional<String> androidDevice);
 
-        public Builder type(String type) {
-            this.type = Optional.ofNullable(type);
-            return this;
-        }
+        _FinalStage androidDevice(String androidDevice);
 
         /**
-         * <p>The unique identifier for the contact which is given by Intercom.</p>
+         * <p>The version of the Android OS which the contact is using.</p>
          */
-        @JsonSetter(value = "id", nulls = Nulls.SKIP)
-        public Builder id(Optional<String> id) {
-            this.id = id;
-            return this;
-        }
+        _FinalStage androidOsVersion(Optional<String> androidOsVersion);
 
-        public Builder id(String id) {
-            this.id = Optional.ofNullable(id);
-            return this;
-        }
+        _FinalStage androidOsVersion(String androidOsVersion);
 
         /**
-         * <p>The unique identifier for the contact which is provided by the Client.</p>
+         * <p>The version of the Android SDK which the contact is using.</p>
          */
-        @JsonSetter(value = "external_id", nulls = Nulls.SKIP)
-        public Builder externalId(Optional<String> externalId) {
-            this.externalId = externalId;
-            return this;
-        }
+        _FinalStage androidSdkVersion(Optional<String> androidSdkVersion);
 
-        public Builder externalId(String externalId) {
-            this.externalId = Optional.ofNullable(externalId);
-            return this;
-        }
+        _FinalStage androidSdkVersion(String androidSdkVersion);
 
         /**
-         * <p>The id of the workspace which the contact belongs to.</p>
+         * <p>(UNIX timestamp) The time when the contact was last seen on an Android device.</p>
          */
-        @JsonSetter(value = "workspace_id", nulls = Nulls.SKIP)
-        public Builder workspaceId(Optional<String> workspaceId) {
-            this.workspaceId = workspaceId;
-            return this;
-        }
+        _FinalStage androidLastSeenAt(Optional<Integer> androidLastSeenAt);
 
-        public Builder workspaceId(String workspaceId) {
-            this.workspaceId = Optional.ofNullable(workspaceId);
-            return this;
-        }
+        _FinalStage androidLastSeenAt(Integer androidLastSeenAt);
 
         /**
-         * <p>The role of the contact.</p>
+         * <p>The name of the iOS app which the contact is using.</p>
          */
-        @JsonSetter(value = "role", nulls = Nulls.SKIP)
-        public Builder role(Optional<String> role) {
-            this.role = role;
-            return this;
-        }
+        _FinalStage iosAppName(Optional<String> iosAppName);
 
-        public Builder role(String role) {
-            this.role = Optional.ofNullable(role);
-            return this;
-        }
+        _FinalStage iosAppName(String iosAppName);
 
         /**
-         * <p>The contact's email.</p>
+         * <p>The version of the iOS app which the contact is using.</p>
          */
-        @JsonSetter(value = "email", nulls = Nulls.SKIP)
-        public Builder email(Optional<String> email) {
-            this.email = email;
-            return this;
-        }
+        _FinalStage iosAppVersion(Optional<String> iosAppVersion);
 
-        public Builder email(String email) {
-            this.email = Optional.ofNullable(email);
-            return this;
-        }
+        _FinalStage iosAppVersion(String iosAppVersion);
 
         /**
-         * <p>The contact's email domain.</p>
+         * <p>The iOS device which the contact is using.</p>
          */
-        @JsonSetter(value = "email_domain", nulls = Nulls.SKIP)
-        public Builder emailDomain(Optional<String> emailDomain) {
-            this.emailDomain = emailDomain;
-            return this;
-        }
+        _FinalStage iosDevice(Optional<String> iosDevice);
 
-        public Builder emailDomain(String emailDomain) {
-            this.emailDomain = Optional.ofNullable(emailDomain);
-            return this;
-        }
+        _FinalStage iosDevice(String iosDevice);
 
         /**
-         * <p>The contacts phone.</p>
+         * <p>The version of iOS which the contact is using.</p>
          */
-        @JsonSetter(value = "phone", nulls = Nulls.SKIP)
-        public Builder phone(Optional<String> phone) {
-            this.phone = phone;
-            return this;
-        }
+        _FinalStage iosOsVersion(Optional<String> iosOsVersion);
 
-        public Builder phone(String phone) {
-            this.phone = Optional.ofNullable(phone);
-            return this;
-        }
+        _FinalStage iosOsVersion(String iosOsVersion);
 
         /**
-         * <p>The contacts name.</p>
+         * <p>The version of the iOS SDK which the contact is using.</p>
          */
-        @JsonSetter(value = "name", nulls = Nulls.SKIP)
-        public Builder name(Optional<String> name) {
-            this.name = name;
-            return this;
-        }
+        _FinalStage iosSdkVersion(Optional<String> iosSdkVersion);
 
-        public Builder name(String name) {
-            this.name = Optional.ofNullable(name);
-            return this;
-        }
+        _FinalStage iosSdkVersion(String iosSdkVersion);
 
         /**
-         * <p>The id of an admin that has been assigned account ownership of the contact.</p>
+         * <p>(UNIX timestamp) The last time the contact used the iOS app.</p>
          */
-        @JsonSetter(value = "owner_id", nulls = Nulls.SKIP)
-        public Builder ownerId(Optional<Integer> ownerId) {
-            this.ownerId = ownerId;
-            return this;
-        }
+        _FinalStage iosLastSeenAt(Optional<Integer> iosLastSeenAt);
 
-        public Builder ownerId(Integer ownerId) {
-            this.ownerId = Optional.ofNullable(ownerId);
-            return this;
-        }
+        _FinalStage iosLastSeenAt(Integer iosLastSeenAt);
 
         /**
-         * <p>Whether the contact has had an email sent to them hard bounce.</p>
+         * <p>The custom attributes which are set for the contact.</p>
          */
-        @JsonSetter(value = "has_hard_bounced", nulls = Nulls.SKIP)
-        public Builder hasHardBounced(Optional<Boolean> hasHardBounced) {
-            this.hasHardBounced = hasHardBounced;
+        _FinalStage customAttributes(Optional<Map<String, Object>> customAttributes);
+
+        _FinalStage customAttributes(Map<String, Object> customAttributes);
+
+        /**
+         * <p>An image URL containing the avatar of a contact.</p>
+         */
+        _FinalStage avatar(Optional<String> avatar);
+
+        _FinalStage avatar(String avatar);
+
+        _FinalStage tags(Optional<ContactTags> tags);
+
+        _FinalStage tags(ContactTags tags);
+
+        _FinalStage notes(Optional<ContactNotes> notes);
+
+        _FinalStage notes(ContactNotes notes);
+
+        _FinalStage companies(Optional<ContactCompanies> companies);
+
+        _FinalStage companies(ContactCompanies companies);
+
+        _FinalStage location(Optional<ContactLocation> location);
+
+        _FinalStage location(ContactLocation location);
+
+        _FinalStage socialProfiles(Optional<ContactSocialProfiles> socialProfiles);
+
+        _FinalStage socialProfiles(ContactSocialProfiles socialProfiles);
+    }
+
+    @JsonIgnoreProperties(ignoreUnknown = true)
+    public static final class Builder
+            implements IdStage,
+                    WorkspaceIdStage,
+                    RoleStage,
+                    HasHardBouncedStage,
+                    MarkedEmailAsSpamStage,
+                    UnsubscribedFromEmailsStage,
+                    CreatedAtStage,
+                    UpdatedAtStage,
+                    _FinalStage {
+        private String id;
+
+        private String workspaceId;
+
+        private String role;
+
+        private boolean hasHardBounced;
+
+        private boolean markedEmailAsSpam;
+
+        private boolean unsubscribedFromEmails;
+
+        private int createdAt;
+
+        private int updatedAt;
+
+        private Optional<ContactSocialProfiles> socialProfiles = Optional.empty();
+
+        private Optional<ContactLocation> location = Optional.empty();
+
+        private Optional<ContactCompanies> companies = Optional.empty();
+
+        private Optional<ContactNotes> notes = Optional.empty();
+
+        private Optional<ContactTags> tags = Optional.empty();
+
+        private Optional<String> avatar = Optional.empty();
+
+        private Optional<Map<String, Object>> customAttributes = Optional.empty();
+
+        private Optional<Integer> iosLastSeenAt = Optional.empty();
+
+        private Optional<String> iosSdkVersion = Optional.empty();
+
+        private Optional<String> iosOsVersion = Optional.empty();
+
+        private Optional<String> iosDevice = Optional.empty();
+
+        private Optional<String> iosAppVersion = Optional.empty();
+
+        private Optional<String> iosAppName = Optional.empty();
+
+        private Optional<Integer> androidLastSeenAt = Optional.empty();
+
+        private Optional<String> androidSdkVersion = Optional.empty();
+
+        private Optional<String> androidOsVersion = Optional.empty();
+
+        private Optional<String> androidDevice = Optional.empty();
+
+        private Optional<String> androidAppVersion = Optional.empty();
+
+        private Optional<String> androidAppName = Optional.empty();
+
+        private Optional<String> os = Optional.empty();
+
+        private Optional<String> browserLanguage = Optional.empty();
+
+        private Optional<String> browserVersion = Optional.empty();
+
+        private Optional<String> browser = Optional.empty();
+
+        private Optional<String> languageOverride = Optional.empty();
+
+        private Optional<Integer> lastEmailClickedAt = Optional.empty();
+
+        private Optional<Integer> lastEmailOpenedAt = Optional.empty();
+
+        private Optional<Integer> lastContactedAt = Optional.empty();
+
+        private Optional<Integer> lastRepliedAt = Optional.empty();
+
+        private Optional<Integer> lastSeenAt = Optional.empty();
+
+        private Optional<Integer> signedUpAt = Optional.empty();
+
+        private Optional<Integer> ownerId = Optional.empty();
+
+        private Optional<String> name = Optional.empty();
+
+        private Optional<String> phone = Optional.empty();
+
+        private Optional<String> emailDomain = Optional.empty();
+
+        private Optional<String> email = Optional.empty();
+
+        private Optional<String> externalId = Optional.empty();
+
+        @JsonAnySetter
+        private Map<String, Object> additionalProperties = new HashMap<>();
+
+        private Builder() {}
+
+        @java.lang.Override
+        public Builder from(Contact other) {
+            id(other.getId());
+            externalId(other.getExternalId());
+            workspaceId(other.getWorkspaceId());
+            role(other.getRole());
+            email(other.getEmail());
+            emailDomain(other.getEmailDomain());
+            phone(other.getPhone());
+            name(other.getName());
+            ownerId(other.getOwnerId());
+            hasHardBounced(other.getHasHardBounced());
+            markedEmailAsSpam(other.getMarkedEmailAsSpam());
+            unsubscribedFromEmails(other.getUnsubscribedFromEmails());
+            createdAt(other.getCreatedAt());
+            updatedAt(other.getUpdatedAt());
+            signedUpAt(other.getSignedUpAt());
+            lastSeenAt(other.getLastSeenAt());
+            lastRepliedAt(other.getLastRepliedAt());
+            lastContactedAt(other.getLastContactedAt());
+            lastEmailOpenedAt(other.getLastEmailOpenedAt());
+            lastEmailClickedAt(other.getLastEmailClickedAt());
+            languageOverride(other.getLanguageOverride());
+            browser(other.getBrowser());
+            browserVersion(other.getBrowserVersion());
+            browserLanguage(other.getBrowserLanguage());
+            os(other.getOs());
+            androidAppName(other.getAndroidAppName());
+            androidAppVersion(other.getAndroidAppVersion());
+            androidDevice(other.getAndroidDevice());
+            androidOsVersion(other.getAndroidOsVersion());
+            androidSdkVersion(other.getAndroidSdkVersion());
+            androidLastSeenAt(other.getAndroidLastSeenAt());
+            iosAppName(other.getIosAppName());
+            iosAppVersion(other.getIosAppVersion());
+            iosDevice(other.getIosDevice());
+            iosOsVersion(other.getIosOsVersion());
+            iosSdkVersion(other.getIosSdkVersion());
+            iosLastSeenAt(other.getIosLastSeenAt());
+            customAttributes(other.getCustomAttributes());
+            avatar(other.getAvatar());
+            tags(other.getTags());
+            notes(other.getNotes());
+            companies(other.getCompanies());
+            location(other.getLocation());
+            socialProfiles(other.getSocialProfiles());
             return this;
         }
 
-        public Builder hasHardBounced(Boolean hasHardBounced) {
-            this.hasHardBounced = Optional.ofNullable(hasHardBounced);
+        /**
+         * <p>The unique identifier for the contact which is given by Intercom.</p>
+         * <p>The unique identifier for the contact which is given by Intercom.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
+         */
+        @java.lang.Override
+        @JsonSetter("id")
+        public WorkspaceIdStage id(@NotNull String id) {
+            this.id = Objects.requireNonNull(id, "id must not be null");
             return this;
         }
 
         /**
-         * <p>Whether the contact has marked an email sent to them as spam.</p>
+         * <p>The id of the workspace which the contact belongs to.</p>
+         * <p>The id of the workspace which the contact belongs to.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "marked_email_as_spam", nulls = Nulls.SKIP)
-        public Builder markedEmailAsSpam(Optional<Boolean> markedEmailAsSpam) {
-            this.markedEmailAsSpam = markedEmailAsSpam;
+        @java.lang.Override
+        @JsonSetter("workspace_id")
+        public RoleStage workspaceId(@NotNull String workspaceId) {
+            this.workspaceId = Objects.requireNonNull(workspaceId, "workspaceId must not be null");
             return this;
         }
 
-        public Builder markedEmailAsSpam(Boolean markedEmailAsSpam) {
-            this.markedEmailAsSpam = Optional.ofNullable(markedEmailAsSpam);
+        /**
+         * <p>The role of the contact.</p>
+         * <p>The role of the contact.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
+         */
+        @java.lang.Override
+        @JsonSetter("role")
+        public HasHardBouncedStage role(@NotNull String role) {
+            this.role = Objects.requireNonNull(role, "role must not be null");
             return this;
         }
 
         /**
-         * <p>Whether the contact is unsubscribed from emails.</p>
+         * <p>Whether the contact has had an email sent to them hard bounce.</p>
+         * <p>Whether the contact has had an email sent to them hard bounce.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "unsubscribed_from_emails", nulls = Nulls.SKIP)
-        public Builder unsubscribedFromEmails(Optional<Boolean> unsubscribedFromEmails) {
-            this.unsubscribedFromEmails = unsubscribedFromEmails;
+        @java.lang.Override
+        @JsonSetter("has_hard_bounced")
+        public MarkedEmailAsSpamStage hasHardBounced(boolean hasHardBounced) {
+            this.hasHardBounced = hasHardBounced;
             return this;
         }
 
-        public Builder unsubscribedFromEmails(Boolean unsubscribedFromEmails) {
-            this.unsubscribedFromEmails = Optional.ofNullable(unsubscribedFromEmails);
+        /**
+         * <p>Whether the contact has marked an email sent to them as spam.</p>
+         * <p>Whether the contact has marked an email sent to them as spam.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
+         */
+        @java.lang.Override
+        @JsonSetter("marked_email_as_spam")
+        public UnsubscribedFromEmailsStage markedEmailAsSpam(boolean markedEmailAsSpam) {
+            this.markedEmailAsSpam = markedEmailAsSpam;
             return this;
         }
 
         /**
-         * <p>(UNIX timestamp) The time when the contact was created.</p>
+         * <p>Whether the contact is unsubscribed from emails.</p>
+         * <p>Whether the contact is unsubscribed from emails.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "created_at", nulls = Nulls.SKIP)
-        public Builder createdAt(Optional<Integer> createdAt) {
-            this.createdAt = createdAt;
+        @java.lang.Override
+        @JsonSetter("unsubscribed_from_emails")
+        public CreatedAtStage unsubscribedFromEmails(boolean unsubscribedFromEmails) {
+            this.unsubscribedFromEmails = unsubscribedFromEmails;
             return this;
         }
 
-        public Builder createdAt(Integer createdAt) {
-            this.createdAt = Optional.ofNullable(createdAt);
+        /**
+         * <p>(UNIX timestamp) The time when the contact was created.</p>
+         * <p>(UNIX timestamp) The time when the contact was created.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
+         */
+        @java.lang.Override
+        @JsonSetter("created_at")
+        public UpdatedAtStage createdAt(int createdAt) {
+            this.createdAt = createdAt;
             return this;
         }
 
         /**
          * <p>(UNIX timestamp) The time when the contact was last updated.</p>
+         * <p>(UNIX timestamp) The time when the contact was last updated.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "updated_at", nulls = Nulls.SKIP)
-        public Builder updatedAt(Optional<Integer> updatedAt) {
+        @java.lang.Override
+        @JsonSetter("updated_at")
+        public _FinalStage updatedAt(int updatedAt) {
             this.updatedAt = updatedAt;
             return this;
         }
 
-        public Builder updatedAt(Integer updatedAt) {
-            this.updatedAt = Optional.ofNullable(updatedAt);
+        @java.lang.Override
+        public _FinalStage socialProfiles(ContactSocialProfiles socialProfiles) {
+            this.socialProfiles = Optional.ofNullable(socialProfiles);
+            return this;
+        }
+
+        @java.lang.Override
+        @JsonSetter(value = "social_profiles", nulls = Nulls.SKIP)
+        public _FinalStage socialProfiles(Optional<ContactSocialProfiles> socialProfiles) {
+            this.socialProfiles = socialProfiles;
+            return this;
+        }
+
+        @java.lang.Override
+        public _FinalStage location(ContactLocation location) {
+            this.location = Optional.ofNullable(location);
+            return this;
+        }
+
+        @java.lang.Override
+        @JsonSetter(value = "location", nulls = Nulls.SKIP)
+        public _FinalStage location(Optional<ContactLocation> location) {
+            this.location = location;
+            return this;
+        }
+
+        @java.lang.Override
+        public _FinalStage companies(ContactCompanies companies) {
+            this.companies = Optional.ofNullable(companies);
+            return this;
+        }
+
+        @java.lang.Override
+        @JsonSetter(value = "companies", nulls = Nulls.SKIP)
+        public _FinalStage companies(Optional<ContactCompanies> companies) {
+            this.companies = companies;
+            return this;
+        }
+
+        @java.lang.Override
+        public _FinalStage notes(ContactNotes notes) {
+            this.notes = Optional.ofNullable(notes);
+            return this;
+        }
+
+        @java.lang.Override
+        @JsonSetter(value = "notes", nulls = Nulls.SKIP)
+        public _FinalStage notes(Optional<ContactNotes> notes) {
+            this.notes = notes;
+            return this;
+        }
+
+        @java.lang.Override
+        public _FinalStage tags(ContactTags tags) {
+            this.tags = Optional.ofNullable(tags);
+            return this;
+        }
+
+        @java.lang.Override
+        @JsonSetter(value = "tags", nulls = Nulls.SKIP)
+        public _FinalStage tags(Optional<ContactTags> tags) {
+            this.tags = tags;
             return this;
         }
 
         /**
-         * <p>(UNIX timestamp) The time specified for when a contact signed up.</p>
+         * <p>An image URL containing the avatar of a contact.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "signed_up_at", nulls = Nulls.SKIP)
-        public Builder signedUpAt(Optional<Integer> signedUpAt) {
-            this.signedUpAt = signedUpAt;
+        @java.lang.Override
+        public _FinalStage avatar(String avatar) {
+            this.avatar = Optional.ofNullable(avatar);
             return this;
         }
 
-        public Builder signedUpAt(Integer signedUpAt) {
-            this.signedUpAt = Optional.ofNullable(signedUpAt);
+        /**
+         * <p>An image URL containing the avatar of a contact.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "avatar", nulls = Nulls.SKIP)
+        public _FinalStage avatar(Optional<String> avatar) {
+            this.avatar = avatar;
             return this;
         }
 
         /**
-         * <p>(UNIX timestamp) The time when the contact was last seen (either where the Intercom Messenger was installed or when specified manually).</p>
+         * <p>The custom attributes which are set for the contact.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "last_seen_at", nulls = Nulls.SKIP)
-        public Builder lastSeenAt(Optional<Integer> lastSeenAt) {
-            this.lastSeenAt = lastSeenAt;
+        @java.lang.Override
+        public _FinalStage customAttributes(Map<String, Object> customAttributes) {
+            this.customAttributes = Optional.ofNullable(customAttributes);
             return this;
         }
 
-        public Builder lastSeenAt(Integer lastSeenAt) {
-            this.lastSeenAt = Optional.ofNullable(lastSeenAt);
+        /**
+         * <p>The custom attributes which are set for the contact.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "custom_attributes", nulls = Nulls.SKIP)
+        public _FinalStage customAttributes(Optional<Map<String, Object>> customAttributes) {
+            this.customAttributes = customAttributes;
             return this;
         }
 
         /**
-         * <p>(UNIX timestamp) The time when the contact last messaged in.</p>
+         * <p>(UNIX timestamp) The last time the contact used the iOS app.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "last_replied_at", nulls = Nulls.SKIP)
-        public Builder lastRepliedAt(Optional<Integer> lastRepliedAt) {
-            this.lastRepliedAt = lastRepliedAt;
+        @java.lang.Override
+        public _FinalStage iosLastSeenAt(Integer iosLastSeenAt) {
+            this.iosLastSeenAt = Optional.ofNullable(iosLastSeenAt);
             return this;
         }
 
-        public Builder lastRepliedAt(Integer lastRepliedAt) {
-            this.lastRepliedAt = Optional.ofNullable(lastRepliedAt);
+        /**
+         * <p>(UNIX timestamp) The last time the contact used the iOS app.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "ios_last_seen_at", nulls = Nulls.SKIP)
+        public _FinalStage iosLastSeenAt(Optional<Integer> iosLastSeenAt) {
+            this.iosLastSeenAt = iosLastSeenAt;
             return this;
         }
 
         /**
-         * <p>(UNIX timestamp) The time when the contact was last messaged.</p>
+         * <p>The version of the iOS SDK which the contact is using.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "last_contacted_at", nulls = Nulls.SKIP)
-        public Builder lastContactedAt(Optional<Integer> lastContactedAt) {
-            this.lastContactedAt = lastContactedAt;
+        @java.lang.Override
+        public _FinalStage iosSdkVersion(String iosSdkVersion) {
+            this.iosSdkVersion = Optional.ofNullable(iosSdkVersion);
             return this;
         }
 
-        public Builder lastContactedAt(Integer lastContactedAt) {
-            this.lastContactedAt = Optional.ofNullable(lastContactedAt);
+        /**
+         * <p>The version of the iOS SDK which the contact is using.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "ios_sdk_version", nulls = Nulls.SKIP)
+        public _FinalStage iosSdkVersion(Optional<String> iosSdkVersion) {
+            this.iosSdkVersion = iosSdkVersion;
             return this;
         }
 
         /**
-         * <p>(UNIX timestamp) The time when the contact last opened an email.</p>
+         * <p>The version of iOS which the contact is using.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "last_email_opened_at", nulls = Nulls.SKIP)
-        public Builder lastEmailOpenedAt(Optional<Integer> lastEmailOpenedAt) {
-            this.lastEmailOpenedAt = lastEmailOpenedAt;
+        @java.lang.Override
+        public _FinalStage iosOsVersion(String iosOsVersion) {
+            this.iosOsVersion = Optional.ofNullable(iosOsVersion);
             return this;
         }
 
-        public Builder lastEmailOpenedAt(Integer lastEmailOpenedAt) {
-            this.lastEmailOpenedAt = Optional.ofNullable(lastEmailOpenedAt);
+        /**
+         * <p>The version of iOS which the contact is using.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "ios_os_version", nulls = Nulls.SKIP)
+        public _FinalStage iosOsVersion(Optional<String> iosOsVersion) {
+            this.iosOsVersion = iosOsVersion;
             return this;
         }
 
         /**
-         * <p>(UNIX timestamp) The time when the contact last clicked a link in an email.</p>
+         * <p>The iOS device which the contact is using.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "last_email_clicked_at", nulls = Nulls.SKIP)
-        public Builder lastEmailClickedAt(Optional<Integer> lastEmailClickedAt) {
-            this.lastEmailClickedAt = lastEmailClickedAt;
+        @java.lang.Override
+        public _FinalStage iosDevice(String iosDevice) {
+            this.iosDevice = Optional.ofNullable(iosDevice);
             return this;
         }
 
-        public Builder lastEmailClickedAt(Integer lastEmailClickedAt) {
-            this.lastEmailClickedAt = Optional.ofNullable(lastEmailClickedAt);
+        /**
+         * <p>The iOS device which the contact is using.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "ios_device", nulls = Nulls.SKIP)
+        public _FinalStage iosDevice(Optional<String> iosDevice) {
+            this.iosDevice = iosDevice;
             return this;
         }
 
         /**
-         * <p>A preferred language setting for the contact, used by the Intercom Messenger even if their browser settings change.</p>
+         * <p>The version of the iOS app which the contact is using.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "language_override", nulls = Nulls.SKIP)
-        public Builder languageOverride(Optional<String> languageOverride) {
-            this.languageOverride = languageOverride;
+        @java.lang.Override
+        public _FinalStage iosAppVersion(String iosAppVersion) {
+            this.iosAppVersion = Optional.ofNullable(iosAppVersion);
             return this;
         }
 
-        public Builder languageOverride(String languageOverride) {
-            this.languageOverride = Optional.ofNullable(languageOverride);
+        /**
+         * <p>The version of the iOS app which the contact is using.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "ios_app_version", nulls = Nulls.SKIP)
+        public _FinalStage iosAppVersion(Optional<String> iosAppVersion) {
+            this.iosAppVersion = iosAppVersion;
             return this;
         }
 
         /**
-         * <p>The name of the browser which the contact is using.</p>
+         * <p>The name of the iOS app which the contact is using.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "browser", nulls = Nulls.SKIP)
-        public Builder browser(Optional<String> browser) {
-            this.browser = browser;
+        @java.lang.Override
+        public _FinalStage iosAppName(String iosAppName) {
+            this.iosAppName = Optional.ofNullable(iosAppName);
+            return this;
+        }
+
+        /**
+         * <p>The name of the iOS app which the contact is using.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "ios_app_name", nulls = Nulls.SKIP)
+        public _FinalStage iosAppName(Optional<String> iosAppName) {
+            this.iosAppName = iosAppName;
             return this;
         }
 
-        public Builder browser(String browser) {
-            this.browser = Optional.ofNullable(browser);
+        /**
+         * <p>(UNIX timestamp) The time when the contact was last seen on an Android device.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
+         */
+        @java.lang.Override
+        public _FinalStage androidLastSeenAt(Integer androidLastSeenAt) {
+            this.androidLastSeenAt = Optional.ofNullable(androidLastSeenAt);
             return this;
         }
 
         /**
-         * <p>The version of the browser which the contact is using.</p>
+         * <p>(UNIX timestamp) The time when the contact was last seen on an Android device.</p>
          */
-        @JsonSetter(value = "browser_version", nulls = Nulls.SKIP)
-        public Builder browserVersion(Optional<String> browserVersion) {
-            this.browserVersion = browserVersion;
+        @java.lang.Override
+        @JsonSetter(value = "android_last_seen_at", nulls = Nulls.SKIP)
+        public _FinalStage androidLastSeenAt(Optional<Integer> androidLastSeenAt) {
+            this.androidLastSeenAt = androidLastSeenAt;
             return this;
         }
 
-        public Builder browserVersion(String browserVersion) {
-            this.browserVersion = Optional.ofNullable(browserVersion);
+        /**
+         * <p>The version of the Android SDK which the contact is using.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
+         */
+        @java.lang.Override
+        public _FinalStage androidSdkVersion(String androidSdkVersion) {
+            this.androidSdkVersion = Optional.ofNullable(androidSdkVersion);
             return this;
         }
 
         /**
-         * <p>The language set by the browser which the contact is using.</p>
+         * <p>The version of the Android SDK which the contact is using.</p>
          */
-        @JsonSetter(value = "browser_language", nulls = Nulls.SKIP)
-        public Builder browserLanguage(Optional<String> browserLanguage) {
-            this.browserLanguage = browserLanguage;
+        @java.lang.Override
+        @JsonSetter(value = "android_sdk_version", nulls = Nulls.SKIP)
+        public _FinalStage androidSdkVersion(Optional<String> androidSdkVersion) {
+            this.androidSdkVersion = androidSdkVersion;
             return this;
         }
 
-        public Builder browserLanguage(String browserLanguage) {
-            this.browserLanguage = Optional.ofNullable(browserLanguage);
+        /**
+         * <p>The version of the Android OS which the contact is using.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
+         */
+        @java.lang.Override
+        public _FinalStage androidOsVersion(String androidOsVersion) {
+            this.androidOsVersion = Optional.ofNullable(androidOsVersion);
             return this;
         }
 
         /**
-         * <p>The operating system which the contact is using.</p>
+         * <p>The version of the Android OS which the contact is using.</p>
          */
-        @JsonSetter(value = "os", nulls = Nulls.SKIP)
-        public Builder os(Optional<String> os) {
-            this.os = os;
+        @java.lang.Override
+        @JsonSetter(value = "android_os_version", nulls = Nulls.SKIP)
+        public _FinalStage androidOsVersion(Optional<String> androidOsVersion) {
+            this.androidOsVersion = androidOsVersion;
             return this;
         }
 
-        public Builder os(String os) {
-            this.os = Optional.ofNullable(os);
+        /**
+         * <p>The Android device which the contact is using.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
+         */
+        @java.lang.Override
+        public _FinalStage androidDevice(String androidDevice) {
+            this.androidDevice = Optional.ofNullable(androidDevice);
             return this;
         }
 
         /**
-         * <p>The name of the Android app which the contact is using.</p>
+         * <p>The Android device which the contact is using.</p>
          */
-        @JsonSetter(value = "android_app_name", nulls = Nulls.SKIP)
-        public Builder androidAppName(Optional<String> androidAppName) {
-            this.androidAppName = androidAppName;
+        @java.lang.Override
+        @JsonSetter(value = "android_device", nulls = Nulls.SKIP)
+        public _FinalStage androidDevice(Optional<String> androidDevice) {
+            this.androidDevice = androidDevice;
             return this;
         }
 
-        public Builder androidAppName(String androidAppName) {
-            this.androidAppName = Optional.ofNullable(androidAppName);
+        /**
+         * <p>The version of the Android app which the contact is using.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
+         */
+        @java.lang.Override
+        public _FinalStage androidAppVersion(String androidAppVersion) {
+            this.androidAppVersion = Optional.ofNullable(androidAppVersion);
             return this;
         }
 
         /**
          * <p>The version of the Android app which the contact is using.</p>
          */
+        @java.lang.Override
         @JsonSetter(value = "android_app_version", nulls = Nulls.SKIP)
-        public Builder androidAppVersion(Optional<String> androidAppVersion) {
+        public _FinalStage androidAppVersion(Optional<String> androidAppVersion) {
             this.androidAppVersion = androidAppVersion;
             return this;
         }
 
-        public Builder androidAppVersion(String androidAppVersion) {
-            this.androidAppVersion = Optional.ofNullable(androidAppVersion);
+        /**
+         * <p>The name of the Android app which the contact is using.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
+         */
+        @java.lang.Override
+        public _FinalStage androidAppName(String androidAppName) {
+            this.androidAppName = Optional.ofNullable(androidAppName);
             return this;
         }
 
         /**
-         * <p>The Android device which the contact is using.</p>
+         * <p>The name of the Android app which the contact is using.</p>
          */
-        @JsonSetter(value = "android_device", nulls = Nulls.SKIP)
-        public Builder androidDevice(Optional<String> androidDevice) {
-            this.androidDevice = androidDevice;
+        @java.lang.Override
+        @JsonSetter(value = "android_app_name", nulls = Nulls.SKIP)
+        public _FinalStage androidAppName(Optional<String> androidAppName) {
+            this.androidAppName = androidAppName;
             return this;
         }
 
-        public Builder androidDevice(String androidDevice) {
-            this.androidDevice = Optional.ofNullable(androidDevice);
+        /**
+         * <p>The operating system which the contact is using.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
+         */
+        @java.lang.Override
+        public _FinalStage os(String os) {
+            this.os = Optional.ofNullable(os);
             return this;
         }
 
         /**
-         * <p>The version of the Android OS which the contact is using.</p>
+         * <p>The operating system which the contact is using.</p>
          */
-        @JsonSetter(value = "android_os_version", nulls = Nulls.SKIP)
-        public Builder androidOsVersion(Optional<String> androidOsVersion) {
-            this.androidOsVersion = androidOsVersion;
+        @java.lang.Override
+        @JsonSetter(value = "os", nulls = Nulls.SKIP)
+        public _FinalStage os(Optional<String> os) {
+            this.os = os;
             return this;
         }
 
-        public Builder androidOsVersion(String androidOsVersion) {
-            this.androidOsVersion = Optional.ofNullable(androidOsVersion);
+        /**
+         * <p>The language set by the browser which the contact is using.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
+         */
+        @java.lang.Override
+        public _FinalStage browserLanguage(String browserLanguage) {
+            this.browserLanguage = Optional.ofNullable(browserLanguage);
             return this;
         }
 
         /**
-         * <p>The version of the Android SDK which the contact is using.</p>
+         * <p>The language set by the browser which the contact is using.</p>
          */
-        @JsonSetter(value = "android_sdk_version", nulls = Nulls.SKIP)
-        public Builder androidSdkVersion(Optional<String> androidSdkVersion) {
-            this.androidSdkVersion = androidSdkVersion;
+        @java.lang.Override
+        @JsonSetter(value = "browser_language", nulls = Nulls.SKIP)
+        public _FinalStage browserLanguage(Optional<String> browserLanguage) {
+            this.browserLanguage = browserLanguage;
             return this;
         }
 
-        public Builder androidSdkVersion(String androidSdkVersion) {
-            this.androidSdkVersion = Optional.ofNullable(androidSdkVersion);
+        /**
+         * <p>The version of the browser which the contact is using.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
+         */
+        @java.lang.Override
+        public _FinalStage browserVersion(String browserVersion) {
+            this.browserVersion = Optional.ofNullable(browserVersion);
             return this;
         }
 
         /**
-         * <p>(UNIX timestamp) The time when the contact was last seen on an Android device.</p>
+         * <p>The version of the browser which the contact is using.</p>
          */
-        @JsonSetter(value = "android_last_seen_at", nulls = Nulls.SKIP)
-        public Builder androidLastSeenAt(Optional<Integer> androidLastSeenAt) {
-            this.androidLastSeenAt = androidLastSeenAt;
+        @java.lang.Override
+        @JsonSetter(value = "browser_version", nulls = Nulls.SKIP)
+        public _FinalStage browserVersion(Optional<String> browserVersion) {
+            this.browserVersion = browserVersion;
             return this;
         }
 
-        public Builder androidLastSeenAt(Integer androidLastSeenAt) {
-            this.androidLastSeenAt = Optional.ofNullable(androidLastSeenAt);
+        /**
+         * <p>The name of the browser which the contact is using.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
+         */
+        @java.lang.Override
+        public _FinalStage browser(String browser) {
+            this.browser = Optional.ofNullable(browser);
             return this;
         }
 
         /**
-         * <p>The name of the iOS app which the contact is using.</p>
+         * <p>The name of the browser which the contact is using.</p>
          */
-        @JsonSetter(value = "ios_app_name", nulls = Nulls.SKIP)
-        public Builder iosAppName(Optional<String> iosAppName) {
-            this.iosAppName = iosAppName;
+        @java.lang.Override
+        @JsonSetter(value = "browser", nulls = Nulls.SKIP)
+        public _FinalStage browser(Optional<String> browser) {
+            this.browser = browser;
             return this;
         }
 
-        public Builder iosAppName(String iosAppName) {
-            this.iosAppName = Optional.ofNullable(iosAppName);
+        /**
+         * <p>A preferred language setting for the contact, used by the Intercom Messenger even if their browser settings change.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
+         */
+        @java.lang.Override
+        public _FinalStage languageOverride(String languageOverride) {
+            this.languageOverride = Optional.ofNullable(languageOverride);
             return this;
         }
 
         /**
-         * <p>The version of the iOS app which the contact is using.</p>
+         * <p>A preferred language setting for the contact, used by the Intercom Messenger even if their browser settings change.</p>
          */
-        @JsonSetter(value = "ios_app_version", nulls = Nulls.SKIP)
-        public Builder iosAppVersion(Optional<String> iosAppVersion) {
-            this.iosAppVersion = iosAppVersion;
+        @java.lang.Override
+        @JsonSetter(value = "language_override", nulls = Nulls.SKIP)
+        public _FinalStage languageOverride(Optional<String> languageOverride) {
+            this.languageOverride = languageOverride;
             return this;
         }
 
-        public Builder iosAppVersion(String iosAppVersion) {
-            this.iosAppVersion = Optional.ofNullable(iosAppVersion);
+        /**
+         * <p>(UNIX timestamp) The time when the contact last clicked a link in an email.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
+         */
+        @java.lang.Override
+        public _FinalStage lastEmailClickedAt(Integer lastEmailClickedAt) {
+            this.lastEmailClickedAt = Optional.ofNullable(lastEmailClickedAt);
             return this;
         }
 
         /**
-         * <p>The iOS device which the contact is using.</p>
+         * <p>(UNIX timestamp) The time when the contact last clicked a link in an email.</p>
          */
-        @JsonSetter(value = "ios_device", nulls = Nulls.SKIP)
-        public Builder iosDevice(Optional<String> iosDevice) {
-            this.iosDevice = iosDevice;
+        @java.lang.Override
+        @JsonSetter(value = "last_email_clicked_at", nulls = Nulls.SKIP)
+        public _FinalStage lastEmailClickedAt(Optional<Integer> lastEmailClickedAt) {
+            this.lastEmailClickedAt = lastEmailClickedAt;
             return this;
         }
 
-        public Builder iosDevice(String iosDevice) {
-            this.iosDevice = Optional.ofNullable(iosDevice);
+        /**
+         * <p>(UNIX timestamp) The time when the contact last opened an email.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
+         */
+        @java.lang.Override
+        public _FinalStage lastEmailOpenedAt(Integer lastEmailOpenedAt) {
+            this.lastEmailOpenedAt = Optional.ofNullable(lastEmailOpenedAt);
             return this;
         }
 
         /**
-         * <p>The version of iOS which the contact is using.</p>
+         * <p>(UNIX timestamp) The time when the contact last opened an email.</p>
          */
-        @JsonSetter(value = "ios_os_version", nulls = Nulls.SKIP)
-        public Builder iosOsVersion(Optional<String> iosOsVersion) {
-            this.iosOsVersion = iosOsVersion;
+        @java.lang.Override
+        @JsonSetter(value = "last_email_opened_at", nulls = Nulls.SKIP)
+        public _FinalStage lastEmailOpenedAt(Optional<Integer> lastEmailOpenedAt) {
+            this.lastEmailOpenedAt = lastEmailOpenedAt;
             return this;
         }
 
-        public Builder iosOsVersion(String iosOsVersion) {
-            this.iosOsVersion = Optional.ofNullable(iosOsVersion);
+        /**
+         * <p>(UNIX timestamp) The time when the contact was last messaged.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
+         */
+        @java.lang.Override
+        public _FinalStage lastContactedAt(Integer lastContactedAt) {
+            this.lastContactedAt = Optional.ofNullable(lastContactedAt);
             return this;
         }
 
         /**
-         * <p>The version of the iOS SDK which the contact is using.</p>
+         * <p>(UNIX timestamp) The time when the contact was last messaged.</p>
          */
-        @JsonSetter(value = "ios_sdk_version", nulls = Nulls.SKIP)
-        public Builder iosSdkVersion(Optional<String> iosSdkVersion) {
-            this.iosSdkVersion = iosSdkVersion;
+        @java.lang.Override
+        @JsonSetter(value = "last_contacted_at", nulls = Nulls.SKIP)
+        public _FinalStage lastContactedAt(Optional<Integer> lastContactedAt) {
+            this.lastContactedAt = lastContactedAt;
             return this;
         }
 
-        public Builder iosSdkVersion(String iosSdkVersion) {
-            this.iosSdkVersion = Optional.ofNullable(iosSdkVersion);
+        /**
+         * <p>(UNIX timestamp) The time when the contact last messaged in.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
+         */
+        @java.lang.Override
+        public _FinalStage lastRepliedAt(Integer lastRepliedAt) {
+            this.lastRepliedAt = Optional.ofNullable(lastRepliedAt);
             return this;
         }
 
         /**
-         * <p>(UNIX timestamp) The last time the contact used the iOS app.</p>
+         * <p>(UNIX timestamp) The time when the contact last messaged in.</p>
          */
-        @JsonSetter(value = "ios_last_seen_at", nulls = Nulls.SKIP)
-        public Builder iosLastSeenAt(Optional<Integer> iosLastSeenAt) {
-            this.iosLastSeenAt = iosLastSeenAt;
+        @java.lang.Override
+        @JsonSetter(value = "last_replied_at", nulls = Nulls.SKIP)
+        public _FinalStage lastRepliedAt(Optional<Integer> lastRepliedAt) {
+            this.lastRepliedAt = lastRepliedAt;
             return this;
         }
 
-        public Builder iosLastSeenAt(Integer iosLastSeenAt) {
-            this.iosLastSeenAt = Optional.ofNullable(iosLastSeenAt);
+        /**
+         * <p>(UNIX timestamp) The time when the contact was last seen (either where the Intercom Messenger was installed or when specified manually).</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
+         */
+        @java.lang.Override
+        public _FinalStage lastSeenAt(Integer lastSeenAt) {
+            this.lastSeenAt = Optional.ofNullable(lastSeenAt);
             return this;
         }
 
         /**
-         * <p>The custom attributes which are set for the contact.</p>
+         * <p>(UNIX timestamp) The time when the contact was last seen (either where the Intercom Messenger was installed or when specified manually).</p>
          */
-        @JsonSetter(value = "custom_attributes", nulls = Nulls.SKIP)
-        public Builder customAttributes(Optional<Map<String, Object>> customAttributes) {
-            this.customAttributes = customAttributes;
+        @java.lang.Override
+        @JsonSetter(value = "last_seen_at", nulls = Nulls.SKIP)
+        public _FinalStage lastSeenAt(Optional<Integer> lastSeenAt) {
+            this.lastSeenAt = lastSeenAt;
             return this;
         }
 
-        public Builder customAttributes(Map<String, Object> customAttributes) {
-            this.customAttributes = Optional.ofNullable(customAttributes);
+        /**
+         * <p>(UNIX timestamp) The time specified for when a contact signed up.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
+         */
+        @java.lang.Override
+        public _FinalStage signedUpAt(Integer signedUpAt) {
+            this.signedUpAt = Optional.ofNullable(signedUpAt);
             return this;
         }
 
         /**
-         * <p>An image URL containing the avatar of a contact.</p>
+         * <p>(UNIX timestamp) The time specified for when a contact signed up.</p>
          */
-        @JsonSetter(value = "avatar", nulls = Nulls.SKIP)
-        public Builder avatar(Optional<String> avatar) {
-            this.avatar = avatar;
+        @java.lang.Override
+        @JsonSetter(value = "signed_up_at", nulls = Nulls.SKIP)
+        public _FinalStage signedUpAt(Optional<Integer> signedUpAt) {
+            this.signedUpAt = signedUpAt;
             return this;
         }
 
-        public Builder avatar(String avatar) {
-            this.avatar = Optional.ofNullable(avatar);
+        /**
+         * <p>The id of an admin that has been assigned account ownership of the contact.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
+         */
+        @java.lang.Override
+        public _FinalStage ownerId(Integer ownerId) {
+            this.ownerId = Optional.ofNullable(ownerId);
             return this;
         }
 
-        @JsonSetter(value = "tags", nulls = Nulls.SKIP)
-        public Builder tags(Optional<ContactTags> tags) {
-            this.tags = tags;
+        /**
+         * <p>The id of an admin that has been assigned account ownership of the contact.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "owner_id", nulls = Nulls.SKIP)
+        public _FinalStage ownerId(Optional<Integer> ownerId) {
+            this.ownerId = ownerId;
             return this;
         }
 
-        public Builder tags(ContactTags tags) {
-            this.tags = Optional.ofNullable(tags);
+        /**
+         * <p>The contacts name.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
+         */
+        @java.lang.Override
+        public _FinalStage name(String name) {
+            this.name = Optional.ofNullable(name);
             return this;
         }
 
-        @JsonSetter(value = "notes", nulls = Nulls.SKIP)
-        public Builder notes(Optional<ContactNotes> notes) {
-            this.notes = notes;
+        /**
+         * <p>The contacts name.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "name", nulls = Nulls.SKIP)
+        public _FinalStage name(Optional<String> name) {
+            this.name = name;
             return this;
         }
 
-        public Builder notes(ContactNotes notes) {
-            this.notes = Optional.ofNullable(notes);
+        /**
+         * <p>The contacts phone.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
+         */
+        @java.lang.Override
+        public _FinalStage phone(String phone) {
+            this.phone = Optional.ofNullable(phone);
             return this;
         }
 
-        @JsonSetter(value = "companies", nulls = Nulls.SKIP)
-        public Builder companies(Optional<ContactCompanies> companies) {
-            this.companies = companies;
+        /**
+         * <p>The contacts phone.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "phone", nulls = Nulls.SKIP)
+        public _FinalStage phone(Optional<String> phone) {
+            this.phone = phone;
             return this;
         }
 
-        public Builder companies(ContactCompanies companies) {
-            this.companies = Optional.ofNullable(companies);
+        /**
+         * <p>The contact's email domain.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
+         */
+        @java.lang.Override
+        public _FinalStage emailDomain(String emailDomain) {
+            this.emailDomain = Optional.ofNullable(emailDomain);
             return this;
         }
 
-        @JsonSetter(value = "location", nulls = Nulls.SKIP)
-        public Builder location(Optional<ContactLocation> location) {
-            this.location = location;
+        /**
+         * <p>The contact's email domain.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "email_domain", nulls = Nulls.SKIP)
+        public _FinalStage emailDomain(Optional<String> emailDomain) {
+            this.emailDomain = emailDomain;
             return this;
         }
 
-        public Builder location(ContactLocation location) {
-            this.location = Optional.ofNullable(location);
+        /**
+         * <p>The contact's email.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
+         */
+        @java.lang.Override
+        public _FinalStage email(String email) {
+            this.email = Optional.ofNullable(email);
             return this;
         }
 
-        @JsonSetter(value = "social_profiles", nulls = Nulls.SKIP)
-        public Builder socialProfiles(Optional<ContactSocialProfiles> socialProfiles) {
-            this.socialProfiles = socialProfiles;
+        /**
+         * <p>The contact's email.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "email", nulls = Nulls.SKIP)
+        public _FinalStage email(Optional<String> email) {
+            this.email = email;
             return this;
         }
 
-        public Builder socialProfiles(ContactSocialProfiles socialProfiles) {
-            this.socialProfiles = Optional.ofNullable(socialProfiles);
+        /**
+         * <p>The unique identifier for the contact which is provided by the Client.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
+         */
+        @java.lang.Override
+        public _FinalStage externalId(String externalId) {
+            this.externalId = Optional.ofNullable(externalId);
+            return this;
+        }
+
+        /**
+         * <p>The unique identifier for the contact which is provided by the Client.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "external_id", nulls = Nulls.SKIP)
+        public _FinalStage externalId(Optional<String> externalId) {
+            this.externalId = externalId;
             return this;
         }
 
+        @java.lang.Override
         public Contact build() {
             return new Contact(
-                    type,
                     id,
                     externalId,
                     workspaceId,
diff --git a/src/main/java/com/intercom/api/resources/contacts/types/ContactsCreateResponse.java b/src/main/java/com/intercom/api/resources/contacts/types/ContactsCreateResponse.java
index 27130d1f..a85fc480 100644
--- a/src/main/java/com/intercom/api/resources/contacts/types/ContactsCreateResponse.java
+++ b/src/main/java/com/intercom/api/resources/contacts/types/ContactsCreateResponse.java
@@ -21,19 +21,18 @@
 import java.util.Map;
 import java.util.Objects;
 import java.util.Optional;
+import org.jetbrains.annotations.NotNull;
 
 @JsonInclude(JsonInclude.Include.NON_ABSENT)
 @JsonDeserialize(builder = ContactsCreateResponse.Builder.class)
 public final class ContactsCreateResponse implements IContact {
-    private final Optional<String> type;
-
-    private final Optional<String> id;
+    private final String id;
 
     private final Optional<String> externalId;
 
-    private final Optional<String> workspaceId;
+    private final String workspaceId;
 
-    private final Optional<String> role;
+    private final String role;
 
     private final Optional<String> email;
 
@@ -45,15 +44,15 @@ public final class ContactsCreateResponse implements IContact {
 
     private final Optional<Integer> ownerId;
 
-    private final Optional<Boolean> hasHardBounced;
+    private final boolean hasHardBounced;
 
-    private final Optional<Boolean> markedEmailAsSpam;
+    private final boolean markedEmailAsSpam;
 
-    private final Optional<Boolean> unsubscribedFromEmails;
+    private final boolean unsubscribedFromEmails;
 
-    private final Optional<Integer> createdAt;
+    private final int createdAt;
 
-    private final Optional<Integer> updatedAt;
+    private final int updatedAt;
 
     private final Optional<Integer> signedUpAt;
 
@@ -120,21 +119,20 @@ public final class ContactsCreateResponse implements IContact {
     private final Map<String, Object> additionalProperties;
 
     private ContactsCreateResponse(
-            Optional<String> type,
-            Optional<String> id,
+            String id,
             Optional<String> externalId,
-            Optional<String> workspaceId,
-            Optional<String> role,
+            String workspaceId,
+            String role,
             Optional<String> email,
             Optional<String> emailDomain,
             Optional<String> phone,
             Optional<String> name,
             Optional<Integer> ownerId,
-            Optional<Boolean> hasHardBounced,
-            Optional<Boolean> markedEmailAsSpam,
-            Optional<Boolean> unsubscribedFromEmails,
-            Optional<Integer> createdAt,
-            Optional<Integer> updatedAt,
+            boolean hasHardBounced,
+            boolean markedEmailAsSpam,
+            boolean unsubscribedFromEmails,
+            int createdAt,
+            int updatedAt,
             Optional<Integer> signedUpAt,
             Optional<Integer> lastSeenAt,
             Optional<Integer> lastRepliedAt,
@@ -167,7 +165,6 @@ private ContactsCreateResponse(
             Optional<ContactSocialProfiles> socialProfiles,
             Optional<Boolean> enabledPushMessaging,
             Map<String, Object> additionalProperties) {
-        this.type = type;
         this.id = id;
         this.externalId = externalId;
         this.workspaceId = workspaceId;
@@ -220,15 +217,15 @@ private ContactsCreateResponse(
      * @return The type of object.
      */
     @JsonProperty("type")
-    public Optional<String> getType() {
-        return type;
+    public String getType() {
+        return "contact";
     }
 
     /**
      * @return The unique identifier for the contact which is given by Intercom.
      */
     @JsonProperty("id")
-    public Optional<String> getId() {
+    public String getId() {
         return id;
     }
 
@@ -244,7 +241,7 @@ public Optional<String> getExternalId() {
      * @return The id of the workspace which the contact belongs to.
      */
     @JsonProperty("workspace_id")
-    public Optional<String> getWorkspaceId() {
+    public String getWorkspaceId() {
         return workspaceId;
     }
 
@@ -252,7 +249,7 @@ public Optional<String> getWorkspaceId() {
      * @return The role of the contact.
      */
     @JsonProperty("role")
-    public Optional<String> getRole() {
+    public String getRole() {
         return role;
     }
 
@@ -300,7 +297,7 @@ public Optional<Integer> getOwnerId() {
      * @return Whether the contact has had an email sent to them hard bounce.
      */
     @JsonProperty("has_hard_bounced")
-    public Optional<Boolean> getHasHardBounced() {
+    public boolean getHasHardBounced() {
         return hasHardBounced;
     }
 
@@ -308,7 +305,7 @@ public Optional<Boolean> getHasHardBounced() {
      * @return Whether the contact has marked an email sent to them as spam.
      */
     @JsonProperty("marked_email_as_spam")
-    public Optional<Boolean> getMarkedEmailAsSpam() {
+    public boolean getMarkedEmailAsSpam() {
         return markedEmailAsSpam;
     }
 
@@ -316,7 +313,7 @@ public Optional<Boolean> getMarkedEmailAsSpam() {
      * @return Whether the contact is unsubscribed from emails.
      */
     @JsonProperty("unsubscribed_from_emails")
-    public Optional<Boolean> getUnsubscribedFromEmails() {
+    public boolean getUnsubscribedFromEmails() {
         return unsubscribedFromEmails;
     }
 
@@ -324,7 +321,7 @@ public Optional<Boolean> getUnsubscribedFromEmails() {
      * @return (UNIX timestamp) The time when the contact was created.
      */
     @JsonProperty("created_at")
-    public Optional<Integer> getCreatedAt() {
+    public int getCreatedAt() {
         return createdAt;
     }
 
@@ -332,7 +329,7 @@ public Optional<Integer> getCreatedAt() {
      * @return (UNIX timestamp) The time when the contact was last updated.
      */
     @JsonProperty("updated_at")
-    public Optional<Integer> getUpdatedAt() {
+    public int getUpdatedAt() {
         return updatedAt;
     }
 
@@ -581,8 +578,7 @@ public Map<String, Object> getAdditionalProperties() {
     }
 
     private boolean equalTo(ContactsCreateResponse other) {
-        return type.equals(other.type)
-                && id.equals(other.id)
+        return id.equals(other.id)
                 && externalId.equals(other.externalId)
                 && workspaceId.equals(other.workspaceId)
                 && role.equals(other.role)
@@ -591,11 +587,11 @@ private boolean equalTo(ContactsCreateResponse other) {
                 && phone.equals(other.phone)
                 && name.equals(other.name)
                 && ownerId.equals(other.ownerId)
-                && hasHardBounced.equals(other.hasHardBounced)
-                && markedEmailAsSpam.equals(other.markedEmailAsSpam)
-                && unsubscribedFromEmails.equals(other.unsubscribedFromEmails)
-                && createdAt.equals(other.createdAt)
-                && updatedAt.equals(other.updatedAt)
+                && hasHardBounced == other.hasHardBounced
+                && markedEmailAsSpam == other.markedEmailAsSpam
+                && unsubscribedFromEmails == other.unsubscribedFromEmails
+                && createdAt == other.createdAt
+                && updatedAt == other.updatedAt
                 && signedUpAt.equals(other.signedUpAt)
                 && lastSeenAt.equals(other.lastSeenAt)
                 && lastRepliedAt.equals(other.lastRepliedAt)
@@ -632,7 +628,6 @@ private boolean equalTo(ContactsCreateResponse other) {
     @java.lang.Override
     public int hashCode() {
         return Objects.hash(
-                this.type,
                 this.id,
                 this.externalId,
                 this.workspaceId,
@@ -685,791 +680,1276 @@ public String toString() {
         return ObjectMappers.stringify(this);
     }
 
-    public static Builder builder() {
+    public static IdStage builder() {
         return new Builder();
     }
 
-    @JsonIgnoreProperties(ignoreUnknown = true)
-    public static final class Builder {
-        private Optional<String> type = Optional.empty();
-
-        private Optional<String> id = Optional.empty();
-
-        private Optional<String> externalId = Optional.empty();
-
-        private Optional<String> workspaceId = Optional.empty();
+    public interface IdStage {
+        /**
+         * <p>The unique identifier for the contact which is given by Intercom.</p>
+         */
+        WorkspaceIdStage id(@NotNull String id);
 
-        private Optional<String> role = Optional.empty();
+        Builder from(ContactsCreateResponse other);
+    }
 
-        private Optional<String> email = Optional.empty();
+    public interface WorkspaceIdStage {
+        /**
+         * <p>The id of the workspace which the contact belongs to.</p>
+         */
+        RoleStage workspaceId(@NotNull String workspaceId);
+    }
 
-        private Optional<String> emailDomain = Optional.empty();
+    public interface RoleStage {
+        /**
+         * <p>The role of the contact.</p>
+         */
+        HasHardBouncedStage role(@NotNull String role);
+    }
 
-        private Optional<String> phone = Optional.empty();
+    public interface HasHardBouncedStage {
+        /**
+         * <p>Whether the contact has had an email sent to them hard bounce.</p>
+         */
+        MarkedEmailAsSpamStage hasHardBounced(boolean hasHardBounced);
+    }
 
-        private Optional<String> name = Optional.empty();
+    public interface MarkedEmailAsSpamStage {
+        /**
+         * <p>Whether the contact has marked an email sent to them as spam.</p>
+         */
+        UnsubscribedFromEmailsStage markedEmailAsSpam(boolean markedEmailAsSpam);
+    }
 
-        private Optional<Integer> ownerId = Optional.empty();
+    public interface UnsubscribedFromEmailsStage {
+        /**
+         * <p>Whether the contact is unsubscribed from emails.</p>
+         */
+        CreatedAtStage unsubscribedFromEmails(boolean unsubscribedFromEmails);
+    }
 
-        private Optional<Boolean> hasHardBounced = Optional.empty();
+    public interface CreatedAtStage {
+        /**
+         * <p>(UNIX timestamp) The time when the contact was created.</p>
+         */
+        UpdatedAtStage createdAt(int createdAt);
+    }
 
-        private Optional<Boolean> markedEmailAsSpam = Optional.empty();
+    public interface UpdatedAtStage {
+        /**
+         * <p>(UNIX timestamp) The time when the contact was last updated.</p>
+         */
+        _FinalStage updatedAt(int updatedAt);
+    }
 
-        private Optional<Boolean> unsubscribedFromEmails = Optional.empty();
+    public interface _FinalStage {
+        ContactsCreateResponse build();
 
-        private Optional<Integer> createdAt = Optional.empty();
+        /**
+         * <p>The unique identifier for the contact which is provided by the Client.</p>
+         */
+        _FinalStage externalId(Optional<String> externalId);
 
-        private Optional<Integer> updatedAt = Optional.empty();
+        _FinalStage externalId(String externalId);
 
-        private Optional<Integer> signedUpAt = Optional.empty();
+        /**
+         * <p>The contact's email.</p>
+         */
+        _FinalStage email(Optional<String> email);
 
-        private Optional<Integer> lastSeenAt = Optional.empty();
+        _FinalStage email(String email);
 
-        private Optional<Integer> lastRepliedAt = Optional.empty();
+        /**
+         * <p>The contact's email domain.</p>
+         */
+        _FinalStage emailDomain(Optional<String> emailDomain);
 
-        private Optional<Integer> lastContactedAt = Optional.empty();
+        _FinalStage emailDomain(String emailDomain);
 
-        private Optional<Integer> lastEmailOpenedAt = Optional.empty();
+        /**
+         * <p>The contacts phone.</p>
+         */
+        _FinalStage phone(Optional<String> phone);
 
-        private Optional<Integer> lastEmailClickedAt = Optional.empty();
+        _FinalStage phone(String phone);
 
-        private Optional<String> languageOverride = Optional.empty();
+        /**
+         * <p>The contacts name.</p>
+         */
+        _FinalStage name(Optional<String> name);
 
-        private Optional<String> browser = Optional.empty();
+        _FinalStage name(String name);
 
-        private Optional<String> browserVersion = Optional.empty();
+        /**
+         * <p>The id of an admin that has been assigned account ownership of the contact.</p>
+         */
+        _FinalStage ownerId(Optional<Integer> ownerId);
 
-        private Optional<String> browserLanguage = Optional.empty();
+        _FinalStage ownerId(Integer ownerId);
 
-        private Optional<String> os = Optional.empty();
+        /**
+         * <p>(UNIX timestamp) The time specified for when a contact signed up.</p>
+         */
+        _FinalStage signedUpAt(Optional<Integer> signedUpAt);
 
-        private Optional<String> androidAppName = Optional.empty();
+        _FinalStage signedUpAt(Integer signedUpAt);
 
-        private Optional<String> androidAppVersion = Optional.empty();
+        /**
+         * <p>(UNIX timestamp) The time when the contact was last seen (either where the Intercom Messenger was installed or when specified manually).</p>
+         */
+        _FinalStage lastSeenAt(Optional<Integer> lastSeenAt);
 
-        private Optional<String> androidDevice = Optional.empty();
+        _FinalStage lastSeenAt(Integer lastSeenAt);
 
-        private Optional<String> androidOsVersion = Optional.empty();
+        /**
+         * <p>(UNIX timestamp) The time when the contact last messaged in.</p>
+         */
+        _FinalStage lastRepliedAt(Optional<Integer> lastRepliedAt);
 
-        private Optional<String> androidSdkVersion = Optional.empty();
+        _FinalStage lastRepliedAt(Integer lastRepliedAt);
 
-        private Optional<Integer> androidLastSeenAt = Optional.empty();
+        /**
+         * <p>(UNIX timestamp) The time when the contact was last messaged.</p>
+         */
+        _FinalStage lastContactedAt(Optional<Integer> lastContactedAt);
 
-        private Optional<String> iosAppName = Optional.empty();
+        _FinalStage lastContactedAt(Integer lastContactedAt);
 
-        private Optional<String> iosAppVersion = Optional.empty();
+        /**
+         * <p>(UNIX timestamp) The time when the contact last opened an email.</p>
+         */
+        _FinalStage lastEmailOpenedAt(Optional<Integer> lastEmailOpenedAt);
 
-        private Optional<String> iosDevice = Optional.empty();
+        _FinalStage lastEmailOpenedAt(Integer lastEmailOpenedAt);
 
-        private Optional<String> iosOsVersion = Optional.empty();
+        /**
+         * <p>(UNIX timestamp) The time when the contact last clicked a link in an email.</p>
+         */
+        _FinalStage lastEmailClickedAt(Optional<Integer> lastEmailClickedAt);
 
-        private Optional<String> iosSdkVersion = Optional.empty();
+        _FinalStage lastEmailClickedAt(Integer lastEmailClickedAt);
 
-        private Optional<Integer> iosLastSeenAt = Optional.empty();
+        /**
+         * <p>A preferred language setting for the contact, used by the Intercom Messenger even if their browser settings change.</p>
+         */
+        _FinalStage languageOverride(Optional<String> languageOverride);
 
-        private Optional<Map<String, Object>> customAttributes = Optional.empty();
+        _FinalStage languageOverride(String languageOverride);
 
-        private Optional<String> avatar = Optional.empty();
+        /**
+         * <p>The name of the browser which the contact is using.</p>
+         */
+        _FinalStage browser(Optional<String> browser);
 
-        private Optional<ContactTags> tags = Optional.empty();
+        _FinalStage browser(String browser);
 
-        private Optional<ContactNotes> notes = Optional.empty();
+        /**
+         * <p>The version of the browser which the contact is using.</p>
+         */
+        _FinalStage browserVersion(Optional<String> browserVersion);
 
-        private Optional<ContactCompanies> companies = Optional.empty();
+        _FinalStage browserVersion(String browserVersion);
 
-        private Optional<ContactLocation> location = Optional.empty();
+        /**
+         * <p>The language set by the browser which the contact is using.</p>
+         */
+        _FinalStage browserLanguage(Optional<String> browserLanguage);
 
-        private Optional<ContactSocialProfiles> socialProfiles = Optional.empty();
+        _FinalStage browserLanguage(String browserLanguage);
 
-        private Optional<Boolean> enabledPushMessaging = Optional.empty();
+        /**
+         * <p>The operating system which the contact is using.</p>
+         */
+        _FinalStage os(Optional<String> os);
 
-        @JsonAnySetter
-        private Map<String, Object> additionalProperties = new HashMap<>();
+        _FinalStage os(String os);
 
-        private Builder() {}
+        /**
+         * <p>The name of the Android app which the contact is using.</p>
+         */
+        _FinalStage androidAppName(Optional<String> androidAppName);
 
-        public Builder from(ContactsCreateResponse other) {
-            type(other.getType());
-            id(other.getId());
-            externalId(other.getExternalId());
-            workspaceId(other.getWorkspaceId());
-            role(other.getRole());
-            email(other.getEmail());
-            emailDomain(other.getEmailDomain());
-            phone(other.getPhone());
-            name(other.getName());
-            ownerId(other.getOwnerId());
-            hasHardBounced(other.getHasHardBounced());
-            markedEmailAsSpam(other.getMarkedEmailAsSpam());
-            unsubscribedFromEmails(other.getUnsubscribedFromEmails());
-            createdAt(other.getCreatedAt());
-            updatedAt(other.getUpdatedAt());
-            signedUpAt(other.getSignedUpAt());
-            lastSeenAt(other.getLastSeenAt());
-            lastRepliedAt(other.getLastRepliedAt());
-            lastContactedAt(other.getLastContactedAt());
-            lastEmailOpenedAt(other.getLastEmailOpenedAt());
-            lastEmailClickedAt(other.getLastEmailClickedAt());
-            languageOverride(other.getLanguageOverride());
-            browser(other.getBrowser());
-            browserVersion(other.getBrowserVersion());
-            browserLanguage(other.getBrowserLanguage());
-            os(other.getOs());
-            androidAppName(other.getAndroidAppName());
-            androidAppVersion(other.getAndroidAppVersion());
-            androidDevice(other.getAndroidDevice());
-            androidOsVersion(other.getAndroidOsVersion());
-            androidSdkVersion(other.getAndroidSdkVersion());
-            androidLastSeenAt(other.getAndroidLastSeenAt());
-            iosAppName(other.getIosAppName());
-            iosAppVersion(other.getIosAppVersion());
-            iosDevice(other.getIosDevice());
-            iosOsVersion(other.getIosOsVersion());
-            iosSdkVersion(other.getIosSdkVersion());
-            iosLastSeenAt(other.getIosLastSeenAt());
-            customAttributes(other.getCustomAttributes());
-            avatar(other.getAvatar());
-            tags(other.getTags());
-            notes(other.getNotes());
-            companies(other.getCompanies());
-            location(other.getLocation());
-            socialProfiles(other.getSocialProfiles());
-            enabledPushMessaging(other.getEnabledPushMessaging());
-            return this;
-        }
+        _FinalStage androidAppName(String androidAppName);
 
         /**
-         * <p>The type of object.</p>
+         * <p>The version of the Android app which the contact is using.</p>
          */
-        @JsonSetter(value = "type", nulls = Nulls.SKIP)
-        public Builder type(Optional<String> type) {
-            this.type = type;
-            return this;
-        }
+        _FinalStage androidAppVersion(Optional<String> androidAppVersion);
 
-        public Builder type(String type) {
-            this.type = Optional.ofNullable(type);
-            return this;
-        }
+        _FinalStage androidAppVersion(String androidAppVersion);
 
         /**
-         * <p>The unique identifier for the contact which is given by Intercom.</p>
+         * <p>The Android device which the contact is using.</p>
          */
-        @JsonSetter(value = "id", nulls = Nulls.SKIP)
-        public Builder id(Optional<String> id) {
-            this.id = id;
-            return this;
-        }
+        _FinalStage androidDevice(Optional<String> androidDevice);
 
-        public Builder id(String id) {
-            this.id = Optional.ofNullable(id);
-            return this;
-        }
+        _FinalStage androidDevice(String androidDevice);
 
         /**
-         * <p>The unique identifier for the contact which is provided by the Client.</p>
+         * <p>The version of the Android OS which the contact is using.</p>
          */
-        @JsonSetter(value = "external_id", nulls = Nulls.SKIP)
-        public Builder externalId(Optional<String> externalId) {
-            this.externalId = externalId;
-            return this;
-        }
+        _FinalStage androidOsVersion(Optional<String> androidOsVersion);
 
-        public Builder externalId(String externalId) {
-            this.externalId = Optional.ofNullable(externalId);
-            return this;
-        }
+        _FinalStage androidOsVersion(String androidOsVersion);
 
         /**
-         * <p>The id of the workspace which the contact belongs to.</p>
+         * <p>The version of the Android SDK which the contact is using.</p>
          */
-        @JsonSetter(value = "workspace_id", nulls = Nulls.SKIP)
-        public Builder workspaceId(Optional<String> workspaceId) {
-            this.workspaceId = workspaceId;
-            return this;
-        }
+        _FinalStage androidSdkVersion(Optional<String> androidSdkVersion);
 
-        public Builder workspaceId(String workspaceId) {
-            this.workspaceId = Optional.ofNullable(workspaceId);
-            return this;
-        }
+        _FinalStage androidSdkVersion(String androidSdkVersion);
 
         /**
-         * <p>The role of the contact.</p>
+         * <p>(UNIX timestamp) The time when the contact was last seen on an Android device.</p>
          */
-        @JsonSetter(value = "role", nulls = Nulls.SKIP)
-        public Builder role(Optional<String> role) {
-            this.role = role;
-            return this;
-        }
+        _FinalStage androidLastSeenAt(Optional<Integer> androidLastSeenAt);
 
-        public Builder role(String role) {
-            this.role = Optional.ofNullable(role);
-            return this;
-        }
+        _FinalStage androidLastSeenAt(Integer androidLastSeenAt);
 
         /**
-         * <p>The contact's email.</p>
+         * <p>The name of the iOS app which the contact is using.</p>
          */
-        @JsonSetter(value = "email", nulls = Nulls.SKIP)
-        public Builder email(Optional<String> email) {
-            this.email = email;
-            return this;
-        }
+        _FinalStage iosAppName(Optional<String> iosAppName);
 
-        public Builder email(String email) {
-            this.email = Optional.ofNullable(email);
-            return this;
-        }
+        _FinalStage iosAppName(String iosAppName);
 
         /**
-         * <p>The contact's email domain.</p>
+         * <p>The version of the iOS app which the contact is using.</p>
          */
-        @JsonSetter(value = "email_domain", nulls = Nulls.SKIP)
-        public Builder emailDomain(Optional<String> emailDomain) {
-            this.emailDomain = emailDomain;
-            return this;
-        }
+        _FinalStage iosAppVersion(Optional<String> iosAppVersion);
 
-        public Builder emailDomain(String emailDomain) {
-            this.emailDomain = Optional.ofNullable(emailDomain);
-            return this;
-        }
+        _FinalStage iosAppVersion(String iosAppVersion);
 
         /**
-         * <p>The contacts phone.</p>
+         * <p>The iOS device which the contact is using.</p>
          */
-        @JsonSetter(value = "phone", nulls = Nulls.SKIP)
-        public Builder phone(Optional<String> phone) {
-            this.phone = phone;
-            return this;
-        }
+        _FinalStage iosDevice(Optional<String> iosDevice);
 
-        public Builder phone(String phone) {
-            this.phone = Optional.ofNullable(phone);
-            return this;
-        }
+        _FinalStage iosDevice(String iosDevice);
 
         /**
-         * <p>The contacts name.</p>
+         * <p>The version of iOS which the contact is using.</p>
          */
-        @JsonSetter(value = "name", nulls = Nulls.SKIP)
-        public Builder name(Optional<String> name) {
-            this.name = name;
-            return this;
-        }
+        _FinalStage iosOsVersion(Optional<String> iosOsVersion);
 
-        public Builder name(String name) {
-            this.name = Optional.ofNullable(name);
-            return this;
-        }
+        _FinalStage iosOsVersion(String iosOsVersion);
 
         /**
-         * <p>The id of an admin that has been assigned account ownership of the contact.</p>
+         * <p>The version of the iOS SDK which the contact is using.</p>
          */
-        @JsonSetter(value = "owner_id", nulls = Nulls.SKIP)
-        public Builder ownerId(Optional<Integer> ownerId) {
-            this.ownerId = ownerId;
-            return this;
-        }
+        _FinalStage iosSdkVersion(Optional<String> iosSdkVersion);
 
-        public Builder ownerId(Integer ownerId) {
-            this.ownerId = Optional.ofNullable(ownerId);
-            return this;
-        }
+        _FinalStage iosSdkVersion(String iosSdkVersion);
 
         /**
-         * <p>Whether the contact has had an email sent to them hard bounce.</p>
+         * <p>(UNIX timestamp) The last time the contact used the iOS app.</p>
          */
-        @JsonSetter(value = "has_hard_bounced", nulls = Nulls.SKIP)
-        public Builder hasHardBounced(Optional<Boolean> hasHardBounced) {
-            this.hasHardBounced = hasHardBounced;
+        _FinalStage iosLastSeenAt(Optional<Integer> iosLastSeenAt);
+
+        _FinalStage iosLastSeenAt(Integer iosLastSeenAt);
+
+        /**
+         * <p>The custom attributes which are set for the contact.</p>
+         */
+        _FinalStage customAttributes(Optional<Map<String, Object>> customAttributes);
+
+        _FinalStage customAttributes(Map<String, Object> customAttributes);
+
+        /**
+         * <p>An image URL containing the avatar of a contact.</p>
+         */
+        _FinalStage avatar(Optional<String> avatar);
+
+        _FinalStage avatar(String avatar);
+
+        _FinalStage tags(Optional<ContactTags> tags);
+
+        _FinalStage tags(ContactTags tags);
+
+        _FinalStage notes(Optional<ContactNotes> notes);
+
+        _FinalStage notes(ContactNotes notes);
+
+        _FinalStage companies(Optional<ContactCompanies> companies);
+
+        _FinalStage companies(ContactCompanies companies);
+
+        _FinalStage location(Optional<ContactLocation> location);
+
+        _FinalStage location(ContactLocation location);
+
+        _FinalStage socialProfiles(Optional<ContactSocialProfiles> socialProfiles);
+
+        _FinalStage socialProfiles(ContactSocialProfiles socialProfiles);
+
+        /**
+         * <p>If the user has enabled push messaging.</p>
+         */
+        _FinalStage enabledPushMessaging(Optional<Boolean> enabledPushMessaging);
+
+        _FinalStage enabledPushMessaging(Boolean enabledPushMessaging);
+    }
+
+    @JsonIgnoreProperties(ignoreUnknown = true)
+    public static final class Builder
+            implements IdStage,
+                    WorkspaceIdStage,
+                    RoleStage,
+                    HasHardBouncedStage,
+                    MarkedEmailAsSpamStage,
+                    UnsubscribedFromEmailsStage,
+                    CreatedAtStage,
+                    UpdatedAtStage,
+                    _FinalStage {
+        private String id;
+
+        private String workspaceId;
+
+        private String role;
+
+        private boolean hasHardBounced;
+
+        private boolean markedEmailAsSpam;
+
+        private boolean unsubscribedFromEmails;
+
+        private int createdAt;
+
+        private int updatedAt;
+
+        private Optional<Boolean> enabledPushMessaging = Optional.empty();
+
+        private Optional<ContactSocialProfiles> socialProfiles = Optional.empty();
+
+        private Optional<ContactLocation> location = Optional.empty();
+
+        private Optional<ContactCompanies> companies = Optional.empty();
+
+        private Optional<ContactNotes> notes = Optional.empty();
+
+        private Optional<ContactTags> tags = Optional.empty();
+
+        private Optional<String> avatar = Optional.empty();
+
+        private Optional<Map<String, Object>> customAttributes = Optional.empty();
+
+        private Optional<Integer> iosLastSeenAt = Optional.empty();
+
+        private Optional<String> iosSdkVersion = Optional.empty();
+
+        private Optional<String> iosOsVersion = Optional.empty();
+
+        private Optional<String> iosDevice = Optional.empty();
+
+        private Optional<String> iosAppVersion = Optional.empty();
+
+        private Optional<String> iosAppName = Optional.empty();
+
+        private Optional<Integer> androidLastSeenAt = Optional.empty();
+
+        private Optional<String> androidSdkVersion = Optional.empty();
+
+        private Optional<String> androidOsVersion = Optional.empty();
+
+        private Optional<String> androidDevice = Optional.empty();
+
+        private Optional<String> androidAppVersion = Optional.empty();
+
+        private Optional<String> androidAppName = Optional.empty();
+
+        private Optional<String> os = Optional.empty();
+
+        private Optional<String> browserLanguage = Optional.empty();
+
+        private Optional<String> browserVersion = Optional.empty();
+
+        private Optional<String> browser = Optional.empty();
+
+        private Optional<String> languageOverride = Optional.empty();
+
+        private Optional<Integer> lastEmailClickedAt = Optional.empty();
+
+        private Optional<Integer> lastEmailOpenedAt = Optional.empty();
+
+        private Optional<Integer> lastContactedAt = Optional.empty();
+
+        private Optional<Integer> lastRepliedAt = Optional.empty();
+
+        private Optional<Integer> lastSeenAt = Optional.empty();
+
+        private Optional<Integer> signedUpAt = Optional.empty();
+
+        private Optional<Integer> ownerId = Optional.empty();
+
+        private Optional<String> name = Optional.empty();
+
+        private Optional<String> phone = Optional.empty();
+
+        private Optional<String> emailDomain = Optional.empty();
+
+        private Optional<String> email = Optional.empty();
+
+        private Optional<String> externalId = Optional.empty();
+
+        @JsonAnySetter
+        private Map<String, Object> additionalProperties = new HashMap<>();
+
+        private Builder() {}
+
+        @java.lang.Override
+        public Builder from(ContactsCreateResponse other) {
+            id(other.getId());
+            externalId(other.getExternalId());
+            workspaceId(other.getWorkspaceId());
+            role(other.getRole());
+            email(other.getEmail());
+            emailDomain(other.getEmailDomain());
+            phone(other.getPhone());
+            name(other.getName());
+            ownerId(other.getOwnerId());
+            hasHardBounced(other.getHasHardBounced());
+            markedEmailAsSpam(other.getMarkedEmailAsSpam());
+            unsubscribedFromEmails(other.getUnsubscribedFromEmails());
+            createdAt(other.getCreatedAt());
+            updatedAt(other.getUpdatedAt());
+            signedUpAt(other.getSignedUpAt());
+            lastSeenAt(other.getLastSeenAt());
+            lastRepliedAt(other.getLastRepliedAt());
+            lastContactedAt(other.getLastContactedAt());
+            lastEmailOpenedAt(other.getLastEmailOpenedAt());
+            lastEmailClickedAt(other.getLastEmailClickedAt());
+            languageOverride(other.getLanguageOverride());
+            browser(other.getBrowser());
+            browserVersion(other.getBrowserVersion());
+            browserLanguage(other.getBrowserLanguage());
+            os(other.getOs());
+            androidAppName(other.getAndroidAppName());
+            androidAppVersion(other.getAndroidAppVersion());
+            androidDevice(other.getAndroidDevice());
+            androidOsVersion(other.getAndroidOsVersion());
+            androidSdkVersion(other.getAndroidSdkVersion());
+            androidLastSeenAt(other.getAndroidLastSeenAt());
+            iosAppName(other.getIosAppName());
+            iosAppVersion(other.getIosAppVersion());
+            iosDevice(other.getIosDevice());
+            iosOsVersion(other.getIosOsVersion());
+            iosSdkVersion(other.getIosSdkVersion());
+            iosLastSeenAt(other.getIosLastSeenAt());
+            customAttributes(other.getCustomAttributes());
+            avatar(other.getAvatar());
+            tags(other.getTags());
+            notes(other.getNotes());
+            companies(other.getCompanies());
+            location(other.getLocation());
+            socialProfiles(other.getSocialProfiles());
+            enabledPushMessaging(other.getEnabledPushMessaging());
             return this;
         }
 
-        public Builder hasHardBounced(Boolean hasHardBounced) {
-            this.hasHardBounced = Optional.ofNullable(hasHardBounced);
+        /**
+         * <p>The unique identifier for the contact which is given by Intercom.</p>
+         * <p>The unique identifier for the contact which is given by Intercom.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
+         */
+        @java.lang.Override
+        @JsonSetter("id")
+        public WorkspaceIdStage id(@NotNull String id) {
+            this.id = Objects.requireNonNull(id, "id must not be null");
             return this;
         }
 
         /**
-         * <p>Whether the contact has marked an email sent to them as spam.</p>
+         * <p>The id of the workspace which the contact belongs to.</p>
+         * <p>The id of the workspace which the contact belongs to.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "marked_email_as_spam", nulls = Nulls.SKIP)
-        public Builder markedEmailAsSpam(Optional<Boolean> markedEmailAsSpam) {
-            this.markedEmailAsSpam = markedEmailAsSpam;
+        @java.lang.Override
+        @JsonSetter("workspace_id")
+        public RoleStage workspaceId(@NotNull String workspaceId) {
+            this.workspaceId = Objects.requireNonNull(workspaceId, "workspaceId must not be null");
             return this;
         }
 
-        public Builder markedEmailAsSpam(Boolean markedEmailAsSpam) {
-            this.markedEmailAsSpam = Optional.ofNullable(markedEmailAsSpam);
+        /**
+         * <p>The role of the contact.</p>
+         * <p>The role of the contact.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
+         */
+        @java.lang.Override
+        @JsonSetter("role")
+        public HasHardBouncedStage role(@NotNull String role) {
+            this.role = Objects.requireNonNull(role, "role must not be null");
             return this;
         }
 
         /**
-         * <p>Whether the contact is unsubscribed from emails.</p>
+         * <p>Whether the contact has had an email sent to them hard bounce.</p>
+         * <p>Whether the contact has had an email sent to them hard bounce.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "unsubscribed_from_emails", nulls = Nulls.SKIP)
-        public Builder unsubscribedFromEmails(Optional<Boolean> unsubscribedFromEmails) {
-            this.unsubscribedFromEmails = unsubscribedFromEmails;
+        @java.lang.Override
+        @JsonSetter("has_hard_bounced")
+        public MarkedEmailAsSpamStage hasHardBounced(boolean hasHardBounced) {
+            this.hasHardBounced = hasHardBounced;
             return this;
         }
 
-        public Builder unsubscribedFromEmails(Boolean unsubscribedFromEmails) {
-            this.unsubscribedFromEmails = Optional.ofNullable(unsubscribedFromEmails);
+        /**
+         * <p>Whether the contact has marked an email sent to them as spam.</p>
+         * <p>Whether the contact has marked an email sent to them as spam.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
+         */
+        @java.lang.Override
+        @JsonSetter("marked_email_as_spam")
+        public UnsubscribedFromEmailsStage markedEmailAsSpam(boolean markedEmailAsSpam) {
+            this.markedEmailAsSpam = markedEmailAsSpam;
             return this;
         }
 
         /**
-         * <p>(UNIX timestamp) The time when the contact was created.</p>
+         * <p>Whether the contact is unsubscribed from emails.</p>
+         * <p>Whether the contact is unsubscribed from emails.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "created_at", nulls = Nulls.SKIP)
-        public Builder createdAt(Optional<Integer> createdAt) {
-            this.createdAt = createdAt;
+        @java.lang.Override
+        @JsonSetter("unsubscribed_from_emails")
+        public CreatedAtStage unsubscribedFromEmails(boolean unsubscribedFromEmails) {
+            this.unsubscribedFromEmails = unsubscribedFromEmails;
             return this;
         }
 
-        public Builder createdAt(Integer createdAt) {
-            this.createdAt = Optional.ofNullable(createdAt);
+        /**
+         * <p>(UNIX timestamp) The time when the contact was created.</p>
+         * <p>(UNIX timestamp) The time when the contact was created.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
+         */
+        @java.lang.Override
+        @JsonSetter("created_at")
+        public UpdatedAtStage createdAt(int createdAt) {
+            this.createdAt = createdAt;
             return this;
         }
 
         /**
          * <p>(UNIX timestamp) The time when the contact was last updated.</p>
+         * <p>(UNIX timestamp) The time when the contact was last updated.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "updated_at", nulls = Nulls.SKIP)
-        public Builder updatedAt(Optional<Integer> updatedAt) {
+        @java.lang.Override
+        @JsonSetter("updated_at")
+        public _FinalStage updatedAt(int updatedAt) {
             this.updatedAt = updatedAt;
             return this;
         }
 
-        public Builder updatedAt(Integer updatedAt) {
-            this.updatedAt = Optional.ofNullable(updatedAt);
+        /**
+         * <p>If the user has enabled push messaging.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
+         */
+        @java.lang.Override
+        public _FinalStage enabledPushMessaging(Boolean enabledPushMessaging) {
+            this.enabledPushMessaging = Optional.ofNullable(enabledPushMessaging);
             return this;
         }
 
         /**
-         * <p>(UNIX timestamp) The time specified for when a contact signed up.</p>
+         * <p>If the user has enabled push messaging.</p>
          */
-        @JsonSetter(value = "signed_up_at", nulls = Nulls.SKIP)
-        public Builder signedUpAt(Optional<Integer> signedUpAt) {
-            this.signedUpAt = signedUpAt;
+        @java.lang.Override
+        @JsonSetter(value = "enabled_push_messaging", nulls = Nulls.SKIP)
+        public _FinalStage enabledPushMessaging(Optional<Boolean> enabledPushMessaging) {
+            this.enabledPushMessaging = enabledPushMessaging;
             return this;
         }
 
-        public Builder signedUpAt(Integer signedUpAt) {
-            this.signedUpAt = Optional.ofNullable(signedUpAt);
+        @java.lang.Override
+        public _FinalStage socialProfiles(ContactSocialProfiles socialProfiles) {
+            this.socialProfiles = Optional.ofNullable(socialProfiles);
+            return this;
+        }
+
+        @java.lang.Override
+        @JsonSetter(value = "social_profiles", nulls = Nulls.SKIP)
+        public _FinalStage socialProfiles(Optional<ContactSocialProfiles> socialProfiles) {
+            this.socialProfiles = socialProfiles;
+            return this;
+        }
+
+        @java.lang.Override
+        public _FinalStage location(ContactLocation location) {
+            this.location = Optional.ofNullable(location);
+            return this;
+        }
+
+        @java.lang.Override
+        @JsonSetter(value = "location", nulls = Nulls.SKIP)
+        public _FinalStage location(Optional<ContactLocation> location) {
+            this.location = location;
+            return this;
+        }
+
+        @java.lang.Override
+        public _FinalStage companies(ContactCompanies companies) {
+            this.companies = Optional.ofNullable(companies);
+            return this;
+        }
+
+        @java.lang.Override
+        @JsonSetter(value = "companies", nulls = Nulls.SKIP)
+        public _FinalStage companies(Optional<ContactCompanies> companies) {
+            this.companies = companies;
+            return this;
+        }
+
+        @java.lang.Override
+        public _FinalStage notes(ContactNotes notes) {
+            this.notes = Optional.ofNullable(notes);
+            return this;
+        }
+
+        @java.lang.Override
+        @JsonSetter(value = "notes", nulls = Nulls.SKIP)
+        public _FinalStage notes(Optional<ContactNotes> notes) {
+            this.notes = notes;
+            return this;
+        }
+
+        @java.lang.Override
+        public _FinalStage tags(ContactTags tags) {
+            this.tags = Optional.ofNullable(tags);
+            return this;
+        }
+
+        @java.lang.Override
+        @JsonSetter(value = "tags", nulls = Nulls.SKIP)
+        public _FinalStage tags(Optional<ContactTags> tags) {
+            this.tags = tags;
             return this;
         }
 
         /**
-         * <p>(UNIX timestamp) The time when the contact was last seen (either where the Intercom Messenger was installed or when specified manually).</p>
+         * <p>An image URL containing the avatar of a contact.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "last_seen_at", nulls = Nulls.SKIP)
-        public Builder lastSeenAt(Optional<Integer> lastSeenAt) {
-            this.lastSeenAt = lastSeenAt;
+        @java.lang.Override
+        public _FinalStage avatar(String avatar) {
+            this.avatar = Optional.ofNullable(avatar);
             return this;
         }
 
-        public Builder lastSeenAt(Integer lastSeenAt) {
-            this.lastSeenAt = Optional.ofNullable(lastSeenAt);
+        /**
+         * <p>An image URL containing the avatar of a contact.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "avatar", nulls = Nulls.SKIP)
+        public _FinalStage avatar(Optional<String> avatar) {
+            this.avatar = avatar;
             return this;
         }
 
         /**
-         * <p>(UNIX timestamp) The time when the contact last messaged in.</p>
+         * <p>The custom attributes which are set for the contact.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "last_replied_at", nulls = Nulls.SKIP)
-        public Builder lastRepliedAt(Optional<Integer> lastRepliedAt) {
-            this.lastRepliedAt = lastRepliedAt;
+        @java.lang.Override
+        public _FinalStage customAttributes(Map<String, Object> customAttributes) {
+            this.customAttributes = Optional.ofNullable(customAttributes);
             return this;
         }
 
-        public Builder lastRepliedAt(Integer lastRepliedAt) {
-            this.lastRepliedAt = Optional.ofNullable(lastRepliedAt);
+        /**
+         * <p>The custom attributes which are set for the contact.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "custom_attributes", nulls = Nulls.SKIP)
+        public _FinalStage customAttributes(Optional<Map<String, Object>> customAttributes) {
+            this.customAttributes = customAttributes;
             return this;
         }
 
         /**
-         * <p>(UNIX timestamp) The time when the contact was last messaged.</p>
+         * <p>(UNIX timestamp) The last time the contact used the iOS app.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "last_contacted_at", nulls = Nulls.SKIP)
-        public Builder lastContactedAt(Optional<Integer> lastContactedAt) {
-            this.lastContactedAt = lastContactedAt;
+        @java.lang.Override
+        public _FinalStage iosLastSeenAt(Integer iosLastSeenAt) {
+            this.iosLastSeenAt = Optional.ofNullable(iosLastSeenAt);
             return this;
         }
 
-        public Builder lastContactedAt(Integer lastContactedAt) {
-            this.lastContactedAt = Optional.ofNullable(lastContactedAt);
+        /**
+         * <p>(UNIX timestamp) The last time the contact used the iOS app.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "ios_last_seen_at", nulls = Nulls.SKIP)
+        public _FinalStage iosLastSeenAt(Optional<Integer> iosLastSeenAt) {
+            this.iosLastSeenAt = iosLastSeenAt;
             return this;
         }
 
         /**
-         * <p>(UNIX timestamp) The time when the contact last opened an email.</p>
+         * <p>The version of the iOS SDK which the contact is using.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "last_email_opened_at", nulls = Nulls.SKIP)
-        public Builder lastEmailOpenedAt(Optional<Integer> lastEmailOpenedAt) {
-            this.lastEmailOpenedAt = lastEmailOpenedAt;
+        @java.lang.Override
+        public _FinalStage iosSdkVersion(String iosSdkVersion) {
+            this.iosSdkVersion = Optional.ofNullable(iosSdkVersion);
             return this;
         }
 
-        public Builder lastEmailOpenedAt(Integer lastEmailOpenedAt) {
-            this.lastEmailOpenedAt = Optional.ofNullable(lastEmailOpenedAt);
+        /**
+         * <p>The version of the iOS SDK which the contact is using.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "ios_sdk_version", nulls = Nulls.SKIP)
+        public _FinalStage iosSdkVersion(Optional<String> iosSdkVersion) {
+            this.iosSdkVersion = iosSdkVersion;
             return this;
         }
 
         /**
-         * <p>(UNIX timestamp) The time when the contact last clicked a link in an email.</p>
+         * <p>The version of iOS which the contact is using.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "last_email_clicked_at", nulls = Nulls.SKIP)
-        public Builder lastEmailClickedAt(Optional<Integer> lastEmailClickedAt) {
-            this.lastEmailClickedAt = lastEmailClickedAt;
+        @java.lang.Override
+        public _FinalStage iosOsVersion(String iosOsVersion) {
+            this.iosOsVersion = Optional.ofNullable(iosOsVersion);
             return this;
         }
 
-        public Builder lastEmailClickedAt(Integer lastEmailClickedAt) {
-            this.lastEmailClickedAt = Optional.ofNullable(lastEmailClickedAt);
+        /**
+         * <p>The version of iOS which the contact is using.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "ios_os_version", nulls = Nulls.SKIP)
+        public _FinalStage iosOsVersion(Optional<String> iosOsVersion) {
+            this.iosOsVersion = iosOsVersion;
             return this;
         }
 
         /**
-         * <p>A preferred language setting for the contact, used by the Intercom Messenger even if their browser settings change.</p>
+         * <p>The iOS device which the contact is using.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "language_override", nulls = Nulls.SKIP)
-        public Builder languageOverride(Optional<String> languageOverride) {
-            this.languageOverride = languageOverride;
+        @java.lang.Override
+        public _FinalStage iosDevice(String iosDevice) {
+            this.iosDevice = Optional.ofNullable(iosDevice);
             return this;
         }
 
-        public Builder languageOverride(String languageOverride) {
-            this.languageOverride = Optional.ofNullable(languageOverride);
+        /**
+         * <p>The iOS device which the contact is using.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "ios_device", nulls = Nulls.SKIP)
+        public _FinalStage iosDevice(Optional<String> iosDevice) {
+            this.iosDevice = iosDevice;
             return this;
         }
 
         /**
-         * <p>The name of the browser which the contact is using.</p>
+         * <p>The version of the iOS app which the contact is using.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "browser", nulls = Nulls.SKIP)
-        public Builder browser(Optional<String> browser) {
-            this.browser = browser;
+        @java.lang.Override
+        public _FinalStage iosAppVersion(String iosAppVersion) {
+            this.iosAppVersion = Optional.ofNullable(iosAppVersion);
+            return this;
+        }
+
+        /**
+         * <p>The version of the iOS app which the contact is using.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "ios_app_version", nulls = Nulls.SKIP)
+        public _FinalStage iosAppVersion(Optional<String> iosAppVersion) {
+            this.iosAppVersion = iosAppVersion;
+            return this;
+        }
+
+        /**
+         * <p>The name of the iOS app which the contact is using.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
+         */
+        @java.lang.Override
+        public _FinalStage iosAppName(String iosAppName) {
+            this.iosAppName = Optional.ofNullable(iosAppName);
+            return this;
+        }
+
+        /**
+         * <p>The name of the iOS app which the contact is using.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "ios_app_name", nulls = Nulls.SKIP)
+        public _FinalStage iosAppName(Optional<String> iosAppName) {
+            this.iosAppName = iosAppName;
             return this;
         }
 
-        public Builder browser(String browser) {
-            this.browser = Optional.ofNullable(browser);
+        /**
+         * <p>(UNIX timestamp) The time when the contact was last seen on an Android device.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
+         */
+        @java.lang.Override
+        public _FinalStage androidLastSeenAt(Integer androidLastSeenAt) {
+            this.androidLastSeenAt = Optional.ofNullable(androidLastSeenAt);
             return this;
         }
 
         /**
-         * <p>The version of the browser which the contact is using.</p>
+         * <p>(UNIX timestamp) The time when the contact was last seen on an Android device.</p>
          */
-        @JsonSetter(value = "browser_version", nulls = Nulls.SKIP)
-        public Builder browserVersion(Optional<String> browserVersion) {
-            this.browserVersion = browserVersion;
+        @java.lang.Override
+        @JsonSetter(value = "android_last_seen_at", nulls = Nulls.SKIP)
+        public _FinalStage androidLastSeenAt(Optional<Integer> androidLastSeenAt) {
+            this.androidLastSeenAt = androidLastSeenAt;
             return this;
         }
 
-        public Builder browserVersion(String browserVersion) {
-            this.browserVersion = Optional.ofNullable(browserVersion);
+        /**
+         * <p>The version of the Android SDK which the contact is using.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
+         */
+        @java.lang.Override
+        public _FinalStage androidSdkVersion(String androidSdkVersion) {
+            this.androidSdkVersion = Optional.ofNullable(androidSdkVersion);
             return this;
         }
 
         /**
-         * <p>The language set by the browser which the contact is using.</p>
+         * <p>The version of the Android SDK which the contact is using.</p>
          */
-        @JsonSetter(value = "browser_language", nulls = Nulls.SKIP)
-        public Builder browserLanguage(Optional<String> browserLanguage) {
-            this.browserLanguage = browserLanguage;
+        @java.lang.Override
+        @JsonSetter(value = "android_sdk_version", nulls = Nulls.SKIP)
+        public _FinalStage androidSdkVersion(Optional<String> androidSdkVersion) {
+            this.androidSdkVersion = androidSdkVersion;
             return this;
         }
 
-        public Builder browserLanguage(String browserLanguage) {
-            this.browserLanguage = Optional.ofNullable(browserLanguage);
+        /**
+         * <p>The version of the Android OS which the contact is using.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
+         */
+        @java.lang.Override
+        public _FinalStage androidOsVersion(String androidOsVersion) {
+            this.androidOsVersion = Optional.ofNullable(androidOsVersion);
             return this;
         }
 
         /**
-         * <p>The operating system which the contact is using.</p>
+         * <p>The version of the Android OS which the contact is using.</p>
          */
-        @JsonSetter(value = "os", nulls = Nulls.SKIP)
-        public Builder os(Optional<String> os) {
-            this.os = os;
+        @java.lang.Override
+        @JsonSetter(value = "android_os_version", nulls = Nulls.SKIP)
+        public _FinalStage androidOsVersion(Optional<String> androidOsVersion) {
+            this.androidOsVersion = androidOsVersion;
             return this;
         }
 
-        public Builder os(String os) {
-            this.os = Optional.ofNullable(os);
+        /**
+         * <p>The Android device which the contact is using.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
+         */
+        @java.lang.Override
+        public _FinalStage androidDevice(String androidDevice) {
+            this.androidDevice = Optional.ofNullable(androidDevice);
             return this;
         }
 
         /**
-         * <p>The name of the Android app which the contact is using.</p>
+         * <p>The Android device which the contact is using.</p>
          */
-        @JsonSetter(value = "android_app_name", nulls = Nulls.SKIP)
-        public Builder androidAppName(Optional<String> androidAppName) {
-            this.androidAppName = androidAppName;
+        @java.lang.Override
+        @JsonSetter(value = "android_device", nulls = Nulls.SKIP)
+        public _FinalStage androidDevice(Optional<String> androidDevice) {
+            this.androidDevice = androidDevice;
             return this;
         }
 
-        public Builder androidAppName(String androidAppName) {
-            this.androidAppName = Optional.ofNullable(androidAppName);
+        /**
+         * <p>The version of the Android app which the contact is using.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
+         */
+        @java.lang.Override
+        public _FinalStage androidAppVersion(String androidAppVersion) {
+            this.androidAppVersion = Optional.ofNullable(androidAppVersion);
             return this;
         }
 
         /**
          * <p>The version of the Android app which the contact is using.</p>
          */
+        @java.lang.Override
         @JsonSetter(value = "android_app_version", nulls = Nulls.SKIP)
-        public Builder androidAppVersion(Optional<String> androidAppVersion) {
+        public _FinalStage androidAppVersion(Optional<String> androidAppVersion) {
             this.androidAppVersion = androidAppVersion;
             return this;
         }
 
-        public Builder androidAppVersion(String androidAppVersion) {
-            this.androidAppVersion = Optional.ofNullable(androidAppVersion);
-            return this;
-        }
-
         /**
-         * <p>The Android device which the contact is using.</p>
+         * <p>The name of the Android app which the contact is using.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "android_device", nulls = Nulls.SKIP)
-        public Builder androidDevice(Optional<String> androidDevice) {
-            this.androidDevice = androidDevice;
+        @java.lang.Override
+        public _FinalStage androidAppName(String androidAppName) {
+            this.androidAppName = Optional.ofNullable(androidAppName);
             return this;
         }
 
-        public Builder androidDevice(String androidDevice) {
-            this.androidDevice = Optional.ofNullable(androidDevice);
+        /**
+         * <p>The name of the Android app which the contact is using.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "android_app_name", nulls = Nulls.SKIP)
+        public _FinalStage androidAppName(Optional<String> androidAppName) {
+            this.androidAppName = androidAppName;
             return this;
         }
 
         /**
-         * <p>The version of the Android OS which the contact is using.</p>
+         * <p>The operating system which the contact is using.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "android_os_version", nulls = Nulls.SKIP)
-        public Builder androidOsVersion(Optional<String> androidOsVersion) {
-            this.androidOsVersion = androidOsVersion;
+        @java.lang.Override
+        public _FinalStage os(String os) {
+            this.os = Optional.ofNullable(os);
             return this;
         }
 
-        public Builder androidOsVersion(String androidOsVersion) {
-            this.androidOsVersion = Optional.ofNullable(androidOsVersion);
+        /**
+         * <p>The operating system which the contact is using.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "os", nulls = Nulls.SKIP)
+        public _FinalStage os(Optional<String> os) {
+            this.os = os;
             return this;
         }
 
         /**
-         * <p>The version of the Android SDK which the contact is using.</p>
+         * <p>The language set by the browser which the contact is using.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "android_sdk_version", nulls = Nulls.SKIP)
-        public Builder androidSdkVersion(Optional<String> androidSdkVersion) {
-            this.androidSdkVersion = androidSdkVersion;
+        @java.lang.Override
+        public _FinalStage browserLanguage(String browserLanguage) {
+            this.browserLanguage = Optional.ofNullable(browserLanguage);
             return this;
         }
 
-        public Builder androidSdkVersion(String androidSdkVersion) {
-            this.androidSdkVersion = Optional.ofNullable(androidSdkVersion);
+        /**
+         * <p>The language set by the browser which the contact is using.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "browser_language", nulls = Nulls.SKIP)
+        public _FinalStage browserLanguage(Optional<String> browserLanguage) {
+            this.browserLanguage = browserLanguage;
             return this;
         }
 
         /**
-         * <p>(UNIX timestamp) The time when the contact was last seen on an Android device.</p>
+         * <p>The version of the browser which the contact is using.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "android_last_seen_at", nulls = Nulls.SKIP)
-        public Builder androidLastSeenAt(Optional<Integer> androidLastSeenAt) {
-            this.androidLastSeenAt = androidLastSeenAt;
+        @java.lang.Override
+        public _FinalStage browserVersion(String browserVersion) {
+            this.browserVersion = Optional.ofNullable(browserVersion);
             return this;
         }
 
-        public Builder androidLastSeenAt(Integer androidLastSeenAt) {
-            this.androidLastSeenAt = Optional.ofNullable(androidLastSeenAt);
+        /**
+         * <p>The version of the browser which the contact is using.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "browser_version", nulls = Nulls.SKIP)
+        public _FinalStage browserVersion(Optional<String> browserVersion) {
+            this.browserVersion = browserVersion;
             return this;
         }
 
         /**
-         * <p>The name of the iOS app which the contact is using.</p>
+         * <p>The name of the browser which the contact is using.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "ios_app_name", nulls = Nulls.SKIP)
-        public Builder iosAppName(Optional<String> iosAppName) {
-            this.iosAppName = iosAppName;
+        @java.lang.Override
+        public _FinalStage browser(String browser) {
+            this.browser = Optional.ofNullable(browser);
             return this;
         }
 
-        public Builder iosAppName(String iosAppName) {
-            this.iosAppName = Optional.ofNullable(iosAppName);
+        /**
+         * <p>The name of the browser which the contact is using.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "browser", nulls = Nulls.SKIP)
+        public _FinalStage browser(Optional<String> browser) {
+            this.browser = browser;
             return this;
         }
 
         /**
-         * <p>The version of the iOS app which the contact is using.</p>
+         * <p>A preferred language setting for the contact, used by the Intercom Messenger even if their browser settings change.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "ios_app_version", nulls = Nulls.SKIP)
-        public Builder iosAppVersion(Optional<String> iosAppVersion) {
-            this.iosAppVersion = iosAppVersion;
+        @java.lang.Override
+        public _FinalStage languageOverride(String languageOverride) {
+            this.languageOverride = Optional.ofNullable(languageOverride);
             return this;
         }
 
-        public Builder iosAppVersion(String iosAppVersion) {
-            this.iosAppVersion = Optional.ofNullable(iosAppVersion);
+        /**
+         * <p>A preferred language setting for the contact, used by the Intercom Messenger even if their browser settings change.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "language_override", nulls = Nulls.SKIP)
+        public _FinalStage languageOverride(Optional<String> languageOverride) {
+            this.languageOverride = languageOverride;
             return this;
         }
 
         /**
-         * <p>The iOS device which the contact is using.</p>
+         * <p>(UNIX timestamp) The time when the contact last clicked a link in an email.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "ios_device", nulls = Nulls.SKIP)
-        public Builder iosDevice(Optional<String> iosDevice) {
-            this.iosDevice = iosDevice;
+        @java.lang.Override
+        public _FinalStage lastEmailClickedAt(Integer lastEmailClickedAt) {
+            this.lastEmailClickedAt = Optional.ofNullable(lastEmailClickedAt);
             return this;
         }
 
-        public Builder iosDevice(String iosDevice) {
-            this.iosDevice = Optional.ofNullable(iosDevice);
+        /**
+         * <p>(UNIX timestamp) The time when the contact last clicked a link in an email.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "last_email_clicked_at", nulls = Nulls.SKIP)
+        public _FinalStage lastEmailClickedAt(Optional<Integer> lastEmailClickedAt) {
+            this.lastEmailClickedAt = lastEmailClickedAt;
             return this;
         }
 
         /**
-         * <p>The version of iOS which the contact is using.</p>
+         * <p>(UNIX timestamp) The time when the contact last opened an email.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "ios_os_version", nulls = Nulls.SKIP)
-        public Builder iosOsVersion(Optional<String> iosOsVersion) {
-            this.iosOsVersion = iosOsVersion;
+        @java.lang.Override
+        public _FinalStage lastEmailOpenedAt(Integer lastEmailOpenedAt) {
+            this.lastEmailOpenedAt = Optional.ofNullable(lastEmailOpenedAt);
             return this;
         }
 
-        public Builder iosOsVersion(String iosOsVersion) {
-            this.iosOsVersion = Optional.ofNullable(iosOsVersion);
+        /**
+         * <p>(UNIX timestamp) The time when the contact last opened an email.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "last_email_opened_at", nulls = Nulls.SKIP)
+        public _FinalStage lastEmailOpenedAt(Optional<Integer> lastEmailOpenedAt) {
+            this.lastEmailOpenedAt = lastEmailOpenedAt;
             return this;
         }
 
         /**
-         * <p>The version of the iOS SDK which the contact is using.</p>
+         * <p>(UNIX timestamp) The time when the contact was last messaged.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "ios_sdk_version", nulls = Nulls.SKIP)
-        public Builder iosSdkVersion(Optional<String> iosSdkVersion) {
-            this.iosSdkVersion = iosSdkVersion;
+        @java.lang.Override
+        public _FinalStage lastContactedAt(Integer lastContactedAt) {
+            this.lastContactedAt = Optional.ofNullable(lastContactedAt);
             return this;
         }
 
-        public Builder iosSdkVersion(String iosSdkVersion) {
-            this.iosSdkVersion = Optional.ofNullable(iosSdkVersion);
+        /**
+         * <p>(UNIX timestamp) The time when the contact was last messaged.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "last_contacted_at", nulls = Nulls.SKIP)
+        public _FinalStage lastContactedAt(Optional<Integer> lastContactedAt) {
+            this.lastContactedAt = lastContactedAt;
             return this;
         }
 
         /**
-         * <p>(UNIX timestamp) The last time the contact used the iOS app.</p>
+         * <p>(UNIX timestamp) The time when the contact last messaged in.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "ios_last_seen_at", nulls = Nulls.SKIP)
-        public Builder iosLastSeenAt(Optional<Integer> iosLastSeenAt) {
-            this.iosLastSeenAt = iosLastSeenAt;
+        @java.lang.Override
+        public _FinalStage lastRepliedAt(Integer lastRepliedAt) {
+            this.lastRepliedAt = Optional.ofNullable(lastRepliedAt);
             return this;
         }
 
-        public Builder iosLastSeenAt(Integer iosLastSeenAt) {
-            this.iosLastSeenAt = Optional.ofNullable(iosLastSeenAt);
+        /**
+         * <p>(UNIX timestamp) The time when the contact last messaged in.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "last_replied_at", nulls = Nulls.SKIP)
+        public _FinalStage lastRepliedAt(Optional<Integer> lastRepliedAt) {
+            this.lastRepliedAt = lastRepliedAt;
             return this;
         }
 
         /**
-         * <p>The custom attributes which are set for the contact.</p>
+         * <p>(UNIX timestamp) The time when the contact was last seen (either where the Intercom Messenger was installed or when specified manually).</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "custom_attributes", nulls = Nulls.SKIP)
-        public Builder customAttributes(Optional<Map<String, Object>> customAttributes) {
-            this.customAttributes = customAttributes;
+        @java.lang.Override
+        public _FinalStage lastSeenAt(Integer lastSeenAt) {
+            this.lastSeenAt = Optional.ofNullable(lastSeenAt);
             return this;
         }
 
-        public Builder customAttributes(Map<String, Object> customAttributes) {
-            this.customAttributes = Optional.ofNullable(customAttributes);
+        /**
+         * <p>(UNIX timestamp) The time when the contact was last seen (either where the Intercom Messenger was installed or when specified manually).</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "last_seen_at", nulls = Nulls.SKIP)
+        public _FinalStage lastSeenAt(Optional<Integer> lastSeenAt) {
+            this.lastSeenAt = lastSeenAt;
             return this;
         }
 
         /**
-         * <p>An image URL containing the avatar of a contact.</p>
+         * <p>(UNIX timestamp) The time specified for when a contact signed up.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "avatar", nulls = Nulls.SKIP)
-        public Builder avatar(Optional<String> avatar) {
-            this.avatar = avatar;
+        @java.lang.Override
+        public _FinalStage signedUpAt(Integer signedUpAt) {
+            this.signedUpAt = Optional.ofNullable(signedUpAt);
             return this;
         }
 
-        public Builder avatar(String avatar) {
-            this.avatar = Optional.ofNullable(avatar);
+        /**
+         * <p>(UNIX timestamp) The time specified for when a contact signed up.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "signed_up_at", nulls = Nulls.SKIP)
+        public _FinalStage signedUpAt(Optional<Integer> signedUpAt) {
+            this.signedUpAt = signedUpAt;
             return this;
         }
 
-        @JsonSetter(value = "tags", nulls = Nulls.SKIP)
-        public Builder tags(Optional<ContactTags> tags) {
-            this.tags = tags;
+        /**
+         * <p>The id of an admin that has been assigned account ownership of the contact.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
+         */
+        @java.lang.Override
+        public _FinalStage ownerId(Integer ownerId) {
+            this.ownerId = Optional.ofNullable(ownerId);
             return this;
         }
 
-        public Builder tags(ContactTags tags) {
-            this.tags = Optional.ofNullable(tags);
+        /**
+         * <p>The id of an admin that has been assigned account ownership of the contact.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "owner_id", nulls = Nulls.SKIP)
+        public _FinalStage ownerId(Optional<Integer> ownerId) {
+            this.ownerId = ownerId;
             return this;
         }
 
-        @JsonSetter(value = "notes", nulls = Nulls.SKIP)
-        public Builder notes(Optional<ContactNotes> notes) {
-            this.notes = notes;
+        /**
+         * <p>The contacts name.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
+         */
+        @java.lang.Override
+        public _FinalStage name(String name) {
+            this.name = Optional.ofNullable(name);
             return this;
         }
 
-        public Builder notes(ContactNotes notes) {
-            this.notes = Optional.ofNullable(notes);
+        /**
+         * <p>The contacts name.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "name", nulls = Nulls.SKIP)
+        public _FinalStage name(Optional<String> name) {
+            this.name = name;
             return this;
         }
 
-        @JsonSetter(value = "companies", nulls = Nulls.SKIP)
-        public Builder companies(Optional<ContactCompanies> companies) {
-            this.companies = companies;
+        /**
+         * <p>The contacts phone.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
+         */
+        @java.lang.Override
+        public _FinalStage phone(String phone) {
+            this.phone = Optional.ofNullable(phone);
             return this;
         }
 
-        public Builder companies(ContactCompanies companies) {
-            this.companies = Optional.ofNullable(companies);
+        /**
+         * <p>The contacts phone.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "phone", nulls = Nulls.SKIP)
+        public _FinalStage phone(Optional<String> phone) {
+            this.phone = phone;
             return this;
         }
 
-        @JsonSetter(value = "location", nulls = Nulls.SKIP)
-        public Builder location(Optional<ContactLocation> location) {
-            this.location = location;
+        /**
+         * <p>The contact's email domain.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
+         */
+        @java.lang.Override
+        public _FinalStage emailDomain(String emailDomain) {
+            this.emailDomain = Optional.ofNullable(emailDomain);
             return this;
         }
 
-        public Builder location(ContactLocation location) {
-            this.location = Optional.ofNullable(location);
+        /**
+         * <p>The contact's email domain.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "email_domain", nulls = Nulls.SKIP)
+        public _FinalStage emailDomain(Optional<String> emailDomain) {
+            this.emailDomain = emailDomain;
             return this;
         }
 
-        @JsonSetter(value = "social_profiles", nulls = Nulls.SKIP)
-        public Builder socialProfiles(Optional<ContactSocialProfiles> socialProfiles) {
-            this.socialProfiles = socialProfiles;
+        /**
+         * <p>The contact's email.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
+         */
+        @java.lang.Override
+        public _FinalStage email(String email) {
+            this.email = Optional.ofNullable(email);
             return this;
         }
 
-        public Builder socialProfiles(ContactSocialProfiles socialProfiles) {
-            this.socialProfiles = Optional.ofNullable(socialProfiles);
+        /**
+         * <p>The contact's email.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "email", nulls = Nulls.SKIP)
+        public _FinalStage email(Optional<String> email) {
+            this.email = email;
             return this;
         }
 
         /**
-         * <p>If the user has enabled push messaging.</p>
+         * <p>The unique identifier for the contact which is provided by the Client.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "enabled_push_messaging", nulls = Nulls.SKIP)
-        public Builder enabledPushMessaging(Optional<Boolean> enabledPushMessaging) {
-            this.enabledPushMessaging = enabledPushMessaging;
+        @java.lang.Override
+        public _FinalStage externalId(String externalId) {
+            this.externalId = Optional.ofNullable(externalId);
             return this;
         }
 
-        public Builder enabledPushMessaging(Boolean enabledPushMessaging) {
-            this.enabledPushMessaging = Optional.ofNullable(enabledPushMessaging);
+        /**
+         * <p>The unique identifier for the contact which is provided by the Client.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "external_id", nulls = Nulls.SKIP)
+        public _FinalStage externalId(Optional<String> externalId) {
+            this.externalId = externalId;
             return this;
         }
 
+        @java.lang.Override
         public ContactsCreateResponse build() {
             return new ContactsCreateResponse(
-                    type,
                     id,
                     externalId,
                     workspaceId,
diff --git a/src/main/java/com/intercom/api/resources/contacts/types/ContactsFindResponse.java b/src/main/java/com/intercom/api/resources/contacts/types/ContactsFindResponse.java
index 3d95a6da..6e702b06 100644
--- a/src/main/java/com/intercom/api/resources/contacts/types/ContactsFindResponse.java
+++ b/src/main/java/com/intercom/api/resources/contacts/types/ContactsFindResponse.java
@@ -21,19 +21,18 @@
 import java.util.Map;
 import java.util.Objects;
 import java.util.Optional;
+import org.jetbrains.annotations.NotNull;
 
 @JsonInclude(JsonInclude.Include.NON_ABSENT)
 @JsonDeserialize(builder = ContactsFindResponse.Builder.class)
 public final class ContactsFindResponse implements IContact {
-    private final Optional<String> type;
-
-    private final Optional<String> id;
+    private final String id;
 
     private final Optional<String> externalId;
 
-    private final Optional<String> workspaceId;
+    private final String workspaceId;
 
-    private final Optional<String> role;
+    private final String role;
 
     private final Optional<String> email;
 
@@ -45,15 +44,15 @@ public final class ContactsFindResponse implements IContact {
 
     private final Optional<Integer> ownerId;
 
-    private final Optional<Boolean> hasHardBounced;
+    private final boolean hasHardBounced;
 
-    private final Optional<Boolean> markedEmailAsSpam;
+    private final boolean markedEmailAsSpam;
 
-    private final Optional<Boolean> unsubscribedFromEmails;
+    private final boolean unsubscribedFromEmails;
 
-    private final Optional<Integer> createdAt;
+    private final int createdAt;
 
-    private final Optional<Integer> updatedAt;
+    private final int updatedAt;
 
     private final Optional<Integer> signedUpAt;
 
@@ -120,21 +119,20 @@ public final class ContactsFindResponse implements IContact {
     private final Map<String, Object> additionalProperties;
 
     private ContactsFindResponse(
-            Optional<String> type,
-            Optional<String> id,
+            String id,
             Optional<String> externalId,
-            Optional<String> workspaceId,
-            Optional<String> role,
+            String workspaceId,
+            String role,
             Optional<String> email,
             Optional<String> emailDomain,
             Optional<String> phone,
             Optional<String> name,
             Optional<Integer> ownerId,
-            Optional<Boolean> hasHardBounced,
-            Optional<Boolean> markedEmailAsSpam,
-            Optional<Boolean> unsubscribedFromEmails,
-            Optional<Integer> createdAt,
-            Optional<Integer> updatedAt,
+            boolean hasHardBounced,
+            boolean markedEmailAsSpam,
+            boolean unsubscribedFromEmails,
+            int createdAt,
+            int updatedAt,
             Optional<Integer> signedUpAt,
             Optional<Integer> lastSeenAt,
             Optional<Integer> lastRepliedAt,
@@ -167,7 +165,6 @@ private ContactsFindResponse(
             Optional<ContactSocialProfiles> socialProfiles,
             Optional<Boolean> enabledPushMessaging,
             Map<String, Object> additionalProperties) {
-        this.type = type;
         this.id = id;
         this.externalId = externalId;
         this.workspaceId = workspaceId;
@@ -220,15 +217,15 @@ private ContactsFindResponse(
      * @return The type of object.
      */
     @JsonProperty("type")
-    public Optional<String> getType() {
-        return type;
+    public String getType() {
+        return "contact";
     }
 
     /**
      * @return The unique identifier for the contact which is given by Intercom.
      */
     @JsonProperty("id")
-    public Optional<String> getId() {
+    public String getId() {
         return id;
     }
 
@@ -244,7 +241,7 @@ public Optional<String> getExternalId() {
      * @return The id of the workspace which the contact belongs to.
      */
     @JsonProperty("workspace_id")
-    public Optional<String> getWorkspaceId() {
+    public String getWorkspaceId() {
         return workspaceId;
     }
 
@@ -252,7 +249,7 @@ public Optional<String> getWorkspaceId() {
      * @return The role of the contact.
      */
     @JsonProperty("role")
-    public Optional<String> getRole() {
+    public String getRole() {
         return role;
     }
 
@@ -300,7 +297,7 @@ public Optional<Integer> getOwnerId() {
      * @return Whether the contact has had an email sent to them hard bounce.
      */
     @JsonProperty("has_hard_bounced")
-    public Optional<Boolean> getHasHardBounced() {
+    public boolean getHasHardBounced() {
         return hasHardBounced;
     }
 
@@ -308,7 +305,7 @@ public Optional<Boolean> getHasHardBounced() {
      * @return Whether the contact has marked an email sent to them as spam.
      */
     @JsonProperty("marked_email_as_spam")
-    public Optional<Boolean> getMarkedEmailAsSpam() {
+    public boolean getMarkedEmailAsSpam() {
         return markedEmailAsSpam;
     }
 
@@ -316,7 +313,7 @@ public Optional<Boolean> getMarkedEmailAsSpam() {
      * @return Whether the contact is unsubscribed from emails.
      */
     @JsonProperty("unsubscribed_from_emails")
-    public Optional<Boolean> getUnsubscribedFromEmails() {
+    public boolean getUnsubscribedFromEmails() {
         return unsubscribedFromEmails;
     }
 
@@ -324,7 +321,7 @@ public Optional<Boolean> getUnsubscribedFromEmails() {
      * @return (UNIX timestamp) The time when the contact was created.
      */
     @JsonProperty("created_at")
-    public Optional<Integer> getCreatedAt() {
+    public int getCreatedAt() {
         return createdAt;
     }
 
@@ -332,7 +329,7 @@ public Optional<Integer> getCreatedAt() {
      * @return (UNIX timestamp) The time when the contact was last updated.
      */
     @JsonProperty("updated_at")
-    public Optional<Integer> getUpdatedAt() {
+    public int getUpdatedAt() {
         return updatedAt;
     }
 
@@ -581,8 +578,7 @@ public Map<String, Object> getAdditionalProperties() {
     }
 
     private boolean equalTo(ContactsFindResponse other) {
-        return type.equals(other.type)
-                && id.equals(other.id)
+        return id.equals(other.id)
                 && externalId.equals(other.externalId)
                 && workspaceId.equals(other.workspaceId)
                 && role.equals(other.role)
@@ -591,11 +587,11 @@ private boolean equalTo(ContactsFindResponse other) {
                 && phone.equals(other.phone)
                 && name.equals(other.name)
                 && ownerId.equals(other.ownerId)
-                && hasHardBounced.equals(other.hasHardBounced)
-                && markedEmailAsSpam.equals(other.markedEmailAsSpam)
-                && unsubscribedFromEmails.equals(other.unsubscribedFromEmails)
-                && createdAt.equals(other.createdAt)
-                && updatedAt.equals(other.updatedAt)
+                && hasHardBounced == other.hasHardBounced
+                && markedEmailAsSpam == other.markedEmailAsSpam
+                && unsubscribedFromEmails == other.unsubscribedFromEmails
+                && createdAt == other.createdAt
+                && updatedAt == other.updatedAt
                 && signedUpAt.equals(other.signedUpAt)
                 && lastSeenAt.equals(other.lastSeenAt)
                 && lastRepliedAt.equals(other.lastRepliedAt)
@@ -632,7 +628,6 @@ private boolean equalTo(ContactsFindResponse other) {
     @java.lang.Override
     public int hashCode() {
         return Objects.hash(
-                this.type,
                 this.id,
                 this.externalId,
                 this.workspaceId,
@@ -685,791 +680,1276 @@ public String toString() {
         return ObjectMappers.stringify(this);
     }
 
-    public static Builder builder() {
+    public static IdStage builder() {
         return new Builder();
     }
 
-    @JsonIgnoreProperties(ignoreUnknown = true)
-    public static final class Builder {
-        private Optional<String> type = Optional.empty();
-
-        private Optional<String> id = Optional.empty();
-
-        private Optional<String> externalId = Optional.empty();
-
-        private Optional<String> workspaceId = Optional.empty();
+    public interface IdStage {
+        /**
+         * <p>The unique identifier for the contact which is given by Intercom.</p>
+         */
+        WorkspaceIdStage id(@NotNull String id);
 
-        private Optional<String> role = Optional.empty();
+        Builder from(ContactsFindResponse other);
+    }
 
-        private Optional<String> email = Optional.empty();
+    public interface WorkspaceIdStage {
+        /**
+         * <p>The id of the workspace which the contact belongs to.</p>
+         */
+        RoleStage workspaceId(@NotNull String workspaceId);
+    }
 
-        private Optional<String> emailDomain = Optional.empty();
+    public interface RoleStage {
+        /**
+         * <p>The role of the contact.</p>
+         */
+        HasHardBouncedStage role(@NotNull String role);
+    }
 
-        private Optional<String> phone = Optional.empty();
+    public interface HasHardBouncedStage {
+        /**
+         * <p>Whether the contact has had an email sent to them hard bounce.</p>
+         */
+        MarkedEmailAsSpamStage hasHardBounced(boolean hasHardBounced);
+    }
 
-        private Optional<String> name = Optional.empty();
+    public interface MarkedEmailAsSpamStage {
+        /**
+         * <p>Whether the contact has marked an email sent to them as spam.</p>
+         */
+        UnsubscribedFromEmailsStage markedEmailAsSpam(boolean markedEmailAsSpam);
+    }
 
-        private Optional<Integer> ownerId = Optional.empty();
+    public interface UnsubscribedFromEmailsStage {
+        /**
+         * <p>Whether the contact is unsubscribed from emails.</p>
+         */
+        CreatedAtStage unsubscribedFromEmails(boolean unsubscribedFromEmails);
+    }
 
-        private Optional<Boolean> hasHardBounced = Optional.empty();
+    public interface CreatedAtStage {
+        /**
+         * <p>(UNIX timestamp) The time when the contact was created.</p>
+         */
+        UpdatedAtStage createdAt(int createdAt);
+    }
 
-        private Optional<Boolean> markedEmailAsSpam = Optional.empty();
+    public interface UpdatedAtStage {
+        /**
+         * <p>(UNIX timestamp) The time when the contact was last updated.</p>
+         */
+        _FinalStage updatedAt(int updatedAt);
+    }
 
-        private Optional<Boolean> unsubscribedFromEmails = Optional.empty();
+    public interface _FinalStage {
+        ContactsFindResponse build();
 
-        private Optional<Integer> createdAt = Optional.empty();
+        /**
+         * <p>The unique identifier for the contact which is provided by the Client.</p>
+         */
+        _FinalStage externalId(Optional<String> externalId);
 
-        private Optional<Integer> updatedAt = Optional.empty();
+        _FinalStage externalId(String externalId);
 
-        private Optional<Integer> signedUpAt = Optional.empty();
+        /**
+         * <p>The contact's email.</p>
+         */
+        _FinalStage email(Optional<String> email);
 
-        private Optional<Integer> lastSeenAt = Optional.empty();
+        _FinalStage email(String email);
 
-        private Optional<Integer> lastRepliedAt = Optional.empty();
+        /**
+         * <p>The contact's email domain.</p>
+         */
+        _FinalStage emailDomain(Optional<String> emailDomain);
 
-        private Optional<Integer> lastContactedAt = Optional.empty();
+        _FinalStage emailDomain(String emailDomain);
 
-        private Optional<Integer> lastEmailOpenedAt = Optional.empty();
+        /**
+         * <p>The contacts phone.</p>
+         */
+        _FinalStage phone(Optional<String> phone);
 
-        private Optional<Integer> lastEmailClickedAt = Optional.empty();
+        _FinalStage phone(String phone);
 
-        private Optional<String> languageOverride = Optional.empty();
+        /**
+         * <p>The contacts name.</p>
+         */
+        _FinalStage name(Optional<String> name);
 
-        private Optional<String> browser = Optional.empty();
+        _FinalStage name(String name);
 
-        private Optional<String> browserVersion = Optional.empty();
+        /**
+         * <p>The id of an admin that has been assigned account ownership of the contact.</p>
+         */
+        _FinalStage ownerId(Optional<Integer> ownerId);
 
-        private Optional<String> browserLanguage = Optional.empty();
+        _FinalStage ownerId(Integer ownerId);
 
-        private Optional<String> os = Optional.empty();
+        /**
+         * <p>(UNIX timestamp) The time specified for when a contact signed up.</p>
+         */
+        _FinalStage signedUpAt(Optional<Integer> signedUpAt);
 
-        private Optional<String> androidAppName = Optional.empty();
+        _FinalStage signedUpAt(Integer signedUpAt);
 
-        private Optional<String> androidAppVersion = Optional.empty();
+        /**
+         * <p>(UNIX timestamp) The time when the contact was last seen (either where the Intercom Messenger was installed or when specified manually).</p>
+         */
+        _FinalStage lastSeenAt(Optional<Integer> lastSeenAt);
 
-        private Optional<String> androidDevice = Optional.empty();
+        _FinalStage lastSeenAt(Integer lastSeenAt);
 
-        private Optional<String> androidOsVersion = Optional.empty();
+        /**
+         * <p>(UNIX timestamp) The time when the contact last messaged in.</p>
+         */
+        _FinalStage lastRepliedAt(Optional<Integer> lastRepliedAt);
 
-        private Optional<String> androidSdkVersion = Optional.empty();
+        _FinalStage lastRepliedAt(Integer lastRepliedAt);
 
-        private Optional<Integer> androidLastSeenAt = Optional.empty();
+        /**
+         * <p>(UNIX timestamp) The time when the contact was last messaged.</p>
+         */
+        _FinalStage lastContactedAt(Optional<Integer> lastContactedAt);
 
-        private Optional<String> iosAppName = Optional.empty();
+        _FinalStage lastContactedAt(Integer lastContactedAt);
 
-        private Optional<String> iosAppVersion = Optional.empty();
+        /**
+         * <p>(UNIX timestamp) The time when the contact last opened an email.</p>
+         */
+        _FinalStage lastEmailOpenedAt(Optional<Integer> lastEmailOpenedAt);
 
-        private Optional<String> iosDevice = Optional.empty();
+        _FinalStage lastEmailOpenedAt(Integer lastEmailOpenedAt);
 
-        private Optional<String> iosOsVersion = Optional.empty();
+        /**
+         * <p>(UNIX timestamp) The time when the contact last clicked a link in an email.</p>
+         */
+        _FinalStage lastEmailClickedAt(Optional<Integer> lastEmailClickedAt);
 
-        private Optional<String> iosSdkVersion = Optional.empty();
+        _FinalStage lastEmailClickedAt(Integer lastEmailClickedAt);
 
-        private Optional<Integer> iosLastSeenAt = Optional.empty();
+        /**
+         * <p>A preferred language setting for the contact, used by the Intercom Messenger even if their browser settings change.</p>
+         */
+        _FinalStage languageOverride(Optional<String> languageOverride);
 
-        private Optional<Map<String, Object>> customAttributes = Optional.empty();
+        _FinalStage languageOverride(String languageOverride);
 
-        private Optional<String> avatar = Optional.empty();
+        /**
+         * <p>The name of the browser which the contact is using.</p>
+         */
+        _FinalStage browser(Optional<String> browser);
 
-        private Optional<ContactTags> tags = Optional.empty();
+        _FinalStage browser(String browser);
 
-        private Optional<ContactNotes> notes = Optional.empty();
+        /**
+         * <p>The version of the browser which the contact is using.</p>
+         */
+        _FinalStage browserVersion(Optional<String> browserVersion);
 
-        private Optional<ContactCompanies> companies = Optional.empty();
+        _FinalStage browserVersion(String browserVersion);
 
-        private Optional<ContactLocation> location = Optional.empty();
+        /**
+         * <p>The language set by the browser which the contact is using.</p>
+         */
+        _FinalStage browserLanguage(Optional<String> browserLanguage);
 
-        private Optional<ContactSocialProfiles> socialProfiles = Optional.empty();
+        _FinalStage browserLanguage(String browserLanguage);
 
-        private Optional<Boolean> enabledPushMessaging = Optional.empty();
+        /**
+         * <p>The operating system which the contact is using.</p>
+         */
+        _FinalStage os(Optional<String> os);
 
-        @JsonAnySetter
-        private Map<String, Object> additionalProperties = new HashMap<>();
+        _FinalStage os(String os);
 
-        private Builder() {}
+        /**
+         * <p>The name of the Android app which the contact is using.</p>
+         */
+        _FinalStage androidAppName(Optional<String> androidAppName);
 
-        public Builder from(ContactsFindResponse other) {
-            type(other.getType());
-            id(other.getId());
-            externalId(other.getExternalId());
-            workspaceId(other.getWorkspaceId());
-            role(other.getRole());
-            email(other.getEmail());
-            emailDomain(other.getEmailDomain());
-            phone(other.getPhone());
-            name(other.getName());
-            ownerId(other.getOwnerId());
-            hasHardBounced(other.getHasHardBounced());
-            markedEmailAsSpam(other.getMarkedEmailAsSpam());
-            unsubscribedFromEmails(other.getUnsubscribedFromEmails());
-            createdAt(other.getCreatedAt());
-            updatedAt(other.getUpdatedAt());
-            signedUpAt(other.getSignedUpAt());
-            lastSeenAt(other.getLastSeenAt());
-            lastRepliedAt(other.getLastRepliedAt());
-            lastContactedAt(other.getLastContactedAt());
-            lastEmailOpenedAt(other.getLastEmailOpenedAt());
-            lastEmailClickedAt(other.getLastEmailClickedAt());
-            languageOverride(other.getLanguageOverride());
-            browser(other.getBrowser());
-            browserVersion(other.getBrowserVersion());
-            browserLanguage(other.getBrowserLanguage());
-            os(other.getOs());
-            androidAppName(other.getAndroidAppName());
-            androidAppVersion(other.getAndroidAppVersion());
-            androidDevice(other.getAndroidDevice());
-            androidOsVersion(other.getAndroidOsVersion());
-            androidSdkVersion(other.getAndroidSdkVersion());
-            androidLastSeenAt(other.getAndroidLastSeenAt());
-            iosAppName(other.getIosAppName());
-            iosAppVersion(other.getIosAppVersion());
-            iosDevice(other.getIosDevice());
-            iosOsVersion(other.getIosOsVersion());
-            iosSdkVersion(other.getIosSdkVersion());
-            iosLastSeenAt(other.getIosLastSeenAt());
-            customAttributes(other.getCustomAttributes());
-            avatar(other.getAvatar());
-            tags(other.getTags());
-            notes(other.getNotes());
-            companies(other.getCompanies());
-            location(other.getLocation());
-            socialProfiles(other.getSocialProfiles());
-            enabledPushMessaging(other.getEnabledPushMessaging());
-            return this;
-        }
+        _FinalStage androidAppName(String androidAppName);
 
         /**
-         * <p>The type of object.</p>
+         * <p>The version of the Android app which the contact is using.</p>
          */
-        @JsonSetter(value = "type", nulls = Nulls.SKIP)
-        public Builder type(Optional<String> type) {
-            this.type = type;
-            return this;
-        }
+        _FinalStage androidAppVersion(Optional<String> androidAppVersion);
 
-        public Builder type(String type) {
-            this.type = Optional.ofNullable(type);
-            return this;
-        }
+        _FinalStage androidAppVersion(String androidAppVersion);
 
         /**
-         * <p>The unique identifier for the contact which is given by Intercom.</p>
+         * <p>The Android device which the contact is using.</p>
          */
-        @JsonSetter(value = "id", nulls = Nulls.SKIP)
-        public Builder id(Optional<String> id) {
-            this.id = id;
-            return this;
-        }
+        _FinalStage androidDevice(Optional<String> androidDevice);
 
-        public Builder id(String id) {
-            this.id = Optional.ofNullable(id);
-            return this;
-        }
+        _FinalStage androidDevice(String androidDevice);
 
         /**
-         * <p>The unique identifier for the contact which is provided by the Client.</p>
+         * <p>The version of the Android OS which the contact is using.</p>
          */
-        @JsonSetter(value = "external_id", nulls = Nulls.SKIP)
-        public Builder externalId(Optional<String> externalId) {
-            this.externalId = externalId;
-            return this;
-        }
+        _FinalStage androidOsVersion(Optional<String> androidOsVersion);
 
-        public Builder externalId(String externalId) {
-            this.externalId = Optional.ofNullable(externalId);
-            return this;
-        }
+        _FinalStage androidOsVersion(String androidOsVersion);
 
         /**
-         * <p>The id of the workspace which the contact belongs to.</p>
+         * <p>The version of the Android SDK which the contact is using.</p>
          */
-        @JsonSetter(value = "workspace_id", nulls = Nulls.SKIP)
-        public Builder workspaceId(Optional<String> workspaceId) {
-            this.workspaceId = workspaceId;
-            return this;
-        }
+        _FinalStage androidSdkVersion(Optional<String> androidSdkVersion);
 
-        public Builder workspaceId(String workspaceId) {
-            this.workspaceId = Optional.ofNullable(workspaceId);
-            return this;
-        }
+        _FinalStage androidSdkVersion(String androidSdkVersion);
 
         /**
-         * <p>The role of the contact.</p>
+         * <p>(UNIX timestamp) The time when the contact was last seen on an Android device.</p>
          */
-        @JsonSetter(value = "role", nulls = Nulls.SKIP)
-        public Builder role(Optional<String> role) {
-            this.role = role;
-            return this;
-        }
+        _FinalStage androidLastSeenAt(Optional<Integer> androidLastSeenAt);
 
-        public Builder role(String role) {
-            this.role = Optional.ofNullable(role);
-            return this;
-        }
+        _FinalStage androidLastSeenAt(Integer androidLastSeenAt);
 
         /**
-         * <p>The contact's email.</p>
+         * <p>The name of the iOS app which the contact is using.</p>
          */
-        @JsonSetter(value = "email", nulls = Nulls.SKIP)
-        public Builder email(Optional<String> email) {
-            this.email = email;
-            return this;
-        }
+        _FinalStage iosAppName(Optional<String> iosAppName);
 
-        public Builder email(String email) {
-            this.email = Optional.ofNullable(email);
-            return this;
-        }
+        _FinalStage iosAppName(String iosAppName);
 
         /**
-         * <p>The contact's email domain.</p>
+         * <p>The version of the iOS app which the contact is using.</p>
          */
-        @JsonSetter(value = "email_domain", nulls = Nulls.SKIP)
-        public Builder emailDomain(Optional<String> emailDomain) {
-            this.emailDomain = emailDomain;
-            return this;
-        }
+        _FinalStage iosAppVersion(Optional<String> iosAppVersion);
 
-        public Builder emailDomain(String emailDomain) {
-            this.emailDomain = Optional.ofNullable(emailDomain);
-            return this;
-        }
+        _FinalStage iosAppVersion(String iosAppVersion);
 
         /**
-         * <p>The contacts phone.</p>
+         * <p>The iOS device which the contact is using.</p>
          */
-        @JsonSetter(value = "phone", nulls = Nulls.SKIP)
-        public Builder phone(Optional<String> phone) {
-            this.phone = phone;
-            return this;
-        }
+        _FinalStage iosDevice(Optional<String> iosDevice);
 
-        public Builder phone(String phone) {
-            this.phone = Optional.ofNullable(phone);
-            return this;
-        }
+        _FinalStage iosDevice(String iosDevice);
 
         /**
-         * <p>The contacts name.</p>
+         * <p>The version of iOS which the contact is using.</p>
          */
-        @JsonSetter(value = "name", nulls = Nulls.SKIP)
-        public Builder name(Optional<String> name) {
-            this.name = name;
-            return this;
-        }
+        _FinalStage iosOsVersion(Optional<String> iosOsVersion);
 
-        public Builder name(String name) {
-            this.name = Optional.ofNullable(name);
-            return this;
-        }
+        _FinalStage iosOsVersion(String iosOsVersion);
 
         /**
-         * <p>The id of an admin that has been assigned account ownership of the contact.</p>
+         * <p>The version of the iOS SDK which the contact is using.</p>
          */
-        @JsonSetter(value = "owner_id", nulls = Nulls.SKIP)
-        public Builder ownerId(Optional<Integer> ownerId) {
-            this.ownerId = ownerId;
-            return this;
-        }
+        _FinalStage iosSdkVersion(Optional<String> iosSdkVersion);
 
-        public Builder ownerId(Integer ownerId) {
-            this.ownerId = Optional.ofNullable(ownerId);
-            return this;
-        }
+        _FinalStage iosSdkVersion(String iosSdkVersion);
 
         /**
-         * <p>Whether the contact has had an email sent to them hard bounce.</p>
+         * <p>(UNIX timestamp) The last time the contact used the iOS app.</p>
          */
-        @JsonSetter(value = "has_hard_bounced", nulls = Nulls.SKIP)
-        public Builder hasHardBounced(Optional<Boolean> hasHardBounced) {
-            this.hasHardBounced = hasHardBounced;
+        _FinalStage iosLastSeenAt(Optional<Integer> iosLastSeenAt);
+
+        _FinalStage iosLastSeenAt(Integer iosLastSeenAt);
+
+        /**
+         * <p>The custom attributes which are set for the contact.</p>
+         */
+        _FinalStage customAttributes(Optional<Map<String, Object>> customAttributes);
+
+        _FinalStage customAttributes(Map<String, Object> customAttributes);
+
+        /**
+         * <p>An image URL containing the avatar of a contact.</p>
+         */
+        _FinalStage avatar(Optional<String> avatar);
+
+        _FinalStage avatar(String avatar);
+
+        _FinalStage tags(Optional<ContactTags> tags);
+
+        _FinalStage tags(ContactTags tags);
+
+        _FinalStage notes(Optional<ContactNotes> notes);
+
+        _FinalStage notes(ContactNotes notes);
+
+        _FinalStage companies(Optional<ContactCompanies> companies);
+
+        _FinalStage companies(ContactCompanies companies);
+
+        _FinalStage location(Optional<ContactLocation> location);
+
+        _FinalStage location(ContactLocation location);
+
+        _FinalStage socialProfiles(Optional<ContactSocialProfiles> socialProfiles);
+
+        _FinalStage socialProfiles(ContactSocialProfiles socialProfiles);
+
+        /**
+         * <p>If the user has enabled push messaging.</p>
+         */
+        _FinalStage enabledPushMessaging(Optional<Boolean> enabledPushMessaging);
+
+        _FinalStage enabledPushMessaging(Boolean enabledPushMessaging);
+    }
+
+    @JsonIgnoreProperties(ignoreUnknown = true)
+    public static final class Builder
+            implements IdStage,
+                    WorkspaceIdStage,
+                    RoleStage,
+                    HasHardBouncedStage,
+                    MarkedEmailAsSpamStage,
+                    UnsubscribedFromEmailsStage,
+                    CreatedAtStage,
+                    UpdatedAtStage,
+                    _FinalStage {
+        private String id;
+
+        private String workspaceId;
+
+        private String role;
+
+        private boolean hasHardBounced;
+
+        private boolean markedEmailAsSpam;
+
+        private boolean unsubscribedFromEmails;
+
+        private int createdAt;
+
+        private int updatedAt;
+
+        private Optional<Boolean> enabledPushMessaging = Optional.empty();
+
+        private Optional<ContactSocialProfiles> socialProfiles = Optional.empty();
+
+        private Optional<ContactLocation> location = Optional.empty();
+
+        private Optional<ContactCompanies> companies = Optional.empty();
+
+        private Optional<ContactNotes> notes = Optional.empty();
+
+        private Optional<ContactTags> tags = Optional.empty();
+
+        private Optional<String> avatar = Optional.empty();
+
+        private Optional<Map<String, Object>> customAttributes = Optional.empty();
+
+        private Optional<Integer> iosLastSeenAt = Optional.empty();
+
+        private Optional<String> iosSdkVersion = Optional.empty();
+
+        private Optional<String> iosOsVersion = Optional.empty();
+
+        private Optional<String> iosDevice = Optional.empty();
+
+        private Optional<String> iosAppVersion = Optional.empty();
+
+        private Optional<String> iosAppName = Optional.empty();
+
+        private Optional<Integer> androidLastSeenAt = Optional.empty();
+
+        private Optional<String> androidSdkVersion = Optional.empty();
+
+        private Optional<String> androidOsVersion = Optional.empty();
+
+        private Optional<String> androidDevice = Optional.empty();
+
+        private Optional<String> androidAppVersion = Optional.empty();
+
+        private Optional<String> androidAppName = Optional.empty();
+
+        private Optional<String> os = Optional.empty();
+
+        private Optional<String> browserLanguage = Optional.empty();
+
+        private Optional<String> browserVersion = Optional.empty();
+
+        private Optional<String> browser = Optional.empty();
+
+        private Optional<String> languageOverride = Optional.empty();
+
+        private Optional<Integer> lastEmailClickedAt = Optional.empty();
+
+        private Optional<Integer> lastEmailOpenedAt = Optional.empty();
+
+        private Optional<Integer> lastContactedAt = Optional.empty();
+
+        private Optional<Integer> lastRepliedAt = Optional.empty();
+
+        private Optional<Integer> lastSeenAt = Optional.empty();
+
+        private Optional<Integer> signedUpAt = Optional.empty();
+
+        private Optional<Integer> ownerId = Optional.empty();
+
+        private Optional<String> name = Optional.empty();
+
+        private Optional<String> phone = Optional.empty();
+
+        private Optional<String> emailDomain = Optional.empty();
+
+        private Optional<String> email = Optional.empty();
+
+        private Optional<String> externalId = Optional.empty();
+
+        @JsonAnySetter
+        private Map<String, Object> additionalProperties = new HashMap<>();
+
+        private Builder() {}
+
+        @java.lang.Override
+        public Builder from(ContactsFindResponse other) {
+            id(other.getId());
+            externalId(other.getExternalId());
+            workspaceId(other.getWorkspaceId());
+            role(other.getRole());
+            email(other.getEmail());
+            emailDomain(other.getEmailDomain());
+            phone(other.getPhone());
+            name(other.getName());
+            ownerId(other.getOwnerId());
+            hasHardBounced(other.getHasHardBounced());
+            markedEmailAsSpam(other.getMarkedEmailAsSpam());
+            unsubscribedFromEmails(other.getUnsubscribedFromEmails());
+            createdAt(other.getCreatedAt());
+            updatedAt(other.getUpdatedAt());
+            signedUpAt(other.getSignedUpAt());
+            lastSeenAt(other.getLastSeenAt());
+            lastRepliedAt(other.getLastRepliedAt());
+            lastContactedAt(other.getLastContactedAt());
+            lastEmailOpenedAt(other.getLastEmailOpenedAt());
+            lastEmailClickedAt(other.getLastEmailClickedAt());
+            languageOverride(other.getLanguageOverride());
+            browser(other.getBrowser());
+            browserVersion(other.getBrowserVersion());
+            browserLanguage(other.getBrowserLanguage());
+            os(other.getOs());
+            androidAppName(other.getAndroidAppName());
+            androidAppVersion(other.getAndroidAppVersion());
+            androidDevice(other.getAndroidDevice());
+            androidOsVersion(other.getAndroidOsVersion());
+            androidSdkVersion(other.getAndroidSdkVersion());
+            androidLastSeenAt(other.getAndroidLastSeenAt());
+            iosAppName(other.getIosAppName());
+            iosAppVersion(other.getIosAppVersion());
+            iosDevice(other.getIosDevice());
+            iosOsVersion(other.getIosOsVersion());
+            iosSdkVersion(other.getIosSdkVersion());
+            iosLastSeenAt(other.getIosLastSeenAt());
+            customAttributes(other.getCustomAttributes());
+            avatar(other.getAvatar());
+            tags(other.getTags());
+            notes(other.getNotes());
+            companies(other.getCompanies());
+            location(other.getLocation());
+            socialProfiles(other.getSocialProfiles());
+            enabledPushMessaging(other.getEnabledPushMessaging());
             return this;
         }
 
-        public Builder hasHardBounced(Boolean hasHardBounced) {
-            this.hasHardBounced = Optional.ofNullable(hasHardBounced);
+        /**
+         * <p>The unique identifier for the contact which is given by Intercom.</p>
+         * <p>The unique identifier for the contact which is given by Intercom.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
+         */
+        @java.lang.Override
+        @JsonSetter("id")
+        public WorkspaceIdStage id(@NotNull String id) {
+            this.id = Objects.requireNonNull(id, "id must not be null");
             return this;
         }
 
         /**
-         * <p>Whether the contact has marked an email sent to them as spam.</p>
+         * <p>The id of the workspace which the contact belongs to.</p>
+         * <p>The id of the workspace which the contact belongs to.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "marked_email_as_spam", nulls = Nulls.SKIP)
-        public Builder markedEmailAsSpam(Optional<Boolean> markedEmailAsSpam) {
-            this.markedEmailAsSpam = markedEmailAsSpam;
+        @java.lang.Override
+        @JsonSetter("workspace_id")
+        public RoleStage workspaceId(@NotNull String workspaceId) {
+            this.workspaceId = Objects.requireNonNull(workspaceId, "workspaceId must not be null");
             return this;
         }
 
-        public Builder markedEmailAsSpam(Boolean markedEmailAsSpam) {
-            this.markedEmailAsSpam = Optional.ofNullable(markedEmailAsSpam);
+        /**
+         * <p>The role of the contact.</p>
+         * <p>The role of the contact.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
+         */
+        @java.lang.Override
+        @JsonSetter("role")
+        public HasHardBouncedStage role(@NotNull String role) {
+            this.role = Objects.requireNonNull(role, "role must not be null");
             return this;
         }
 
         /**
-         * <p>Whether the contact is unsubscribed from emails.</p>
+         * <p>Whether the contact has had an email sent to them hard bounce.</p>
+         * <p>Whether the contact has had an email sent to them hard bounce.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "unsubscribed_from_emails", nulls = Nulls.SKIP)
-        public Builder unsubscribedFromEmails(Optional<Boolean> unsubscribedFromEmails) {
-            this.unsubscribedFromEmails = unsubscribedFromEmails;
+        @java.lang.Override
+        @JsonSetter("has_hard_bounced")
+        public MarkedEmailAsSpamStage hasHardBounced(boolean hasHardBounced) {
+            this.hasHardBounced = hasHardBounced;
             return this;
         }
 
-        public Builder unsubscribedFromEmails(Boolean unsubscribedFromEmails) {
-            this.unsubscribedFromEmails = Optional.ofNullable(unsubscribedFromEmails);
+        /**
+         * <p>Whether the contact has marked an email sent to them as spam.</p>
+         * <p>Whether the contact has marked an email sent to them as spam.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
+         */
+        @java.lang.Override
+        @JsonSetter("marked_email_as_spam")
+        public UnsubscribedFromEmailsStage markedEmailAsSpam(boolean markedEmailAsSpam) {
+            this.markedEmailAsSpam = markedEmailAsSpam;
             return this;
         }
 
         /**
-         * <p>(UNIX timestamp) The time when the contact was created.</p>
+         * <p>Whether the contact is unsubscribed from emails.</p>
+         * <p>Whether the contact is unsubscribed from emails.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "created_at", nulls = Nulls.SKIP)
-        public Builder createdAt(Optional<Integer> createdAt) {
-            this.createdAt = createdAt;
+        @java.lang.Override
+        @JsonSetter("unsubscribed_from_emails")
+        public CreatedAtStage unsubscribedFromEmails(boolean unsubscribedFromEmails) {
+            this.unsubscribedFromEmails = unsubscribedFromEmails;
             return this;
         }
 
-        public Builder createdAt(Integer createdAt) {
-            this.createdAt = Optional.ofNullable(createdAt);
+        /**
+         * <p>(UNIX timestamp) The time when the contact was created.</p>
+         * <p>(UNIX timestamp) The time when the contact was created.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
+         */
+        @java.lang.Override
+        @JsonSetter("created_at")
+        public UpdatedAtStage createdAt(int createdAt) {
+            this.createdAt = createdAt;
             return this;
         }
 
         /**
          * <p>(UNIX timestamp) The time when the contact was last updated.</p>
+         * <p>(UNIX timestamp) The time when the contact was last updated.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "updated_at", nulls = Nulls.SKIP)
-        public Builder updatedAt(Optional<Integer> updatedAt) {
+        @java.lang.Override
+        @JsonSetter("updated_at")
+        public _FinalStage updatedAt(int updatedAt) {
             this.updatedAt = updatedAt;
             return this;
         }
 
-        public Builder updatedAt(Integer updatedAt) {
-            this.updatedAt = Optional.ofNullable(updatedAt);
+        /**
+         * <p>If the user has enabled push messaging.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
+         */
+        @java.lang.Override
+        public _FinalStage enabledPushMessaging(Boolean enabledPushMessaging) {
+            this.enabledPushMessaging = Optional.ofNullable(enabledPushMessaging);
             return this;
         }
 
         /**
-         * <p>(UNIX timestamp) The time specified for when a contact signed up.</p>
+         * <p>If the user has enabled push messaging.</p>
          */
-        @JsonSetter(value = "signed_up_at", nulls = Nulls.SKIP)
-        public Builder signedUpAt(Optional<Integer> signedUpAt) {
-            this.signedUpAt = signedUpAt;
+        @java.lang.Override
+        @JsonSetter(value = "enabled_push_messaging", nulls = Nulls.SKIP)
+        public _FinalStage enabledPushMessaging(Optional<Boolean> enabledPushMessaging) {
+            this.enabledPushMessaging = enabledPushMessaging;
             return this;
         }
 
-        public Builder signedUpAt(Integer signedUpAt) {
-            this.signedUpAt = Optional.ofNullable(signedUpAt);
+        @java.lang.Override
+        public _FinalStage socialProfiles(ContactSocialProfiles socialProfiles) {
+            this.socialProfiles = Optional.ofNullable(socialProfiles);
+            return this;
+        }
+
+        @java.lang.Override
+        @JsonSetter(value = "social_profiles", nulls = Nulls.SKIP)
+        public _FinalStage socialProfiles(Optional<ContactSocialProfiles> socialProfiles) {
+            this.socialProfiles = socialProfiles;
+            return this;
+        }
+
+        @java.lang.Override
+        public _FinalStage location(ContactLocation location) {
+            this.location = Optional.ofNullable(location);
+            return this;
+        }
+
+        @java.lang.Override
+        @JsonSetter(value = "location", nulls = Nulls.SKIP)
+        public _FinalStage location(Optional<ContactLocation> location) {
+            this.location = location;
+            return this;
+        }
+
+        @java.lang.Override
+        public _FinalStage companies(ContactCompanies companies) {
+            this.companies = Optional.ofNullable(companies);
+            return this;
+        }
+
+        @java.lang.Override
+        @JsonSetter(value = "companies", nulls = Nulls.SKIP)
+        public _FinalStage companies(Optional<ContactCompanies> companies) {
+            this.companies = companies;
+            return this;
+        }
+
+        @java.lang.Override
+        public _FinalStage notes(ContactNotes notes) {
+            this.notes = Optional.ofNullable(notes);
+            return this;
+        }
+
+        @java.lang.Override
+        @JsonSetter(value = "notes", nulls = Nulls.SKIP)
+        public _FinalStage notes(Optional<ContactNotes> notes) {
+            this.notes = notes;
+            return this;
+        }
+
+        @java.lang.Override
+        public _FinalStage tags(ContactTags tags) {
+            this.tags = Optional.ofNullable(tags);
+            return this;
+        }
+
+        @java.lang.Override
+        @JsonSetter(value = "tags", nulls = Nulls.SKIP)
+        public _FinalStage tags(Optional<ContactTags> tags) {
+            this.tags = tags;
             return this;
         }
 
         /**
-         * <p>(UNIX timestamp) The time when the contact was last seen (either where the Intercom Messenger was installed or when specified manually).</p>
+         * <p>An image URL containing the avatar of a contact.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "last_seen_at", nulls = Nulls.SKIP)
-        public Builder lastSeenAt(Optional<Integer> lastSeenAt) {
-            this.lastSeenAt = lastSeenAt;
+        @java.lang.Override
+        public _FinalStage avatar(String avatar) {
+            this.avatar = Optional.ofNullable(avatar);
             return this;
         }
 
-        public Builder lastSeenAt(Integer lastSeenAt) {
-            this.lastSeenAt = Optional.ofNullable(lastSeenAt);
+        /**
+         * <p>An image URL containing the avatar of a contact.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "avatar", nulls = Nulls.SKIP)
+        public _FinalStage avatar(Optional<String> avatar) {
+            this.avatar = avatar;
             return this;
         }
 
         /**
-         * <p>(UNIX timestamp) The time when the contact last messaged in.</p>
+         * <p>The custom attributes which are set for the contact.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "last_replied_at", nulls = Nulls.SKIP)
-        public Builder lastRepliedAt(Optional<Integer> lastRepliedAt) {
-            this.lastRepliedAt = lastRepliedAt;
+        @java.lang.Override
+        public _FinalStage customAttributes(Map<String, Object> customAttributes) {
+            this.customAttributes = Optional.ofNullable(customAttributes);
             return this;
         }
 
-        public Builder lastRepliedAt(Integer lastRepliedAt) {
-            this.lastRepliedAt = Optional.ofNullable(lastRepliedAt);
+        /**
+         * <p>The custom attributes which are set for the contact.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "custom_attributes", nulls = Nulls.SKIP)
+        public _FinalStage customAttributes(Optional<Map<String, Object>> customAttributes) {
+            this.customAttributes = customAttributes;
             return this;
         }
 
         /**
-         * <p>(UNIX timestamp) The time when the contact was last messaged.</p>
+         * <p>(UNIX timestamp) The last time the contact used the iOS app.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "last_contacted_at", nulls = Nulls.SKIP)
-        public Builder lastContactedAt(Optional<Integer> lastContactedAt) {
-            this.lastContactedAt = lastContactedAt;
+        @java.lang.Override
+        public _FinalStage iosLastSeenAt(Integer iosLastSeenAt) {
+            this.iosLastSeenAt = Optional.ofNullable(iosLastSeenAt);
             return this;
         }
 
-        public Builder lastContactedAt(Integer lastContactedAt) {
-            this.lastContactedAt = Optional.ofNullable(lastContactedAt);
+        /**
+         * <p>(UNIX timestamp) The last time the contact used the iOS app.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "ios_last_seen_at", nulls = Nulls.SKIP)
+        public _FinalStage iosLastSeenAt(Optional<Integer> iosLastSeenAt) {
+            this.iosLastSeenAt = iosLastSeenAt;
             return this;
         }
 
         /**
-         * <p>(UNIX timestamp) The time when the contact last opened an email.</p>
+         * <p>The version of the iOS SDK which the contact is using.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "last_email_opened_at", nulls = Nulls.SKIP)
-        public Builder lastEmailOpenedAt(Optional<Integer> lastEmailOpenedAt) {
-            this.lastEmailOpenedAt = lastEmailOpenedAt;
+        @java.lang.Override
+        public _FinalStage iosSdkVersion(String iosSdkVersion) {
+            this.iosSdkVersion = Optional.ofNullable(iosSdkVersion);
             return this;
         }
 
-        public Builder lastEmailOpenedAt(Integer lastEmailOpenedAt) {
-            this.lastEmailOpenedAt = Optional.ofNullable(lastEmailOpenedAt);
+        /**
+         * <p>The version of the iOS SDK which the contact is using.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "ios_sdk_version", nulls = Nulls.SKIP)
+        public _FinalStage iosSdkVersion(Optional<String> iosSdkVersion) {
+            this.iosSdkVersion = iosSdkVersion;
             return this;
         }
 
         /**
-         * <p>(UNIX timestamp) The time when the contact last clicked a link in an email.</p>
+         * <p>The version of iOS which the contact is using.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "last_email_clicked_at", nulls = Nulls.SKIP)
-        public Builder lastEmailClickedAt(Optional<Integer> lastEmailClickedAt) {
-            this.lastEmailClickedAt = lastEmailClickedAt;
+        @java.lang.Override
+        public _FinalStage iosOsVersion(String iosOsVersion) {
+            this.iosOsVersion = Optional.ofNullable(iosOsVersion);
             return this;
         }
 
-        public Builder lastEmailClickedAt(Integer lastEmailClickedAt) {
-            this.lastEmailClickedAt = Optional.ofNullable(lastEmailClickedAt);
+        /**
+         * <p>The version of iOS which the contact is using.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "ios_os_version", nulls = Nulls.SKIP)
+        public _FinalStage iosOsVersion(Optional<String> iosOsVersion) {
+            this.iosOsVersion = iosOsVersion;
             return this;
         }
 
         /**
-         * <p>A preferred language setting for the contact, used by the Intercom Messenger even if their browser settings change.</p>
+         * <p>The iOS device which the contact is using.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "language_override", nulls = Nulls.SKIP)
-        public Builder languageOverride(Optional<String> languageOverride) {
-            this.languageOverride = languageOverride;
+        @java.lang.Override
+        public _FinalStage iosDevice(String iosDevice) {
+            this.iosDevice = Optional.ofNullable(iosDevice);
             return this;
         }
 
-        public Builder languageOverride(String languageOverride) {
-            this.languageOverride = Optional.ofNullable(languageOverride);
+        /**
+         * <p>The iOS device which the contact is using.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "ios_device", nulls = Nulls.SKIP)
+        public _FinalStage iosDevice(Optional<String> iosDevice) {
+            this.iosDevice = iosDevice;
             return this;
         }
 
         /**
-         * <p>The name of the browser which the contact is using.</p>
+         * <p>The version of the iOS app which the contact is using.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "browser", nulls = Nulls.SKIP)
-        public Builder browser(Optional<String> browser) {
-            this.browser = browser;
+        @java.lang.Override
+        public _FinalStage iosAppVersion(String iosAppVersion) {
+            this.iosAppVersion = Optional.ofNullable(iosAppVersion);
+            return this;
+        }
+
+        /**
+         * <p>The version of the iOS app which the contact is using.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "ios_app_version", nulls = Nulls.SKIP)
+        public _FinalStage iosAppVersion(Optional<String> iosAppVersion) {
+            this.iosAppVersion = iosAppVersion;
+            return this;
+        }
+
+        /**
+         * <p>The name of the iOS app which the contact is using.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
+         */
+        @java.lang.Override
+        public _FinalStage iosAppName(String iosAppName) {
+            this.iosAppName = Optional.ofNullable(iosAppName);
+            return this;
+        }
+
+        /**
+         * <p>The name of the iOS app which the contact is using.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "ios_app_name", nulls = Nulls.SKIP)
+        public _FinalStage iosAppName(Optional<String> iosAppName) {
+            this.iosAppName = iosAppName;
             return this;
         }
 
-        public Builder browser(String browser) {
-            this.browser = Optional.ofNullable(browser);
+        /**
+         * <p>(UNIX timestamp) The time when the contact was last seen on an Android device.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
+         */
+        @java.lang.Override
+        public _FinalStage androidLastSeenAt(Integer androidLastSeenAt) {
+            this.androidLastSeenAt = Optional.ofNullable(androidLastSeenAt);
             return this;
         }
 
         /**
-         * <p>The version of the browser which the contact is using.</p>
+         * <p>(UNIX timestamp) The time when the contact was last seen on an Android device.</p>
          */
-        @JsonSetter(value = "browser_version", nulls = Nulls.SKIP)
-        public Builder browserVersion(Optional<String> browserVersion) {
-            this.browserVersion = browserVersion;
+        @java.lang.Override
+        @JsonSetter(value = "android_last_seen_at", nulls = Nulls.SKIP)
+        public _FinalStage androidLastSeenAt(Optional<Integer> androidLastSeenAt) {
+            this.androidLastSeenAt = androidLastSeenAt;
             return this;
         }
 
-        public Builder browserVersion(String browserVersion) {
-            this.browserVersion = Optional.ofNullable(browserVersion);
+        /**
+         * <p>The version of the Android SDK which the contact is using.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
+         */
+        @java.lang.Override
+        public _FinalStage androidSdkVersion(String androidSdkVersion) {
+            this.androidSdkVersion = Optional.ofNullable(androidSdkVersion);
             return this;
         }
 
         /**
-         * <p>The language set by the browser which the contact is using.</p>
+         * <p>The version of the Android SDK which the contact is using.</p>
          */
-        @JsonSetter(value = "browser_language", nulls = Nulls.SKIP)
-        public Builder browserLanguage(Optional<String> browserLanguage) {
-            this.browserLanguage = browserLanguage;
+        @java.lang.Override
+        @JsonSetter(value = "android_sdk_version", nulls = Nulls.SKIP)
+        public _FinalStage androidSdkVersion(Optional<String> androidSdkVersion) {
+            this.androidSdkVersion = androidSdkVersion;
             return this;
         }
 
-        public Builder browserLanguage(String browserLanguage) {
-            this.browserLanguage = Optional.ofNullable(browserLanguage);
+        /**
+         * <p>The version of the Android OS which the contact is using.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
+         */
+        @java.lang.Override
+        public _FinalStage androidOsVersion(String androidOsVersion) {
+            this.androidOsVersion = Optional.ofNullable(androidOsVersion);
             return this;
         }
 
         /**
-         * <p>The operating system which the contact is using.</p>
+         * <p>The version of the Android OS which the contact is using.</p>
          */
-        @JsonSetter(value = "os", nulls = Nulls.SKIP)
-        public Builder os(Optional<String> os) {
-            this.os = os;
+        @java.lang.Override
+        @JsonSetter(value = "android_os_version", nulls = Nulls.SKIP)
+        public _FinalStage androidOsVersion(Optional<String> androidOsVersion) {
+            this.androidOsVersion = androidOsVersion;
             return this;
         }
 
-        public Builder os(String os) {
-            this.os = Optional.ofNullable(os);
+        /**
+         * <p>The Android device which the contact is using.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
+         */
+        @java.lang.Override
+        public _FinalStage androidDevice(String androidDevice) {
+            this.androidDevice = Optional.ofNullable(androidDevice);
             return this;
         }
 
         /**
-         * <p>The name of the Android app which the contact is using.</p>
+         * <p>The Android device which the contact is using.</p>
          */
-        @JsonSetter(value = "android_app_name", nulls = Nulls.SKIP)
-        public Builder androidAppName(Optional<String> androidAppName) {
-            this.androidAppName = androidAppName;
+        @java.lang.Override
+        @JsonSetter(value = "android_device", nulls = Nulls.SKIP)
+        public _FinalStage androidDevice(Optional<String> androidDevice) {
+            this.androidDevice = androidDevice;
             return this;
         }
 
-        public Builder androidAppName(String androidAppName) {
-            this.androidAppName = Optional.ofNullable(androidAppName);
+        /**
+         * <p>The version of the Android app which the contact is using.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
+         */
+        @java.lang.Override
+        public _FinalStage androidAppVersion(String androidAppVersion) {
+            this.androidAppVersion = Optional.ofNullable(androidAppVersion);
             return this;
         }
 
         /**
          * <p>The version of the Android app which the contact is using.</p>
          */
+        @java.lang.Override
         @JsonSetter(value = "android_app_version", nulls = Nulls.SKIP)
-        public Builder androidAppVersion(Optional<String> androidAppVersion) {
+        public _FinalStage androidAppVersion(Optional<String> androidAppVersion) {
             this.androidAppVersion = androidAppVersion;
             return this;
         }
 
-        public Builder androidAppVersion(String androidAppVersion) {
-            this.androidAppVersion = Optional.ofNullable(androidAppVersion);
-            return this;
-        }
-
         /**
-         * <p>The Android device which the contact is using.</p>
+         * <p>The name of the Android app which the contact is using.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "android_device", nulls = Nulls.SKIP)
-        public Builder androidDevice(Optional<String> androidDevice) {
-            this.androidDevice = androidDevice;
+        @java.lang.Override
+        public _FinalStage androidAppName(String androidAppName) {
+            this.androidAppName = Optional.ofNullable(androidAppName);
             return this;
         }
 
-        public Builder androidDevice(String androidDevice) {
-            this.androidDevice = Optional.ofNullable(androidDevice);
+        /**
+         * <p>The name of the Android app which the contact is using.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "android_app_name", nulls = Nulls.SKIP)
+        public _FinalStage androidAppName(Optional<String> androidAppName) {
+            this.androidAppName = androidAppName;
             return this;
         }
 
         /**
-         * <p>The version of the Android OS which the contact is using.</p>
+         * <p>The operating system which the contact is using.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "android_os_version", nulls = Nulls.SKIP)
-        public Builder androidOsVersion(Optional<String> androidOsVersion) {
-            this.androidOsVersion = androidOsVersion;
+        @java.lang.Override
+        public _FinalStage os(String os) {
+            this.os = Optional.ofNullable(os);
             return this;
         }
 
-        public Builder androidOsVersion(String androidOsVersion) {
-            this.androidOsVersion = Optional.ofNullable(androidOsVersion);
+        /**
+         * <p>The operating system which the contact is using.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "os", nulls = Nulls.SKIP)
+        public _FinalStage os(Optional<String> os) {
+            this.os = os;
             return this;
         }
 
         /**
-         * <p>The version of the Android SDK which the contact is using.</p>
+         * <p>The language set by the browser which the contact is using.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "android_sdk_version", nulls = Nulls.SKIP)
-        public Builder androidSdkVersion(Optional<String> androidSdkVersion) {
-            this.androidSdkVersion = androidSdkVersion;
+        @java.lang.Override
+        public _FinalStage browserLanguage(String browserLanguage) {
+            this.browserLanguage = Optional.ofNullable(browserLanguage);
             return this;
         }
 
-        public Builder androidSdkVersion(String androidSdkVersion) {
-            this.androidSdkVersion = Optional.ofNullable(androidSdkVersion);
+        /**
+         * <p>The language set by the browser which the contact is using.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "browser_language", nulls = Nulls.SKIP)
+        public _FinalStage browserLanguage(Optional<String> browserLanguage) {
+            this.browserLanguage = browserLanguage;
             return this;
         }
 
         /**
-         * <p>(UNIX timestamp) The time when the contact was last seen on an Android device.</p>
+         * <p>The version of the browser which the contact is using.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "android_last_seen_at", nulls = Nulls.SKIP)
-        public Builder androidLastSeenAt(Optional<Integer> androidLastSeenAt) {
-            this.androidLastSeenAt = androidLastSeenAt;
+        @java.lang.Override
+        public _FinalStage browserVersion(String browserVersion) {
+            this.browserVersion = Optional.ofNullable(browserVersion);
             return this;
         }
 
-        public Builder androidLastSeenAt(Integer androidLastSeenAt) {
-            this.androidLastSeenAt = Optional.ofNullable(androidLastSeenAt);
+        /**
+         * <p>The version of the browser which the contact is using.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "browser_version", nulls = Nulls.SKIP)
+        public _FinalStage browserVersion(Optional<String> browserVersion) {
+            this.browserVersion = browserVersion;
             return this;
         }
 
         /**
-         * <p>The name of the iOS app which the contact is using.</p>
+         * <p>The name of the browser which the contact is using.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "ios_app_name", nulls = Nulls.SKIP)
-        public Builder iosAppName(Optional<String> iosAppName) {
-            this.iosAppName = iosAppName;
+        @java.lang.Override
+        public _FinalStage browser(String browser) {
+            this.browser = Optional.ofNullable(browser);
             return this;
         }
 
-        public Builder iosAppName(String iosAppName) {
-            this.iosAppName = Optional.ofNullable(iosAppName);
+        /**
+         * <p>The name of the browser which the contact is using.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "browser", nulls = Nulls.SKIP)
+        public _FinalStage browser(Optional<String> browser) {
+            this.browser = browser;
             return this;
         }
 
         /**
-         * <p>The version of the iOS app which the contact is using.</p>
+         * <p>A preferred language setting for the contact, used by the Intercom Messenger even if their browser settings change.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "ios_app_version", nulls = Nulls.SKIP)
-        public Builder iosAppVersion(Optional<String> iosAppVersion) {
-            this.iosAppVersion = iosAppVersion;
+        @java.lang.Override
+        public _FinalStage languageOverride(String languageOverride) {
+            this.languageOverride = Optional.ofNullable(languageOverride);
             return this;
         }
 
-        public Builder iosAppVersion(String iosAppVersion) {
-            this.iosAppVersion = Optional.ofNullable(iosAppVersion);
+        /**
+         * <p>A preferred language setting for the contact, used by the Intercom Messenger even if their browser settings change.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "language_override", nulls = Nulls.SKIP)
+        public _FinalStage languageOverride(Optional<String> languageOverride) {
+            this.languageOverride = languageOverride;
             return this;
         }
 
         /**
-         * <p>The iOS device which the contact is using.</p>
+         * <p>(UNIX timestamp) The time when the contact last clicked a link in an email.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "ios_device", nulls = Nulls.SKIP)
-        public Builder iosDevice(Optional<String> iosDevice) {
-            this.iosDevice = iosDevice;
+        @java.lang.Override
+        public _FinalStage lastEmailClickedAt(Integer lastEmailClickedAt) {
+            this.lastEmailClickedAt = Optional.ofNullable(lastEmailClickedAt);
             return this;
         }
 
-        public Builder iosDevice(String iosDevice) {
-            this.iosDevice = Optional.ofNullable(iosDevice);
+        /**
+         * <p>(UNIX timestamp) The time when the contact last clicked a link in an email.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "last_email_clicked_at", nulls = Nulls.SKIP)
+        public _FinalStage lastEmailClickedAt(Optional<Integer> lastEmailClickedAt) {
+            this.lastEmailClickedAt = lastEmailClickedAt;
             return this;
         }
 
         /**
-         * <p>The version of iOS which the contact is using.</p>
+         * <p>(UNIX timestamp) The time when the contact last opened an email.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "ios_os_version", nulls = Nulls.SKIP)
-        public Builder iosOsVersion(Optional<String> iosOsVersion) {
-            this.iosOsVersion = iosOsVersion;
+        @java.lang.Override
+        public _FinalStage lastEmailOpenedAt(Integer lastEmailOpenedAt) {
+            this.lastEmailOpenedAt = Optional.ofNullable(lastEmailOpenedAt);
             return this;
         }
 
-        public Builder iosOsVersion(String iosOsVersion) {
-            this.iosOsVersion = Optional.ofNullable(iosOsVersion);
+        /**
+         * <p>(UNIX timestamp) The time when the contact last opened an email.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "last_email_opened_at", nulls = Nulls.SKIP)
+        public _FinalStage lastEmailOpenedAt(Optional<Integer> lastEmailOpenedAt) {
+            this.lastEmailOpenedAt = lastEmailOpenedAt;
             return this;
         }
 
         /**
-         * <p>The version of the iOS SDK which the contact is using.</p>
+         * <p>(UNIX timestamp) The time when the contact was last messaged.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "ios_sdk_version", nulls = Nulls.SKIP)
-        public Builder iosSdkVersion(Optional<String> iosSdkVersion) {
-            this.iosSdkVersion = iosSdkVersion;
+        @java.lang.Override
+        public _FinalStage lastContactedAt(Integer lastContactedAt) {
+            this.lastContactedAt = Optional.ofNullable(lastContactedAt);
             return this;
         }
 
-        public Builder iosSdkVersion(String iosSdkVersion) {
-            this.iosSdkVersion = Optional.ofNullable(iosSdkVersion);
+        /**
+         * <p>(UNIX timestamp) The time when the contact was last messaged.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "last_contacted_at", nulls = Nulls.SKIP)
+        public _FinalStage lastContactedAt(Optional<Integer> lastContactedAt) {
+            this.lastContactedAt = lastContactedAt;
             return this;
         }
 
         /**
-         * <p>(UNIX timestamp) The last time the contact used the iOS app.</p>
+         * <p>(UNIX timestamp) The time when the contact last messaged in.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "ios_last_seen_at", nulls = Nulls.SKIP)
-        public Builder iosLastSeenAt(Optional<Integer> iosLastSeenAt) {
-            this.iosLastSeenAt = iosLastSeenAt;
+        @java.lang.Override
+        public _FinalStage lastRepliedAt(Integer lastRepliedAt) {
+            this.lastRepliedAt = Optional.ofNullable(lastRepliedAt);
             return this;
         }
 
-        public Builder iosLastSeenAt(Integer iosLastSeenAt) {
-            this.iosLastSeenAt = Optional.ofNullable(iosLastSeenAt);
+        /**
+         * <p>(UNIX timestamp) The time when the contact last messaged in.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "last_replied_at", nulls = Nulls.SKIP)
+        public _FinalStage lastRepliedAt(Optional<Integer> lastRepliedAt) {
+            this.lastRepliedAt = lastRepliedAt;
             return this;
         }
 
         /**
-         * <p>The custom attributes which are set for the contact.</p>
+         * <p>(UNIX timestamp) The time when the contact was last seen (either where the Intercom Messenger was installed or when specified manually).</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "custom_attributes", nulls = Nulls.SKIP)
-        public Builder customAttributes(Optional<Map<String, Object>> customAttributes) {
-            this.customAttributes = customAttributes;
+        @java.lang.Override
+        public _FinalStage lastSeenAt(Integer lastSeenAt) {
+            this.lastSeenAt = Optional.ofNullable(lastSeenAt);
             return this;
         }
 
-        public Builder customAttributes(Map<String, Object> customAttributes) {
-            this.customAttributes = Optional.ofNullable(customAttributes);
+        /**
+         * <p>(UNIX timestamp) The time when the contact was last seen (either where the Intercom Messenger was installed or when specified manually).</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "last_seen_at", nulls = Nulls.SKIP)
+        public _FinalStage lastSeenAt(Optional<Integer> lastSeenAt) {
+            this.lastSeenAt = lastSeenAt;
             return this;
         }
 
         /**
-         * <p>An image URL containing the avatar of a contact.</p>
+         * <p>(UNIX timestamp) The time specified for when a contact signed up.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "avatar", nulls = Nulls.SKIP)
-        public Builder avatar(Optional<String> avatar) {
-            this.avatar = avatar;
+        @java.lang.Override
+        public _FinalStage signedUpAt(Integer signedUpAt) {
+            this.signedUpAt = Optional.ofNullable(signedUpAt);
             return this;
         }
 
-        public Builder avatar(String avatar) {
-            this.avatar = Optional.ofNullable(avatar);
+        /**
+         * <p>(UNIX timestamp) The time specified for when a contact signed up.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "signed_up_at", nulls = Nulls.SKIP)
+        public _FinalStage signedUpAt(Optional<Integer> signedUpAt) {
+            this.signedUpAt = signedUpAt;
             return this;
         }
 
-        @JsonSetter(value = "tags", nulls = Nulls.SKIP)
-        public Builder tags(Optional<ContactTags> tags) {
-            this.tags = tags;
+        /**
+         * <p>The id of an admin that has been assigned account ownership of the contact.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
+         */
+        @java.lang.Override
+        public _FinalStage ownerId(Integer ownerId) {
+            this.ownerId = Optional.ofNullable(ownerId);
             return this;
         }
 
-        public Builder tags(ContactTags tags) {
-            this.tags = Optional.ofNullable(tags);
+        /**
+         * <p>The id of an admin that has been assigned account ownership of the contact.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "owner_id", nulls = Nulls.SKIP)
+        public _FinalStage ownerId(Optional<Integer> ownerId) {
+            this.ownerId = ownerId;
             return this;
         }
 
-        @JsonSetter(value = "notes", nulls = Nulls.SKIP)
-        public Builder notes(Optional<ContactNotes> notes) {
-            this.notes = notes;
+        /**
+         * <p>The contacts name.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
+         */
+        @java.lang.Override
+        public _FinalStage name(String name) {
+            this.name = Optional.ofNullable(name);
             return this;
         }
 
-        public Builder notes(ContactNotes notes) {
-            this.notes = Optional.ofNullable(notes);
+        /**
+         * <p>The contacts name.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "name", nulls = Nulls.SKIP)
+        public _FinalStage name(Optional<String> name) {
+            this.name = name;
             return this;
         }
 
-        @JsonSetter(value = "companies", nulls = Nulls.SKIP)
-        public Builder companies(Optional<ContactCompanies> companies) {
-            this.companies = companies;
+        /**
+         * <p>The contacts phone.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
+         */
+        @java.lang.Override
+        public _FinalStage phone(String phone) {
+            this.phone = Optional.ofNullable(phone);
             return this;
         }
 
-        public Builder companies(ContactCompanies companies) {
-            this.companies = Optional.ofNullable(companies);
+        /**
+         * <p>The contacts phone.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "phone", nulls = Nulls.SKIP)
+        public _FinalStage phone(Optional<String> phone) {
+            this.phone = phone;
             return this;
         }
 
-        @JsonSetter(value = "location", nulls = Nulls.SKIP)
-        public Builder location(Optional<ContactLocation> location) {
-            this.location = location;
+        /**
+         * <p>The contact's email domain.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
+         */
+        @java.lang.Override
+        public _FinalStage emailDomain(String emailDomain) {
+            this.emailDomain = Optional.ofNullable(emailDomain);
             return this;
         }
 
-        public Builder location(ContactLocation location) {
-            this.location = Optional.ofNullable(location);
+        /**
+         * <p>The contact's email domain.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "email_domain", nulls = Nulls.SKIP)
+        public _FinalStage emailDomain(Optional<String> emailDomain) {
+            this.emailDomain = emailDomain;
             return this;
         }
 
-        @JsonSetter(value = "social_profiles", nulls = Nulls.SKIP)
-        public Builder socialProfiles(Optional<ContactSocialProfiles> socialProfiles) {
-            this.socialProfiles = socialProfiles;
+        /**
+         * <p>The contact's email.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
+         */
+        @java.lang.Override
+        public _FinalStage email(String email) {
+            this.email = Optional.ofNullable(email);
             return this;
         }
 
-        public Builder socialProfiles(ContactSocialProfiles socialProfiles) {
-            this.socialProfiles = Optional.ofNullable(socialProfiles);
+        /**
+         * <p>The contact's email.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "email", nulls = Nulls.SKIP)
+        public _FinalStage email(Optional<String> email) {
+            this.email = email;
             return this;
         }
 
         /**
-         * <p>If the user has enabled push messaging.</p>
+         * <p>The unique identifier for the contact which is provided by the Client.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "enabled_push_messaging", nulls = Nulls.SKIP)
-        public Builder enabledPushMessaging(Optional<Boolean> enabledPushMessaging) {
-            this.enabledPushMessaging = enabledPushMessaging;
+        @java.lang.Override
+        public _FinalStage externalId(String externalId) {
+            this.externalId = Optional.ofNullable(externalId);
             return this;
         }
 
-        public Builder enabledPushMessaging(Boolean enabledPushMessaging) {
-            this.enabledPushMessaging = Optional.ofNullable(enabledPushMessaging);
+        /**
+         * <p>The unique identifier for the contact which is provided by the Client.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "external_id", nulls = Nulls.SKIP)
+        public _FinalStage externalId(Optional<String> externalId) {
+            this.externalId = externalId;
             return this;
         }
 
+        @java.lang.Override
         public ContactsFindResponse build() {
             return new ContactsFindResponse(
-                    type,
                     id,
                     externalId,
                     workspaceId,
diff --git a/src/main/java/com/intercom/api/resources/contacts/types/ContactsMergeLeadInUserResponse.java b/src/main/java/com/intercom/api/resources/contacts/types/ContactsMergeLeadInUserResponse.java
index a6c4783b..1fa1a4c1 100644
--- a/src/main/java/com/intercom/api/resources/contacts/types/ContactsMergeLeadInUserResponse.java
+++ b/src/main/java/com/intercom/api/resources/contacts/types/ContactsMergeLeadInUserResponse.java
@@ -21,19 +21,18 @@
 import java.util.Map;
 import java.util.Objects;
 import java.util.Optional;
+import org.jetbrains.annotations.NotNull;
 
 @JsonInclude(JsonInclude.Include.NON_ABSENT)
 @JsonDeserialize(builder = ContactsMergeLeadInUserResponse.Builder.class)
 public final class ContactsMergeLeadInUserResponse implements IContact {
-    private final Optional<String> type;
-
-    private final Optional<String> id;
+    private final String id;
 
     private final Optional<String> externalId;
 
-    private final Optional<String> workspaceId;
+    private final String workspaceId;
 
-    private final Optional<String> role;
+    private final String role;
 
     private final Optional<String> email;
 
@@ -45,15 +44,15 @@ public final class ContactsMergeLeadInUserResponse implements IContact {
 
     private final Optional<Integer> ownerId;
 
-    private final Optional<Boolean> hasHardBounced;
+    private final boolean hasHardBounced;
 
-    private final Optional<Boolean> markedEmailAsSpam;
+    private final boolean markedEmailAsSpam;
 
-    private final Optional<Boolean> unsubscribedFromEmails;
+    private final boolean unsubscribedFromEmails;
 
-    private final Optional<Integer> createdAt;
+    private final int createdAt;
 
-    private final Optional<Integer> updatedAt;
+    private final int updatedAt;
 
     private final Optional<Integer> signedUpAt;
 
@@ -120,21 +119,20 @@ public final class ContactsMergeLeadInUserResponse implements IContact {
     private final Map<String, Object> additionalProperties;
 
     private ContactsMergeLeadInUserResponse(
-            Optional<String> type,
-            Optional<String> id,
+            String id,
             Optional<String> externalId,
-            Optional<String> workspaceId,
-            Optional<String> role,
+            String workspaceId,
+            String role,
             Optional<String> email,
             Optional<String> emailDomain,
             Optional<String> phone,
             Optional<String> name,
             Optional<Integer> ownerId,
-            Optional<Boolean> hasHardBounced,
-            Optional<Boolean> markedEmailAsSpam,
-            Optional<Boolean> unsubscribedFromEmails,
-            Optional<Integer> createdAt,
-            Optional<Integer> updatedAt,
+            boolean hasHardBounced,
+            boolean markedEmailAsSpam,
+            boolean unsubscribedFromEmails,
+            int createdAt,
+            int updatedAt,
             Optional<Integer> signedUpAt,
             Optional<Integer> lastSeenAt,
             Optional<Integer> lastRepliedAt,
@@ -167,7 +165,6 @@ private ContactsMergeLeadInUserResponse(
             Optional<ContactSocialProfiles> socialProfiles,
             Optional<Boolean> enabledPushMessaging,
             Map<String, Object> additionalProperties) {
-        this.type = type;
         this.id = id;
         this.externalId = externalId;
         this.workspaceId = workspaceId;
@@ -220,15 +217,15 @@ private ContactsMergeLeadInUserResponse(
      * @return The type of object.
      */
     @JsonProperty("type")
-    public Optional<String> getType() {
-        return type;
+    public String getType() {
+        return "contact";
     }
 
     /**
      * @return The unique identifier for the contact which is given by Intercom.
      */
     @JsonProperty("id")
-    public Optional<String> getId() {
+    public String getId() {
         return id;
     }
 
@@ -244,7 +241,7 @@ public Optional<String> getExternalId() {
      * @return The id of the workspace which the contact belongs to.
      */
     @JsonProperty("workspace_id")
-    public Optional<String> getWorkspaceId() {
+    public String getWorkspaceId() {
         return workspaceId;
     }
 
@@ -252,7 +249,7 @@ public Optional<String> getWorkspaceId() {
      * @return The role of the contact.
      */
     @JsonProperty("role")
-    public Optional<String> getRole() {
+    public String getRole() {
         return role;
     }
 
@@ -300,7 +297,7 @@ public Optional<Integer> getOwnerId() {
      * @return Whether the contact has had an email sent to them hard bounce.
      */
     @JsonProperty("has_hard_bounced")
-    public Optional<Boolean> getHasHardBounced() {
+    public boolean getHasHardBounced() {
         return hasHardBounced;
     }
 
@@ -308,7 +305,7 @@ public Optional<Boolean> getHasHardBounced() {
      * @return Whether the contact has marked an email sent to them as spam.
      */
     @JsonProperty("marked_email_as_spam")
-    public Optional<Boolean> getMarkedEmailAsSpam() {
+    public boolean getMarkedEmailAsSpam() {
         return markedEmailAsSpam;
     }
 
@@ -316,7 +313,7 @@ public Optional<Boolean> getMarkedEmailAsSpam() {
      * @return Whether the contact is unsubscribed from emails.
      */
     @JsonProperty("unsubscribed_from_emails")
-    public Optional<Boolean> getUnsubscribedFromEmails() {
+    public boolean getUnsubscribedFromEmails() {
         return unsubscribedFromEmails;
     }
 
@@ -324,7 +321,7 @@ public Optional<Boolean> getUnsubscribedFromEmails() {
      * @return (UNIX timestamp) The time when the contact was created.
      */
     @JsonProperty("created_at")
-    public Optional<Integer> getCreatedAt() {
+    public int getCreatedAt() {
         return createdAt;
     }
 
@@ -332,7 +329,7 @@ public Optional<Integer> getCreatedAt() {
      * @return (UNIX timestamp) The time when the contact was last updated.
      */
     @JsonProperty("updated_at")
-    public Optional<Integer> getUpdatedAt() {
+    public int getUpdatedAt() {
         return updatedAt;
     }
 
@@ -581,8 +578,7 @@ public Map<String, Object> getAdditionalProperties() {
     }
 
     private boolean equalTo(ContactsMergeLeadInUserResponse other) {
-        return type.equals(other.type)
-                && id.equals(other.id)
+        return id.equals(other.id)
                 && externalId.equals(other.externalId)
                 && workspaceId.equals(other.workspaceId)
                 && role.equals(other.role)
@@ -591,11 +587,11 @@ private boolean equalTo(ContactsMergeLeadInUserResponse other) {
                 && phone.equals(other.phone)
                 && name.equals(other.name)
                 && ownerId.equals(other.ownerId)
-                && hasHardBounced.equals(other.hasHardBounced)
-                && markedEmailAsSpam.equals(other.markedEmailAsSpam)
-                && unsubscribedFromEmails.equals(other.unsubscribedFromEmails)
-                && createdAt.equals(other.createdAt)
-                && updatedAt.equals(other.updatedAt)
+                && hasHardBounced == other.hasHardBounced
+                && markedEmailAsSpam == other.markedEmailAsSpam
+                && unsubscribedFromEmails == other.unsubscribedFromEmails
+                && createdAt == other.createdAt
+                && updatedAt == other.updatedAt
                 && signedUpAt.equals(other.signedUpAt)
                 && lastSeenAt.equals(other.lastSeenAt)
                 && lastRepliedAt.equals(other.lastRepliedAt)
@@ -632,7 +628,6 @@ private boolean equalTo(ContactsMergeLeadInUserResponse other) {
     @java.lang.Override
     public int hashCode() {
         return Objects.hash(
-                this.type,
                 this.id,
                 this.externalId,
                 this.workspaceId,
@@ -685,791 +680,1276 @@ public String toString() {
         return ObjectMappers.stringify(this);
     }
 
-    public static Builder builder() {
+    public static IdStage builder() {
         return new Builder();
     }
 
-    @JsonIgnoreProperties(ignoreUnknown = true)
-    public static final class Builder {
-        private Optional<String> type = Optional.empty();
-
-        private Optional<String> id = Optional.empty();
-
-        private Optional<String> externalId = Optional.empty();
-
-        private Optional<String> workspaceId = Optional.empty();
+    public interface IdStage {
+        /**
+         * <p>The unique identifier for the contact which is given by Intercom.</p>
+         */
+        WorkspaceIdStage id(@NotNull String id);
 
-        private Optional<String> role = Optional.empty();
+        Builder from(ContactsMergeLeadInUserResponse other);
+    }
 
-        private Optional<String> email = Optional.empty();
+    public interface WorkspaceIdStage {
+        /**
+         * <p>The id of the workspace which the contact belongs to.</p>
+         */
+        RoleStage workspaceId(@NotNull String workspaceId);
+    }
 
-        private Optional<String> emailDomain = Optional.empty();
+    public interface RoleStage {
+        /**
+         * <p>The role of the contact.</p>
+         */
+        HasHardBouncedStage role(@NotNull String role);
+    }
 
-        private Optional<String> phone = Optional.empty();
+    public interface HasHardBouncedStage {
+        /**
+         * <p>Whether the contact has had an email sent to them hard bounce.</p>
+         */
+        MarkedEmailAsSpamStage hasHardBounced(boolean hasHardBounced);
+    }
 
-        private Optional<String> name = Optional.empty();
+    public interface MarkedEmailAsSpamStage {
+        /**
+         * <p>Whether the contact has marked an email sent to them as spam.</p>
+         */
+        UnsubscribedFromEmailsStage markedEmailAsSpam(boolean markedEmailAsSpam);
+    }
 
-        private Optional<Integer> ownerId = Optional.empty();
+    public interface UnsubscribedFromEmailsStage {
+        /**
+         * <p>Whether the contact is unsubscribed from emails.</p>
+         */
+        CreatedAtStage unsubscribedFromEmails(boolean unsubscribedFromEmails);
+    }
 
-        private Optional<Boolean> hasHardBounced = Optional.empty();
+    public interface CreatedAtStage {
+        /**
+         * <p>(UNIX timestamp) The time when the contact was created.</p>
+         */
+        UpdatedAtStage createdAt(int createdAt);
+    }
 
-        private Optional<Boolean> markedEmailAsSpam = Optional.empty();
+    public interface UpdatedAtStage {
+        /**
+         * <p>(UNIX timestamp) The time when the contact was last updated.</p>
+         */
+        _FinalStage updatedAt(int updatedAt);
+    }
 
-        private Optional<Boolean> unsubscribedFromEmails = Optional.empty();
+    public interface _FinalStage {
+        ContactsMergeLeadInUserResponse build();
 
-        private Optional<Integer> createdAt = Optional.empty();
+        /**
+         * <p>The unique identifier for the contact which is provided by the Client.</p>
+         */
+        _FinalStage externalId(Optional<String> externalId);
 
-        private Optional<Integer> updatedAt = Optional.empty();
+        _FinalStage externalId(String externalId);
 
-        private Optional<Integer> signedUpAt = Optional.empty();
+        /**
+         * <p>The contact's email.</p>
+         */
+        _FinalStage email(Optional<String> email);
 
-        private Optional<Integer> lastSeenAt = Optional.empty();
+        _FinalStage email(String email);
 
-        private Optional<Integer> lastRepliedAt = Optional.empty();
+        /**
+         * <p>The contact's email domain.</p>
+         */
+        _FinalStage emailDomain(Optional<String> emailDomain);
 
-        private Optional<Integer> lastContactedAt = Optional.empty();
+        _FinalStage emailDomain(String emailDomain);
 
-        private Optional<Integer> lastEmailOpenedAt = Optional.empty();
+        /**
+         * <p>The contacts phone.</p>
+         */
+        _FinalStage phone(Optional<String> phone);
 
-        private Optional<Integer> lastEmailClickedAt = Optional.empty();
+        _FinalStage phone(String phone);
 
-        private Optional<String> languageOverride = Optional.empty();
+        /**
+         * <p>The contacts name.</p>
+         */
+        _FinalStage name(Optional<String> name);
 
-        private Optional<String> browser = Optional.empty();
+        _FinalStage name(String name);
 
-        private Optional<String> browserVersion = Optional.empty();
+        /**
+         * <p>The id of an admin that has been assigned account ownership of the contact.</p>
+         */
+        _FinalStage ownerId(Optional<Integer> ownerId);
 
-        private Optional<String> browserLanguage = Optional.empty();
+        _FinalStage ownerId(Integer ownerId);
 
-        private Optional<String> os = Optional.empty();
+        /**
+         * <p>(UNIX timestamp) The time specified for when a contact signed up.</p>
+         */
+        _FinalStage signedUpAt(Optional<Integer> signedUpAt);
 
-        private Optional<String> androidAppName = Optional.empty();
+        _FinalStage signedUpAt(Integer signedUpAt);
 
-        private Optional<String> androidAppVersion = Optional.empty();
+        /**
+         * <p>(UNIX timestamp) The time when the contact was last seen (either where the Intercom Messenger was installed or when specified manually).</p>
+         */
+        _FinalStage lastSeenAt(Optional<Integer> lastSeenAt);
 
-        private Optional<String> androidDevice = Optional.empty();
+        _FinalStage lastSeenAt(Integer lastSeenAt);
 
-        private Optional<String> androidOsVersion = Optional.empty();
+        /**
+         * <p>(UNIX timestamp) The time when the contact last messaged in.</p>
+         */
+        _FinalStage lastRepliedAt(Optional<Integer> lastRepliedAt);
 
-        private Optional<String> androidSdkVersion = Optional.empty();
+        _FinalStage lastRepliedAt(Integer lastRepliedAt);
 
-        private Optional<Integer> androidLastSeenAt = Optional.empty();
+        /**
+         * <p>(UNIX timestamp) The time when the contact was last messaged.</p>
+         */
+        _FinalStage lastContactedAt(Optional<Integer> lastContactedAt);
 
-        private Optional<String> iosAppName = Optional.empty();
+        _FinalStage lastContactedAt(Integer lastContactedAt);
 
-        private Optional<String> iosAppVersion = Optional.empty();
+        /**
+         * <p>(UNIX timestamp) The time when the contact last opened an email.</p>
+         */
+        _FinalStage lastEmailOpenedAt(Optional<Integer> lastEmailOpenedAt);
 
-        private Optional<String> iosDevice = Optional.empty();
+        _FinalStage lastEmailOpenedAt(Integer lastEmailOpenedAt);
 
-        private Optional<String> iosOsVersion = Optional.empty();
+        /**
+         * <p>(UNIX timestamp) The time when the contact last clicked a link in an email.</p>
+         */
+        _FinalStage lastEmailClickedAt(Optional<Integer> lastEmailClickedAt);
 
-        private Optional<String> iosSdkVersion = Optional.empty();
+        _FinalStage lastEmailClickedAt(Integer lastEmailClickedAt);
 
-        private Optional<Integer> iosLastSeenAt = Optional.empty();
+        /**
+         * <p>A preferred language setting for the contact, used by the Intercom Messenger even if their browser settings change.</p>
+         */
+        _FinalStage languageOverride(Optional<String> languageOverride);
 
-        private Optional<Map<String, Object>> customAttributes = Optional.empty();
+        _FinalStage languageOverride(String languageOverride);
 
-        private Optional<String> avatar = Optional.empty();
+        /**
+         * <p>The name of the browser which the contact is using.</p>
+         */
+        _FinalStage browser(Optional<String> browser);
 
-        private Optional<ContactTags> tags = Optional.empty();
+        _FinalStage browser(String browser);
 
-        private Optional<ContactNotes> notes = Optional.empty();
+        /**
+         * <p>The version of the browser which the contact is using.</p>
+         */
+        _FinalStage browserVersion(Optional<String> browserVersion);
 
-        private Optional<ContactCompanies> companies = Optional.empty();
+        _FinalStage browserVersion(String browserVersion);
 
-        private Optional<ContactLocation> location = Optional.empty();
+        /**
+         * <p>The language set by the browser which the contact is using.</p>
+         */
+        _FinalStage browserLanguage(Optional<String> browserLanguage);
 
-        private Optional<ContactSocialProfiles> socialProfiles = Optional.empty();
+        _FinalStage browserLanguage(String browserLanguage);
 
-        private Optional<Boolean> enabledPushMessaging = Optional.empty();
+        /**
+         * <p>The operating system which the contact is using.</p>
+         */
+        _FinalStage os(Optional<String> os);
 
-        @JsonAnySetter
-        private Map<String, Object> additionalProperties = new HashMap<>();
+        _FinalStage os(String os);
 
-        private Builder() {}
+        /**
+         * <p>The name of the Android app which the contact is using.</p>
+         */
+        _FinalStage androidAppName(Optional<String> androidAppName);
 
-        public Builder from(ContactsMergeLeadInUserResponse other) {
-            type(other.getType());
-            id(other.getId());
-            externalId(other.getExternalId());
-            workspaceId(other.getWorkspaceId());
-            role(other.getRole());
-            email(other.getEmail());
-            emailDomain(other.getEmailDomain());
-            phone(other.getPhone());
-            name(other.getName());
-            ownerId(other.getOwnerId());
-            hasHardBounced(other.getHasHardBounced());
-            markedEmailAsSpam(other.getMarkedEmailAsSpam());
-            unsubscribedFromEmails(other.getUnsubscribedFromEmails());
-            createdAt(other.getCreatedAt());
-            updatedAt(other.getUpdatedAt());
-            signedUpAt(other.getSignedUpAt());
-            lastSeenAt(other.getLastSeenAt());
-            lastRepliedAt(other.getLastRepliedAt());
-            lastContactedAt(other.getLastContactedAt());
-            lastEmailOpenedAt(other.getLastEmailOpenedAt());
-            lastEmailClickedAt(other.getLastEmailClickedAt());
-            languageOverride(other.getLanguageOverride());
-            browser(other.getBrowser());
-            browserVersion(other.getBrowserVersion());
-            browserLanguage(other.getBrowserLanguage());
-            os(other.getOs());
-            androidAppName(other.getAndroidAppName());
-            androidAppVersion(other.getAndroidAppVersion());
-            androidDevice(other.getAndroidDevice());
-            androidOsVersion(other.getAndroidOsVersion());
-            androidSdkVersion(other.getAndroidSdkVersion());
-            androidLastSeenAt(other.getAndroidLastSeenAt());
-            iosAppName(other.getIosAppName());
-            iosAppVersion(other.getIosAppVersion());
-            iosDevice(other.getIosDevice());
-            iosOsVersion(other.getIosOsVersion());
-            iosSdkVersion(other.getIosSdkVersion());
-            iosLastSeenAt(other.getIosLastSeenAt());
-            customAttributes(other.getCustomAttributes());
-            avatar(other.getAvatar());
-            tags(other.getTags());
-            notes(other.getNotes());
-            companies(other.getCompanies());
-            location(other.getLocation());
-            socialProfiles(other.getSocialProfiles());
-            enabledPushMessaging(other.getEnabledPushMessaging());
-            return this;
-        }
+        _FinalStage androidAppName(String androidAppName);
 
         /**
-         * <p>The type of object.</p>
+         * <p>The version of the Android app which the contact is using.</p>
          */
-        @JsonSetter(value = "type", nulls = Nulls.SKIP)
-        public Builder type(Optional<String> type) {
-            this.type = type;
-            return this;
-        }
+        _FinalStage androidAppVersion(Optional<String> androidAppVersion);
 
-        public Builder type(String type) {
-            this.type = Optional.ofNullable(type);
-            return this;
-        }
+        _FinalStage androidAppVersion(String androidAppVersion);
 
         /**
-         * <p>The unique identifier for the contact which is given by Intercom.</p>
+         * <p>The Android device which the contact is using.</p>
          */
-        @JsonSetter(value = "id", nulls = Nulls.SKIP)
-        public Builder id(Optional<String> id) {
-            this.id = id;
-            return this;
-        }
+        _FinalStage androidDevice(Optional<String> androidDevice);
 
-        public Builder id(String id) {
-            this.id = Optional.ofNullable(id);
-            return this;
-        }
+        _FinalStage androidDevice(String androidDevice);
 
         /**
-         * <p>The unique identifier for the contact which is provided by the Client.</p>
+         * <p>The version of the Android OS which the contact is using.</p>
          */
-        @JsonSetter(value = "external_id", nulls = Nulls.SKIP)
-        public Builder externalId(Optional<String> externalId) {
-            this.externalId = externalId;
-            return this;
-        }
+        _FinalStage androidOsVersion(Optional<String> androidOsVersion);
 
-        public Builder externalId(String externalId) {
-            this.externalId = Optional.ofNullable(externalId);
-            return this;
-        }
+        _FinalStage androidOsVersion(String androidOsVersion);
 
         /**
-         * <p>The id of the workspace which the contact belongs to.</p>
+         * <p>The version of the Android SDK which the contact is using.</p>
          */
-        @JsonSetter(value = "workspace_id", nulls = Nulls.SKIP)
-        public Builder workspaceId(Optional<String> workspaceId) {
-            this.workspaceId = workspaceId;
-            return this;
-        }
+        _FinalStage androidSdkVersion(Optional<String> androidSdkVersion);
 
-        public Builder workspaceId(String workspaceId) {
-            this.workspaceId = Optional.ofNullable(workspaceId);
-            return this;
-        }
+        _FinalStage androidSdkVersion(String androidSdkVersion);
 
         /**
-         * <p>The role of the contact.</p>
+         * <p>(UNIX timestamp) The time when the contact was last seen on an Android device.</p>
          */
-        @JsonSetter(value = "role", nulls = Nulls.SKIP)
-        public Builder role(Optional<String> role) {
-            this.role = role;
-            return this;
-        }
+        _FinalStage androidLastSeenAt(Optional<Integer> androidLastSeenAt);
 
-        public Builder role(String role) {
-            this.role = Optional.ofNullable(role);
-            return this;
-        }
+        _FinalStage androidLastSeenAt(Integer androidLastSeenAt);
 
         /**
-         * <p>The contact's email.</p>
+         * <p>The name of the iOS app which the contact is using.</p>
          */
-        @JsonSetter(value = "email", nulls = Nulls.SKIP)
-        public Builder email(Optional<String> email) {
-            this.email = email;
-            return this;
-        }
+        _FinalStage iosAppName(Optional<String> iosAppName);
 
-        public Builder email(String email) {
-            this.email = Optional.ofNullable(email);
-            return this;
-        }
+        _FinalStage iosAppName(String iosAppName);
 
         /**
-         * <p>The contact's email domain.</p>
+         * <p>The version of the iOS app which the contact is using.</p>
          */
-        @JsonSetter(value = "email_domain", nulls = Nulls.SKIP)
-        public Builder emailDomain(Optional<String> emailDomain) {
-            this.emailDomain = emailDomain;
-            return this;
-        }
+        _FinalStage iosAppVersion(Optional<String> iosAppVersion);
 
-        public Builder emailDomain(String emailDomain) {
-            this.emailDomain = Optional.ofNullable(emailDomain);
-            return this;
-        }
+        _FinalStage iosAppVersion(String iosAppVersion);
 
         /**
-         * <p>The contacts phone.</p>
+         * <p>The iOS device which the contact is using.</p>
          */
-        @JsonSetter(value = "phone", nulls = Nulls.SKIP)
-        public Builder phone(Optional<String> phone) {
-            this.phone = phone;
-            return this;
-        }
+        _FinalStage iosDevice(Optional<String> iosDevice);
 
-        public Builder phone(String phone) {
-            this.phone = Optional.ofNullable(phone);
-            return this;
-        }
+        _FinalStage iosDevice(String iosDevice);
 
         /**
-         * <p>The contacts name.</p>
+         * <p>The version of iOS which the contact is using.</p>
          */
-        @JsonSetter(value = "name", nulls = Nulls.SKIP)
-        public Builder name(Optional<String> name) {
-            this.name = name;
-            return this;
-        }
+        _FinalStage iosOsVersion(Optional<String> iosOsVersion);
 
-        public Builder name(String name) {
-            this.name = Optional.ofNullable(name);
-            return this;
-        }
+        _FinalStage iosOsVersion(String iosOsVersion);
 
         /**
-         * <p>The id of an admin that has been assigned account ownership of the contact.</p>
+         * <p>The version of the iOS SDK which the contact is using.</p>
          */
-        @JsonSetter(value = "owner_id", nulls = Nulls.SKIP)
-        public Builder ownerId(Optional<Integer> ownerId) {
-            this.ownerId = ownerId;
-            return this;
-        }
+        _FinalStage iosSdkVersion(Optional<String> iosSdkVersion);
 
-        public Builder ownerId(Integer ownerId) {
-            this.ownerId = Optional.ofNullable(ownerId);
-            return this;
-        }
+        _FinalStage iosSdkVersion(String iosSdkVersion);
 
         /**
-         * <p>Whether the contact has had an email sent to them hard bounce.</p>
+         * <p>(UNIX timestamp) The last time the contact used the iOS app.</p>
          */
-        @JsonSetter(value = "has_hard_bounced", nulls = Nulls.SKIP)
-        public Builder hasHardBounced(Optional<Boolean> hasHardBounced) {
-            this.hasHardBounced = hasHardBounced;
+        _FinalStage iosLastSeenAt(Optional<Integer> iosLastSeenAt);
+
+        _FinalStage iosLastSeenAt(Integer iosLastSeenAt);
+
+        /**
+         * <p>The custom attributes which are set for the contact.</p>
+         */
+        _FinalStage customAttributes(Optional<Map<String, Object>> customAttributes);
+
+        _FinalStage customAttributes(Map<String, Object> customAttributes);
+
+        /**
+         * <p>An image URL containing the avatar of a contact.</p>
+         */
+        _FinalStage avatar(Optional<String> avatar);
+
+        _FinalStage avatar(String avatar);
+
+        _FinalStage tags(Optional<ContactTags> tags);
+
+        _FinalStage tags(ContactTags tags);
+
+        _FinalStage notes(Optional<ContactNotes> notes);
+
+        _FinalStage notes(ContactNotes notes);
+
+        _FinalStage companies(Optional<ContactCompanies> companies);
+
+        _FinalStage companies(ContactCompanies companies);
+
+        _FinalStage location(Optional<ContactLocation> location);
+
+        _FinalStage location(ContactLocation location);
+
+        _FinalStage socialProfiles(Optional<ContactSocialProfiles> socialProfiles);
+
+        _FinalStage socialProfiles(ContactSocialProfiles socialProfiles);
+
+        /**
+         * <p>If the user has enabled push messaging.</p>
+         */
+        _FinalStage enabledPushMessaging(Optional<Boolean> enabledPushMessaging);
+
+        _FinalStage enabledPushMessaging(Boolean enabledPushMessaging);
+    }
+
+    @JsonIgnoreProperties(ignoreUnknown = true)
+    public static final class Builder
+            implements IdStage,
+                    WorkspaceIdStage,
+                    RoleStage,
+                    HasHardBouncedStage,
+                    MarkedEmailAsSpamStage,
+                    UnsubscribedFromEmailsStage,
+                    CreatedAtStage,
+                    UpdatedAtStage,
+                    _FinalStage {
+        private String id;
+
+        private String workspaceId;
+
+        private String role;
+
+        private boolean hasHardBounced;
+
+        private boolean markedEmailAsSpam;
+
+        private boolean unsubscribedFromEmails;
+
+        private int createdAt;
+
+        private int updatedAt;
+
+        private Optional<Boolean> enabledPushMessaging = Optional.empty();
+
+        private Optional<ContactSocialProfiles> socialProfiles = Optional.empty();
+
+        private Optional<ContactLocation> location = Optional.empty();
+
+        private Optional<ContactCompanies> companies = Optional.empty();
+
+        private Optional<ContactNotes> notes = Optional.empty();
+
+        private Optional<ContactTags> tags = Optional.empty();
+
+        private Optional<String> avatar = Optional.empty();
+
+        private Optional<Map<String, Object>> customAttributes = Optional.empty();
+
+        private Optional<Integer> iosLastSeenAt = Optional.empty();
+
+        private Optional<String> iosSdkVersion = Optional.empty();
+
+        private Optional<String> iosOsVersion = Optional.empty();
+
+        private Optional<String> iosDevice = Optional.empty();
+
+        private Optional<String> iosAppVersion = Optional.empty();
+
+        private Optional<String> iosAppName = Optional.empty();
+
+        private Optional<Integer> androidLastSeenAt = Optional.empty();
+
+        private Optional<String> androidSdkVersion = Optional.empty();
+
+        private Optional<String> androidOsVersion = Optional.empty();
+
+        private Optional<String> androidDevice = Optional.empty();
+
+        private Optional<String> androidAppVersion = Optional.empty();
+
+        private Optional<String> androidAppName = Optional.empty();
+
+        private Optional<String> os = Optional.empty();
+
+        private Optional<String> browserLanguage = Optional.empty();
+
+        private Optional<String> browserVersion = Optional.empty();
+
+        private Optional<String> browser = Optional.empty();
+
+        private Optional<String> languageOverride = Optional.empty();
+
+        private Optional<Integer> lastEmailClickedAt = Optional.empty();
+
+        private Optional<Integer> lastEmailOpenedAt = Optional.empty();
+
+        private Optional<Integer> lastContactedAt = Optional.empty();
+
+        private Optional<Integer> lastRepliedAt = Optional.empty();
+
+        private Optional<Integer> lastSeenAt = Optional.empty();
+
+        private Optional<Integer> signedUpAt = Optional.empty();
+
+        private Optional<Integer> ownerId = Optional.empty();
+
+        private Optional<String> name = Optional.empty();
+
+        private Optional<String> phone = Optional.empty();
+
+        private Optional<String> emailDomain = Optional.empty();
+
+        private Optional<String> email = Optional.empty();
+
+        private Optional<String> externalId = Optional.empty();
+
+        @JsonAnySetter
+        private Map<String, Object> additionalProperties = new HashMap<>();
+
+        private Builder() {}
+
+        @java.lang.Override
+        public Builder from(ContactsMergeLeadInUserResponse other) {
+            id(other.getId());
+            externalId(other.getExternalId());
+            workspaceId(other.getWorkspaceId());
+            role(other.getRole());
+            email(other.getEmail());
+            emailDomain(other.getEmailDomain());
+            phone(other.getPhone());
+            name(other.getName());
+            ownerId(other.getOwnerId());
+            hasHardBounced(other.getHasHardBounced());
+            markedEmailAsSpam(other.getMarkedEmailAsSpam());
+            unsubscribedFromEmails(other.getUnsubscribedFromEmails());
+            createdAt(other.getCreatedAt());
+            updatedAt(other.getUpdatedAt());
+            signedUpAt(other.getSignedUpAt());
+            lastSeenAt(other.getLastSeenAt());
+            lastRepliedAt(other.getLastRepliedAt());
+            lastContactedAt(other.getLastContactedAt());
+            lastEmailOpenedAt(other.getLastEmailOpenedAt());
+            lastEmailClickedAt(other.getLastEmailClickedAt());
+            languageOverride(other.getLanguageOverride());
+            browser(other.getBrowser());
+            browserVersion(other.getBrowserVersion());
+            browserLanguage(other.getBrowserLanguage());
+            os(other.getOs());
+            androidAppName(other.getAndroidAppName());
+            androidAppVersion(other.getAndroidAppVersion());
+            androidDevice(other.getAndroidDevice());
+            androidOsVersion(other.getAndroidOsVersion());
+            androidSdkVersion(other.getAndroidSdkVersion());
+            androidLastSeenAt(other.getAndroidLastSeenAt());
+            iosAppName(other.getIosAppName());
+            iosAppVersion(other.getIosAppVersion());
+            iosDevice(other.getIosDevice());
+            iosOsVersion(other.getIosOsVersion());
+            iosSdkVersion(other.getIosSdkVersion());
+            iosLastSeenAt(other.getIosLastSeenAt());
+            customAttributes(other.getCustomAttributes());
+            avatar(other.getAvatar());
+            tags(other.getTags());
+            notes(other.getNotes());
+            companies(other.getCompanies());
+            location(other.getLocation());
+            socialProfiles(other.getSocialProfiles());
+            enabledPushMessaging(other.getEnabledPushMessaging());
             return this;
         }
 
-        public Builder hasHardBounced(Boolean hasHardBounced) {
-            this.hasHardBounced = Optional.ofNullable(hasHardBounced);
+        /**
+         * <p>The unique identifier for the contact which is given by Intercom.</p>
+         * <p>The unique identifier for the contact which is given by Intercom.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
+         */
+        @java.lang.Override
+        @JsonSetter("id")
+        public WorkspaceIdStage id(@NotNull String id) {
+            this.id = Objects.requireNonNull(id, "id must not be null");
             return this;
         }
 
         /**
-         * <p>Whether the contact has marked an email sent to them as spam.</p>
+         * <p>The id of the workspace which the contact belongs to.</p>
+         * <p>The id of the workspace which the contact belongs to.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "marked_email_as_spam", nulls = Nulls.SKIP)
-        public Builder markedEmailAsSpam(Optional<Boolean> markedEmailAsSpam) {
-            this.markedEmailAsSpam = markedEmailAsSpam;
+        @java.lang.Override
+        @JsonSetter("workspace_id")
+        public RoleStage workspaceId(@NotNull String workspaceId) {
+            this.workspaceId = Objects.requireNonNull(workspaceId, "workspaceId must not be null");
             return this;
         }
 
-        public Builder markedEmailAsSpam(Boolean markedEmailAsSpam) {
-            this.markedEmailAsSpam = Optional.ofNullable(markedEmailAsSpam);
+        /**
+         * <p>The role of the contact.</p>
+         * <p>The role of the contact.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
+         */
+        @java.lang.Override
+        @JsonSetter("role")
+        public HasHardBouncedStage role(@NotNull String role) {
+            this.role = Objects.requireNonNull(role, "role must not be null");
             return this;
         }
 
         /**
-         * <p>Whether the contact is unsubscribed from emails.</p>
+         * <p>Whether the contact has had an email sent to them hard bounce.</p>
+         * <p>Whether the contact has had an email sent to them hard bounce.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "unsubscribed_from_emails", nulls = Nulls.SKIP)
-        public Builder unsubscribedFromEmails(Optional<Boolean> unsubscribedFromEmails) {
-            this.unsubscribedFromEmails = unsubscribedFromEmails;
+        @java.lang.Override
+        @JsonSetter("has_hard_bounced")
+        public MarkedEmailAsSpamStage hasHardBounced(boolean hasHardBounced) {
+            this.hasHardBounced = hasHardBounced;
             return this;
         }
 
-        public Builder unsubscribedFromEmails(Boolean unsubscribedFromEmails) {
-            this.unsubscribedFromEmails = Optional.ofNullable(unsubscribedFromEmails);
+        /**
+         * <p>Whether the contact has marked an email sent to them as spam.</p>
+         * <p>Whether the contact has marked an email sent to them as spam.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
+         */
+        @java.lang.Override
+        @JsonSetter("marked_email_as_spam")
+        public UnsubscribedFromEmailsStage markedEmailAsSpam(boolean markedEmailAsSpam) {
+            this.markedEmailAsSpam = markedEmailAsSpam;
             return this;
         }
 
         /**
-         * <p>(UNIX timestamp) The time when the contact was created.</p>
+         * <p>Whether the contact is unsubscribed from emails.</p>
+         * <p>Whether the contact is unsubscribed from emails.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "created_at", nulls = Nulls.SKIP)
-        public Builder createdAt(Optional<Integer> createdAt) {
-            this.createdAt = createdAt;
+        @java.lang.Override
+        @JsonSetter("unsubscribed_from_emails")
+        public CreatedAtStage unsubscribedFromEmails(boolean unsubscribedFromEmails) {
+            this.unsubscribedFromEmails = unsubscribedFromEmails;
             return this;
         }
 
-        public Builder createdAt(Integer createdAt) {
-            this.createdAt = Optional.ofNullable(createdAt);
+        /**
+         * <p>(UNIX timestamp) The time when the contact was created.</p>
+         * <p>(UNIX timestamp) The time when the contact was created.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
+         */
+        @java.lang.Override
+        @JsonSetter("created_at")
+        public UpdatedAtStage createdAt(int createdAt) {
+            this.createdAt = createdAt;
             return this;
         }
 
         /**
          * <p>(UNIX timestamp) The time when the contact was last updated.</p>
+         * <p>(UNIX timestamp) The time when the contact was last updated.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "updated_at", nulls = Nulls.SKIP)
-        public Builder updatedAt(Optional<Integer> updatedAt) {
+        @java.lang.Override
+        @JsonSetter("updated_at")
+        public _FinalStage updatedAt(int updatedAt) {
             this.updatedAt = updatedAt;
             return this;
         }
 
-        public Builder updatedAt(Integer updatedAt) {
-            this.updatedAt = Optional.ofNullable(updatedAt);
+        /**
+         * <p>If the user has enabled push messaging.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
+         */
+        @java.lang.Override
+        public _FinalStage enabledPushMessaging(Boolean enabledPushMessaging) {
+            this.enabledPushMessaging = Optional.ofNullable(enabledPushMessaging);
             return this;
         }
 
         /**
-         * <p>(UNIX timestamp) The time specified for when a contact signed up.</p>
+         * <p>If the user has enabled push messaging.</p>
          */
-        @JsonSetter(value = "signed_up_at", nulls = Nulls.SKIP)
-        public Builder signedUpAt(Optional<Integer> signedUpAt) {
-            this.signedUpAt = signedUpAt;
+        @java.lang.Override
+        @JsonSetter(value = "enabled_push_messaging", nulls = Nulls.SKIP)
+        public _FinalStage enabledPushMessaging(Optional<Boolean> enabledPushMessaging) {
+            this.enabledPushMessaging = enabledPushMessaging;
             return this;
         }
 
-        public Builder signedUpAt(Integer signedUpAt) {
-            this.signedUpAt = Optional.ofNullable(signedUpAt);
+        @java.lang.Override
+        public _FinalStage socialProfiles(ContactSocialProfiles socialProfiles) {
+            this.socialProfiles = Optional.ofNullable(socialProfiles);
+            return this;
+        }
+
+        @java.lang.Override
+        @JsonSetter(value = "social_profiles", nulls = Nulls.SKIP)
+        public _FinalStage socialProfiles(Optional<ContactSocialProfiles> socialProfiles) {
+            this.socialProfiles = socialProfiles;
+            return this;
+        }
+
+        @java.lang.Override
+        public _FinalStage location(ContactLocation location) {
+            this.location = Optional.ofNullable(location);
+            return this;
+        }
+
+        @java.lang.Override
+        @JsonSetter(value = "location", nulls = Nulls.SKIP)
+        public _FinalStage location(Optional<ContactLocation> location) {
+            this.location = location;
+            return this;
+        }
+
+        @java.lang.Override
+        public _FinalStage companies(ContactCompanies companies) {
+            this.companies = Optional.ofNullable(companies);
+            return this;
+        }
+
+        @java.lang.Override
+        @JsonSetter(value = "companies", nulls = Nulls.SKIP)
+        public _FinalStage companies(Optional<ContactCompanies> companies) {
+            this.companies = companies;
+            return this;
+        }
+
+        @java.lang.Override
+        public _FinalStage notes(ContactNotes notes) {
+            this.notes = Optional.ofNullable(notes);
+            return this;
+        }
+
+        @java.lang.Override
+        @JsonSetter(value = "notes", nulls = Nulls.SKIP)
+        public _FinalStage notes(Optional<ContactNotes> notes) {
+            this.notes = notes;
+            return this;
+        }
+
+        @java.lang.Override
+        public _FinalStage tags(ContactTags tags) {
+            this.tags = Optional.ofNullable(tags);
+            return this;
+        }
+
+        @java.lang.Override
+        @JsonSetter(value = "tags", nulls = Nulls.SKIP)
+        public _FinalStage tags(Optional<ContactTags> tags) {
+            this.tags = tags;
             return this;
         }
 
         /**
-         * <p>(UNIX timestamp) The time when the contact was last seen (either where the Intercom Messenger was installed or when specified manually).</p>
+         * <p>An image URL containing the avatar of a contact.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "last_seen_at", nulls = Nulls.SKIP)
-        public Builder lastSeenAt(Optional<Integer> lastSeenAt) {
-            this.lastSeenAt = lastSeenAt;
+        @java.lang.Override
+        public _FinalStage avatar(String avatar) {
+            this.avatar = Optional.ofNullable(avatar);
             return this;
         }
 
-        public Builder lastSeenAt(Integer lastSeenAt) {
-            this.lastSeenAt = Optional.ofNullable(lastSeenAt);
+        /**
+         * <p>An image URL containing the avatar of a contact.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "avatar", nulls = Nulls.SKIP)
+        public _FinalStage avatar(Optional<String> avatar) {
+            this.avatar = avatar;
             return this;
         }
 
         /**
-         * <p>(UNIX timestamp) The time when the contact last messaged in.</p>
+         * <p>The custom attributes which are set for the contact.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "last_replied_at", nulls = Nulls.SKIP)
-        public Builder lastRepliedAt(Optional<Integer> lastRepliedAt) {
-            this.lastRepliedAt = lastRepliedAt;
+        @java.lang.Override
+        public _FinalStage customAttributes(Map<String, Object> customAttributes) {
+            this.customAttributes = Optional.ofNullable(customAttributes);
             return this;
         }
 
-        public Builder lastRepliedAt(Integer lastRepliedAt) {
-            this.lastRepliedAt = Optional.ofNullable(lastRepliedAt);
+        /**
+         * <p>The custom attributes which are set for the contact.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "custom_attributes", nulls = Nulls.SKIP)
+        public _FinalStage customAttributes(Optional<Map<String, Object>> customAttributes) {
+            this.customAttributes = customAttributes;
             return this;
         }
 
         /**
-         * <p>(UNIX timestamp) The time when the contact was last messaged.</p>
+         * <p>(UNIX timestamp) The last time the contact used the iOS app.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "last_contacted_at", nulls = Nulls.SKIP)
-        public Builder lastContactedAt(Optional<Integer> lastContactedAt) {
-            this.lastContactedAt = lastContactedAt;
+        @java.lang.Override
+        public _FinalStage iosLastSeenAt(Integer iosLastSeenAt) {
+            this.iosLastSeenAt = Optional.ofNullable(iosLastSeenAt);
             return this;
         }
 
-        public Builder lastContactedAt(Integer lastContactedAt) {
-            this.lastContactedAt = Optional.ofNullable(lastContactedAt);
+        /**
+         * <p>(UNIX timestamp) The last time the contact used the iOS app.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "ios_last_seen_at", nulls = Nulls.SKIP)
+        public _FinalStage iosLastSeenAt(Optional<Integer> iosLastSeenAt) {
+            this.iosLastSeenAt = iosLastSeenAt;
             return this;
         }
 
         /**
-         * <p>(UNIX timestamp) The time when the contact last opened an email.</p>
+         * <p>The version of the iOS SDK which the contact is using.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "last_email_opened_at", nulls = Nulls.SKIP)
-        public Builder lastEmailOpenedAt(Optional<Integer> lastEmailOpenedAt) {
-            this.lastEmailOpenedAt = lastEmailOpenedAt;
+        @java.lang.Override
+        public _FinalStage iosSdkVersion(String iosSdkVersion) {
+            this.iosSdkVersion = Optional.ofNullable(iosSdkVersion);
             return this;
         }
 
-        public Builder lastEmailOpenedAt(Integer lastEmailOpenedAt) {
-            this.lastEmailOpenedAt = Optional.ofNullable(lastEmailOpenedAt);
+        /**
+         * <p>The version of the iOS SDK which the contact is using.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "ios_sdk_version", nulls = Nulls.SKIP)
+        public _FinalStage iosSdkVersion(Optional<String> iosSdkVersion) {
+            this.iosSdkVersion = iosSdkVersion;
             return this;
         }
 
         /**
-         * <p>(UNIX timestamp) The time when the contact last clicked a link in an email.</p>
+         * <p>The version of iOS which the contact is using.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "last_email_clicked_at", nulls = Nulls.SKIP)
-        public Builder lastEmailClickedAt(Optional<Integer> lastEmailClickedAt) {
-            this.lastEmailClickedAt = lastEmailClickedAt;
+        @java.lang.Override
+        public _FinalStage iosOsVersion(String iosOsVersion) {
+            this.iosOsVersion = Optional.ofNullable(iosOsVersion);
             return this;
         }
 
-        public Builder lastEmailClickedAt(Integer lastEmailClickedAt) {
-            this.lastEmailClickedAt = Optional.ofNullable(lastEmailClickedAt);
+        /**
+         * <p>The version of iOS which the contact is using.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "ios_os_version", nulls = Nulls.SKIP)
+        public _FinalStage iosOsVersion(Optional<String> iosOsVersion) {
+            this.iosOsVersion = iosOsVersion;
             return this;
         }
 
         /**
-         * <p>A preferred language setting for the contact, used by the Intercom Messenger even if their browser settings change.</p>
+         * <p>The iOS device which the contact is using.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "language_override", nulls = Nulls.SKIP)
-        public Builder languageOverride(Optional<String> languageOverride) {
-            this.languageOverride = languageOverride;
+        @java.lang.Override
+        public _FinalStage iosDevice(String iosDevice) {
+            this.iosDevice = Optional.ofNullable(iosDevice);
             return this;
         }
 
-        public Builder languageOverride(String languageOverride) {
-            this.languageOverride = Optional.ofNullable(languageOverride);
+        /**
+         * <p>The iOS device which the contact is using.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "ios_device", nulls = Nulls.SKIP)
+        public _FinalStage iosDevice(Optional<String> iosDevice) {
+            this.iosDevice = iosDevice;
             return this;
         }
 
         /**
-         * <p>The name of the browser which the contact is using.</p>
+         * <p>The version of the iOS app which the contact is using.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "browser", nulls = Nulls.SKIP)
-        public Builder browser(Optional<String> browser) {
-            this.browser = browser;
+        @java.lang.Override
+        public _FinalStage iosAppVersion(String iosAppVersion) {
+            this.iosAppVersion = Optional.ofNullable(iosAppVersion);
+            return this;
+        }
+
+        /**
+         * <p>The version of the iOS app which the contact is using.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "ios_app_version", nulls = Nulls.SKIP)
+        public _FinalStage iosAppVersion(Optional<String> iosAppVersion) {
+            this.iosAppVersion = iosAppVersion;
+            return this;
+        }
+
+        /**
+         * <p>The name of the iOS app which the contact is using.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
+         */
+        @java.lang.Override
+        public _FinalStage iosAppName(String iosAppName) {
+            this.iosAppName = Optional.ofNullable(iosAppName);
+            return this;
+        }
+
+        /**
+         * <p>The name of the iOS app which the contact is using.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "ios_app_name", nulls = Nulls.SKIP)
+        public _FinalStage iosAppName(Optional<String> iosAppName) {
+            this.iosAppName = iosAppName;
             return this;
         }
 
-        public Builder browser(String browser) {
-            this.browser = Optional.ofNullable(browser);
+        /**
+         * <p>(UNIX timestamp) The time when the contact was last seen on an Android device.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
+         */
+        @java.lang.Override
+        public _FinalStage androidLastSeenAt(Integer androidLastSeenAt) {
+            this.androidLastSeenAt = Optional.ofNullable(androidLastSeenAt);
             return this;
         }
 
         /**
-         * <p>The version of the browser which the contact is using.</p>
+         * <p>(UNIX timestamp) The time when the contact was last seen on an Android device.</p>
          */
-        @JsonSetter(value = "browser_version", nulls = Nulls.SKIP)
-        public Builder browserVersion(Optional<String> browserVersion) {
-            this.browserVersion = browserVersion;
+        @java.lang.Override
+        @JsonSetter(value = "android_last_seen_at", nulls = Nulls.SKIP)
+        public _FinalStage androidLastSeenAt(Optional<Integer> androidLastSeenAt) {
+            this.androidLastSeenAt = androidLastSeenAt;
             return this;
         }
 
-        public Builder browserVersion(String browserVersion) {
-            this.browserVersion = Optional.ofNullable(browserVersion);
+        /**
+         * <p>The version of the Android SDK which the contact is using.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
+         */
+        @java.lang.Override
+        public _FinalStage androidSdkVersion(String androidSdkVersion) {
+            this.androidSdkVersion = Optional.ofNullable(androidSdkVersion);
             return this;
         }
 
         /**
-         * <p>The language set by the browser which the contact is using.</p>
+         * <p>The version of the Android SDK which the contact is using.</p>
          */
-        @JsonSetter(value = "browser_language", nulls = Nulls.SKIP)
-        public Builder browserLanguage(Optional<String> browserLanguage) {
-            this.browserLanguage = browserLanguage;
+        @java.lang.Override
+        @JsonSetter(value = "android_sdk_version", nulls = Nulls.SKIP)
+        public _FinalStage androidSdkVersion(Optional<String> androidSdkVersion) {
+            this.androidSdkVersion = androidSdkVersion;
             return this;
         }
 
-        public Builder browserLanguage(String browserLanguage) {
-            this.browserLanguage = Optional.ofNullable(browserLanguage);
+        /**
+         * <p>The version of the Android OS which the contact is using.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
+         */
+        @java.lang.Override
+        public _FinalStage androidOsVersion(String androidOsVersion) {
+            this.androidOsVersion = Optional.ofNullable(androidOsVersion);
             return this;
         }
 
         /**
-         * <p>The operating system which the contact is using.</p>
+         * <p>The version of the Android OS which the contact is using.</p>
          */
-        @JsonSetter(value = "os", nulls = Nulls.SKIP)
-        public Builder os(Optional<String> os) {
-            this.os = os;
+        @java.lang.Override
+        @JsonSetter(value = "android_os_version", nulls = Nulls.SKIP)
+        public _FinalStage androidOsVersion(Optional<String> androidOsVersion) {
+            this.androidOsVersion = androidOsVersion;
             return this;
         }
 
-        public Builder os(String os) {
-            this.os = Optional.ofNullable(os);
+        /**
+         * <p>The Android device which the contact is using.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
+         */
+        @java.lang.Override
+        public _FinalStage androidDevice(String androidDevice) {
+            this.androidDevice = Optional.ofNullable(androidDevice);
             return this;
         }
 
         /**
-         * <p>The name of the Android app which the contact is using.</p>
+         * <p>The Android device which the contact is using.</p>
          */
-        @JsonSetter(value = "android_app_name", nulls = Nulls.SKIP)
-        public Builder androidAppName(Optional<String> androidAppName) {
-            this.androidAppName = androidAppName;
+        @java.lang.Override
+        @JsonSetter(value = "android_device", nulls = Nulls.SKIP)
+        public _FinalStage androidDevice(Optional<String> androidDevice) {
+            this.androidDevice = androidDevice;
             return this;
         }
 
-        public Builder androidAppName(String androidAppName) {
-            this.androidAppName = Optional.ofNullable(androidAppName);
+        /**
+         * <p>The version of the Android app which the contact is using.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
+         */
+        @java.lang.Override
+        public _FinalStage androidAppVersion(String androidAppVersion) {
+            this.androidAppVersion = Optional.ofNullable(androidAppVersion);
             return this;
         }
 
         /**
          * <p>The version of the Android app which the contact is using.</p>
          */
+        @java.lang.Override
         @JsonSetter(value = "android_app_version", nulls = Nulls.SKIP)
-        public Builder androidAppVersion(Optional<String> androidAppVersion) {
+        public _FinalStage androidAppVersion(Optional<String> androidAppVersion) {
             this.androidAppVersion = androidAppVersion;
             return this;
         }
 
-        public Builder androidAppVersion(String androidAppVersion) {
-            this.androidAppVersion = Optional.ofNullable(androidAppVersion);
-            return this;
-        }
-
         /**
-         * <p>The Android device which the contact is using.</p>
+         * <p>The name of the Android app which the contact is using.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "android_device", nulls = Nulls.SKIP)
-        public Builder androidDevice(Optional<String> androidDevice) {
-            this.androidDevice = androidDevice;
+        @java.lang.Override
+        public _FinalStage androidAppName(String androidAppName) {
+            this.androidAppName = Optional.ofNullable(androidAppName);
             return this;
         }
 
-        public Builder androidDevice(String androidDevice) {
-            this.androidDevice = Optional.ofNullable(androidDevice);
+        /**
+         * <p>The name of the Android app which the contact is using.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "android_app_name", nulls = Nulls.SKIP)
+        public _FinalStage androidAppName(Optional<String> androidAppName) {
+            this.androidAppName = androidAppName;
             return this;
         }
 
         /**
-         * <p>The version of the Android OS which the contact is using.</p>
+         * <p>The operating system which the contact is using.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "android_os_version", nulls = Nulls.SKIP)
-        public Builder androidOsVersion(Optional<String> androidOsVersion) {
-            this.androidOsVersion = androidOsVersion;
+        @java.lang.Override
+        public _FinalStage os(String os) {
+            this.os = Optional.ofNullable(os);
             return this;
         }
 
-        public Builder androidOsVersion(String androidOsVersion) {
-            this.androidOsVersion = Optional.ofNullable(androidOsVersion);
+        /**
+         * <p>The operating system which the contact is using.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "os", nulls = Nulls.SKIP)
+        public _FinalStage os(Optional<String> os) {
+            this.os = os;
             return this;
         }
 
         /**
-         * <p>The version of the Android SDK which the contact is using.</p>
+         * <p>The language set by the browser which the contact is using.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "android_sdk_version", nulls = Nulls.SKIP)
-        public Builder androidSdkVersion(Optional<String> androidSdkVersion) {
-            this.androidSdkVersion = androidSdkVersion;
+        @java.lang.Override
+        public _FinalStage browserLanguage(String browserLanguage) {
+            this.browserLanguage = Optional.ofNullable(browserLanguage);
             return this;
         }
 
-        public Builder androidSdkVersion(String androidSdkVersion) {
-            this.androidSdkVersion = Optional.ofNullable(androidSdkVersion);
+        /**
+         * <p>The language set by the browser which the contact is using.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "browser_language", nulls = Nulls.SKIP)
+        public _FinalStage browserLanguage(Optional<String> browserLanguage) {
+            this.browserLanguage = browserLanguage;
             return this;
         }
 
         /**
-         * <p>(UNIX timestamp) The time when the contact was last seen on an Android device.</p>
+         * <p>The version of the browser which the contact is using.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "android_last_seen_at", nulls = Nulls.SKIP)
-        public Builder androidLastSeenAt(Optional<Integer> androidLastSeenAt) {
-            this.androidLastSeenAt = androidLastSeenAt;
+        @java.lang.Override
+        public _FinalStage browserVersion(String browserVersion) {
+            this.browserVersion = Optional.ofNullable(browserVersion);
             return this;
         }
 
-        public Builder androidLastSeenAt(Integer androidLastSeenAt) {
-            this.androidLastSeenAt = Optional.ofNullable(androidLastSeenAt);
+        /**
+         * <p>The version of the browser which the contact is using.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "browser_version", nulls = Nulls.SKIP)
+        public _FinalStage browserVersion(Optional<String> browserVersion) {
+            this.browserVersion = browserVersion;
             return this;
         }
 
         /**
-         * <p>The name of the iOS app which the contact is using.</p>
+         * <p>The name of the browser which the contact is using.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "ios_app_name", nulls = Nulls.SKIP)
-        public Builder iosAppName(Optional<String> iosAppName) {
-            this.iosAppName = iosAppName;
+        @java.lang.Override
+        public _FinalStage browser(String browser) {
+            this.browser = Optional.ofNullable(browser);
             return this;
         }
 
-        public Builder iosAppName(String iosAppName) {
-            this.iosAppName = Optional.ofNullable(iosAppName);
+        /**
+         * <p>The name of the browser which the contact is using.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "browser", nulls = Nulls.SKIP)
+        public _FinalStage browser(Optional<String> browser) {
+            this.browser = browser;
             return this;
         }
 
         /**
-         * <p>The version of the iOS app which the contact is using.</p>
+         * <p>A preferred language setting for the contact, used by the Intercom Messenger even if their browser settings change.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "ios_app_version", nulls = Nulls.SKIP)
-        public Builder iosAppVersion(Optional<String> iosAppVersion) {
-            this.iosAppVersion = iosAppVersion;
+        @java.lang.Override
+        public _FinalStage languageOverride(String languageOverride) {
+            this.languageOverride = Optional.ofNullable(languageOverride);
             return this;
         }
 
-        public Builder iosAppVersion(String iosAppVersion) {
-            this.iosAppVersion = Optional.ofNullable(iosAppVersion);
+        /**
+         * <p>A preferred language setting for the contact, used by the Intercom Messenger even if their browser settings change.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "language_override", nulls = Nulls.SKIP)
+        public _FinalStage languageOverride(Optional<String> languageOverride) {
+            this.languageOverride = languageOverride;
             return this;
         }
 
         /**
-         * <p>The iOS device which the contact is using.</p>
+         * <p>(UNIX timestamp) The time when the contact last clicked a link in an email.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "ios_device", nulls = Nulls.SKIP)
-        public Builder iosDevice(Optional<String> iosDevice) {
-            this.iosDevice = iosDevice;
+        @java.lang.Override
+        public _FinalStage lastEmailClickedAt(Integer lastEmailClickedAt) {
+            this.lastEmailClickedAt = Optional.ofNullable(lastEmailClickedAt);
             return this;
         }
 
-        public Builder iosDevice(String iosDevice) {
-            this.iosDevice = Optional.ofNullable(iosDevice);
+        /**
+         * <p>(UNIX timestamp) The time when the contact last clicked a link in an email.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "last_email_clicked_at", nulls = Nulls.SKIP)
+        public _FinalStage lastEmailClickedAt(Optional<Integer> lastEmailClickedAt) {
+            this.lastEmailClickedAt = lastEmailClickedAt;
             return this;
         }
 
         /**
-         * <p>The version of iOS which the contact is using.</p>
+         * <p>(UNIX timestamp) The time when the contact last opened an email.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "ios_os_version", nulls = Nulls.SKIP)
-        public Builder iosOsVersion(Optional<String> iosOsVersion) {
-            this.iosOsVersion = iosOsVersion;
+        @java.lang.Override
+        public _FinalStage lastEmailOpenedAt(Integer lastEmailOpenedAt) {
+            this.lastEmailOpenedAt = Optional.ofNullable(lastEmailOpenedAt);
             return this;
         }
 
-        public Builder iosOsVersion(String iosOsVersion) {
-            this.iosOsVersion = Optional.ofNullable(iosOsVersion);
+        /**
+         * <p>(UNIX timestamp) The time when the contact last opened an email.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "last_email_opened_at", nulls = Nulls.SKIP)
+        public _FinalStage lastEmailOpenedAt(Optional<Integer> lastEmailOpenedAt) {
+            this.lastEmailOpenedAt = lastEmailOpenedAt;
             return this;
         }
 
         /**
-         * <p>The version of the iOS SDK which the contact is using.</p>
+         * <p>(UNIX timestamp) The time when the contact was last messaged.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "ios_sdk_version", nulls = Nulls.SKIP)
-        public Builder iosSdkVersion(Optional<String> iosSdkVersion) {
-            this.iosSdkVersion = iosSdkVersion;
+        @java.lang.Override
+        public _FinalStage lastContactedAt(Integer lastContactedAt) {
+            this.lastContactedAt = Optional.ofNullable(lastContactedAt);
             return this;
         }
 
-        public Builder iosSdkVersion(String iosSdkVersion) {
-            this.iosSdkVersion = Optional.ofNullable(iosSdkVersion);
+        /**
+         * <p>(UNIX timestamp) The time when the contact was last messaged.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "last_contacted_at", nulls = Nulls.SKIP)
+        public _FinalStage lastContactedAt(Optional<Integer> lastContactedAt) {
+            this.lastContactedAt = lastContactedAt;
             return this;
         }
 
         /**
-         * <p>(UNIX timestamp) The last time the contact used the iOS app.</p>
+         * <p>(UNIX timestamp) The time when the contact last messaged in.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "ios_last_seen_at", nulls = Nulls.SKIP)
-        public Builder iosLastSeenAt(Optional<Integer> iosLastSeenAt) {
-            this.iosLastSeenAt = iosLastSeenAt;
+        @java.lang.Override
+        public _FinalStage lastRepliedAt(Integer lastRepliedAt) {
+            this.lastRepliedAt = Optional.ofNullable(lastRepliedAt);
             return this;
         }
 
-        public Builder iosLastSeenAt(Integer iosLastSeenAt) {
-            this.iosLastSeenAt = Optional.ofNullable(iosLastSeenAt);
+        /**
+         * <p>(UNIX timestamp) The time when the contact last messaged in.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "last_replied_at", nulls = Nulls.SKIP)
+        public _FinalStage lastRepliedAt(Optional<Integer> lastRepliedAt) {
+            this.lastRepliedAt = lastRepliedAt;
             return this;
         }
 
         /**
-         * <p>The custom attributes which are set for the contact.</p>
+         * <p>(UNIX timestamp) The time when the contact was last seen (either where the Intercom Messenger was installed or when specified manually).</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "custom_attributes", nulls = Nulls.SKIP)
-        public Builder customAttributes(Optional<Map<String, Object>> customAttributes) {
-            this.customAttributes = customAttributes;
+        @java.lang.Override
+        public _FinalStage lastSeenAt(Integer lastSeenAt) {
+            this.lastSeenAt = Optional.ofNullable(lastSeenAt);
             return this;
         }
 
-        public Builder customAttributes(Map<String, Object> customAttributes) {
-            this.customAttributes = Optional.ofNullable(customAttributes);
+        /**
+         * <p>(UNIX timestamp) The time when the contact was last seen (either where the Intercom Messenger was installed or when specified manually).</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "last_seen_at", nulls = Nulls.SKIP)
+        public _FinalStage lastSeenAt(Optional<Integer> lastSeenAt) {
+            this.lastSeenAt = lastSeenAt;
             return this;
         }
 
         /**
-         * <p>An image URL containing the avatar of a contact.</p>
+         * <p>(UNIX timestamp) The time specified for when a contact signed up.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "avatar", nulls = Nulls.SKIP)
-        public Builder avatar(Optional<String> avatar) {
-            this.avatar = avatar;
+        @java.lang.Override
+        public _FinalStage signedUpAt(Integer signedUpAt) {
+            this.signedUpAt = Optional.ofNullable(signedUpAt);
             return this;
         }
 
-        public Builder avatar(String avatar) {
-            this.avatar = Optional.ofNullable(avatar);
+        /**
+         * <p>(UNIX timestamp) The time specified for when a contact signed up.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "signed_up_at", nulls = Nulls.SKIP)
+        public _FinalStage signedUpAt(Optional<Integer> signedUpAt) {
+            this.signedUpAt = signedUpAt;
             return this;
         }
 
-        @JsonSetter(value = "tags", nulls = Nulls.SKIP)
-        public Builder tags(Optional<ContactTags> tags) {
-            this.tags = tags;
+        /**
+         * <p>The id of an admin that has been assigned account ownership of the contact.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
+         */
+        @java.lang.Override
+        public _FinalStage ownerId(Integer ownerId) {
+            this.ownerId = Optional.ofNullable(ownerId);
             return this;
         }
 
-        public Builder tags(ContactTags tags) {
-            this.tags = Optional.ofNullable(tags);
+        /**
+         * <p>The id of an admin that has been assigned account ownership of the contact.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "owner_id", nulls = Nulls.SKIP)
+        public _FinalStage ownerId(Optional<Integer> ownerId) {
+            this.ownerId = ownerId;
             return this;
         }
 
-        @JsonSetter(value = "notes", nulls = Nulls.SKIP)
-        public Builder notes(Optional<ContactNotes> notes) {
-            this.notes = notes;
+        /**
+         * <p>The contacts name.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
+         */
+        @java.lang.Override
+        public _FinalStage name(String name) {
+            this.name = Optional.ofNullable(name);
             return this;
         }
 
-        public Builder notes(ContactNotes notes) {
-            this.notes = Optional.ofNullable(notes);
+        /**
+         * <p>The contacts name.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "name", nulls = Nulls.SKIP)
+        public _FinalStage name(Optional<String> name) {
+            this.name = name;
             return this;
         }
 
-        @JsonSetter(value = "companies", nulls = Nulls.SKIP)
-        public Builder companies(Optional<ContactCompanies> companies) {
-            this.companies = companies;
+        /**
+         * <p>The contacts phone.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
+         */
+        @java.lang.Override
+        public _FinalStage phone(String phone) {
+            this.phone = Optional.ofNullable(phone);
             return this;
         }
 
-        public Builder companies(ContactCompanies companies) {
-            this.companies = Optional.ofNullable(companies);
+        /**
+         * <p>The contacts phone.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "phone", nulls = Nulls.SKIP)
+        public _FinalStage phone(Optional<String> phone) {
+            this.phone = phone;
             return this;
         }
 
-        @JsonSetter(value = "location", nulls = Nulls.SKIP)
-        public Builder location(Optional<ContactLocation> location) {
-            this.location = location;
+        /**
+         * <p>The contact's email domain.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
+         */
+        @java.lang.Override
+        public _FinalStage emailDomain(String emailDomain) {
+            this.emailDomain = Optional.ofNullable(emailDomain);
             return this;
         }
 
-        public Builder location(ContactLocation location) {
-            this.location = Optional.ofNullable(location);
+        /**
+         * <p>The contact's email domain.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "email_domain", nulls = Nulls.SKIP)
+        public _FinalStage emailDomain(Optional<String> emailDomain) {
+            this.emailDomain = emailDomain;
             return this;
         }
 
-        @JsonSetter(value = "social_profiles", nulls = Nulls.SKIP)
-        public Builder socialProfiles(Optional<ContactSocialProfiles> socialProfiles) {
-            this.socialProfiles = socialProfiles;
+        /**
+         * <p>The contact's email.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
+         */
+        @java.lang.Override
+        public _FinalStage email(String email) {
+            this.email = Optional.ofNullable(email);
             return this;
         }
 
-        public Builder socialProfiles(ContactSocialProfiles socialProfiles) {
-            this.socialProfiles = Optional.ofNullable(socialProfiles);
+        /**
+         * <p>The contact's email.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "email", nulls = Nulls.SKIP)
+        public _FinalStage email(Optional<String> email) {
+            this.email = email;
             return this;
         }
 
         /**
-         * <p>If the user has enabled push messaging.</p>
+         * <p>The unique identifier for the contact which is provided by the Client.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "enabled_push_messaging", nulls = Nulls.SKIP)
-        public Builder enabledPushMessaging(Optional<Boolean> enabledPushMessaging) {
-            this.enabledPushMessaging = enabledPushMessaging;
+        @java.lang.Override
+        public _FinalStage externalId(String externalId) {
+            this.externalId = Optional.ofNullable(externalId);
             return this;
         }
 
-        public Builder enabledPushMessaging(Boolean enabledPushMessaging) {
-            this.enabledPushMessaging = Optional.ofNullable(enabledPushMessaging);
+        /**
+         * <p>The unique identifier for the contact which is provided by the Client.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "external_id", nulls = Nulls.SKIP)
+        public _FinalStage externalId(Optional<String> externalId) {
+            this.externalId = externalId;
             return this;
         }
 
+        @java.lang.Override
         public ContactsMergeLeadInUserResponse build() {
             return new ContactsMergeLeadInUserResponse(
-                    type,
                     id,
                     externalId,
                     workspaceId,
diff --git a/src/main/java/com/intercom/api/resources/contacts/types/ContactsUpdateResponse.java b/src/main/java/com/intercom/api/resources/contacts/types/ContactsUpdateResponse.java
index bb446f49..5123a28b 100644
--- a/src/main/java/com/intercom/api/resources/contacts/types/ContactsUpdateResponse.java
+++ b/src/main/java/com/intercom/api/resources/contacts/types/ContactsUpdateResponse.java
@@ -21,19 +21,18 @@
 import java.util.Map;
 import java.util.Objects;
 import java.util.Optional;
+import org.jetbrains.annotations.NotNull;
 
 @JsonInclude(JsonInclude.Include.NON_ABSENT)
 @JsonDeserialize(builder = ContactsUpdateResponse.Builder.class)
 public final class ContactsUpdateResponse implements IContact {
-    private final Optional<String> type;
-
-    private final Optional<String> id;
+    private final String id;
 
     private final Optional<String> externalId;
 
-    private final Optional<String> workspaceId;
+    private final String workspaceId;
 
-    private final Optional<String> role;
+    private final String role;
 
     private final Optional<String> email;
 
@@ -45,15 +44,15 @@ public final class ContactsUpdateResponse implements IContact {
 
     private final Optional<Integer> ownerId;
 
-    private final Optional<Boolean> hasHardBounced;
+    private final boolean hasHardBounced;
 
-    private final Optional<Boolean> markedEmailAsSpam;
+    private final boolean markedEmailAsSpam;
 
-    private final Optional<Boolean> unsubscribedFromEmails;
+    private final boolean unsubscribedFromEmails;
 
-    private final Optional<Integer> createdAt;
+    private final int createdAt;
 
-    private final Optional<Integer> updatedAt;
+    private final int updatedAt;
 
     private final Optional<Integer> signedUpAt;
 
@@ -120,21 +119,20 @@ public final class ContactsUpdateResponse implements IContact {
     private final Map<String, Object> additionalProperties;
 
     private ContactsUpdateResponse(
-            Optional<String> type,
-            Optional<String> id,
+            String id,
             Optional<String> externalId,
-            Optional<String> workspaceId,
-            Optional<String> role,
+            String workspaceId,
+            String role,
             Optional<String> email,
             Optional<String> emailDomain,
             Optional<String> phone,
             Optional<String> name,
             Optional<Integer> ownerId,
-            Optional<Boolean> hasHardBounced,
-            Optional<Boolean> markedEmailAsSpam,
-            Optional<Boolean> unsubscribedFromEmails,
-            Optional<Integer> createdAt,
-            Optional<Integer> updatedAt,
+            boolean hasHardBounced,
+            boolean markedEmailAsSpam,
+            boolean unsubscribedFromEmails,
+            int createdAt,
+            int updatedAt,
             Optional<Integer> signedUpAt,
             Optional<Integer> lastSeenAt,
             Optional<Integer> lastRepliedAt,
@@ -167,7 +165,6 @@ private ContactsUpdateResponse(
             Optional<ContactSocialProfiles> socialProfiles,
             Optional<Boolean> enabledPushMessaging,
             Map<String, Object> additionalProperties) {
-        this.type = type;
         this.id = id;
         this.externalId = externalId;
         this.workspaceId = workspaceId;
@@ -220,15 +217,15 @@ private ContactsUpdateResponse(
      * @return The type of object.
      */
     @JsonProperty("type")
-    public Optional<String> getType() {
-        return type;
+    public String getType() {
+        return "contact";
     }
 
     /**
      * @return The unique identifier for the contact which is given by Intercom.
      */
     @JsonProperty("id")
-    public Optional<String> getId() {
+    public String getId() {
         return id;
     }
 
@@ -244,7 +241,7 @@ public Optional<String> getExternalId() {
      * @return The id of the workspace which the contact belongs to.
      */
     @JsonProperty("workspace_id")
-    public Optional<String> getWorkspaceId() {
+    public String getWorkspaceId() {
         return workspaceId;
     }
 
@@ -252,7 +249,7 @@ public Optional<String> getWorkspaceId() {
      * @return The role of the contact.
      */
     @JsonProperty("role")
-    public Optional<String> getRole() {
+    public String getRole() {
         return role;
     }
 
@@ -300,7 +297,7 @@ public Optional<Integer> getOwnerId() {
      * @return Whether the contact has had an email sent to them hard bounce.
      */
     @JsonProperty("has_hard_bounced")
-    public Optional<Boolean> getHasHardBounced() {
+    public boolean getHasHardBounced() {
         return hasHardBounced;
     }
 
@@ -308,7 +305,7 @@ public Optional<Boolean> getHasHardBounced() {
      * @return Whether the contact has marked an email sent to them as spam.
      */
     @JsonProperty("marked_email_as_spam")
-    public Optional<Boolean> getMarkedEmailAsSpam() {
+    public boolean getMarkedEmailAsSpam() {
         return markedEmailAsSpam;
     }
 
@@ -316,7 +313,7 @@ public Optional<Boolean> getMarkedEmailAsSpam() {
      * @return Whether the contact is unsubscribed from emails.
      */
     @JsonProperty("unsubscribed_from_emails")
-    public Optional<Boolean> getUnsubscribedFromEmails() {
+    public boolean getUnsubscribedFromEmails() {
         return unsubscribedFromEmails;
     }
 
@@ -324,7 +321,7 @@ public Optional<Boolean> getUnsubscribedFromEmails() {
      * @return (UNIX timestamp) The time when the contact was created.
      */
     @JsonProperty("created_at")
-    public Optional<Integer> getCreatedAt() {
+    public int getCreatedAt() {
         return createdAt;
     }
 
@@ -332,7 +329,7 @@ public Optional<Integer> getCreatedAt() {
      * @return (UNIX timestamp) The time when the contact was last updated.
      */
     @JsonProperty("updated_at")
-    public Optional<Integer> getUpdatedAt() {
+    public int getUpdatedAt() {
         return updatedAt;
     }
 
@@ -581,8 +578,7 @@ public Map<String, Object> getAdditionalProperties() {
     }
 
     private boolean equalTo(ContactsUpdateResponse other) {
-        return type.equals(other.type)
-                && id.equals(other.id)
+        return id.equals(other.id)
                 && externalId.equals(other.externalId)
                 && workspaceId.equals(other.workspaceId)
                 && role.equals(other.role)
@@ -591,11 +587,11 @@ private boolean equalTo(ContactsUpdateResponse other) {
                 && phone.equals(other.phone)
                 && name.equals(other.name)
                 && ownerId.equals(other.ownerId)
-                && hasHardBounced.equals(other.hasHardBounced)
-                && markedEmailAsSpam.equals(other.markedEmailAsSpam)
-                && unsubscribedFromEmails.equals(other.unsubscribedFromEmails)
-                && createdAt.equals(other.createdAt)
-                && updatedAt.equals(other.updatedAt)
+                && hasHardBounced == other.hasHardBounced
+                && markedEmailAsSpam == other.markedEmailAsSpam
+                && unsubscribedFromEmails == other.unsubscribedFromEmails
+                && createdAt == other.createdAt
+                && updatedAt == other.updatedAt
                 && signedUpAt.equals(other.signedUpAt)
                 && lastSeenAt.equals(other.lastSeenAt)
                 && lastRepliedAt.equals(other.lastRepliedAt)
@@ -632,7 +628,6 @@ private boolean equalTo(ContactsUpdateResponse other) {
     @java.lang.Override
     public int hashCode() {
         return Objects.hash(
-                this.type,
                 this.id,
                 this.externalId,
                 this.workspaceId,
@@ -685,791 +680,1276 @@ public String toString() {
         return ObjectMappers.stringify(this);
     }
 
-    public static Builder builder() {
+    public static IdStage builder() {
         return new Builder();
     }
 
-    @JsonIgnoreProperties(ignoreUnknown = true)
-    public static final class Builder {
-        private Optional<String> type = Optional.empty();
-
-        private Optional<String> id = Optional.empty();
-
-        private Optional<String> externalId = Optional.empty();
-
-        private Optional<String> workspaceId = Optional.empty();
+    public interface IdStage {
+        /**
+         * <p>The unique identifier for the contact which is given by Intercom.</p>
+         */
+        WorkspaceIdStage id(@NotNull String id);
 
-        private Optional<String> role = Optional.empty();
+        Builder from(ContactsUpdateResponse other);
+    }
 
-        private Optional<String> email = Optional.empty();
+    public interface WorkspaceIdStage {
+        /**
+         * <p>The id of the workspace which the contact belongs to.</p>
+         */
+        RoleStage workspaceId(@NotNull String workspaceId);
+    }
 
-        private Optional<String> emailDomain = Optional.empty();
+    public interface RoleStage {
+        /**
+         * <p>The role of the contact.</p>
+         */
+        HasHardBouncedStage role(@NotNull String role);
+    }
 
-        private Optional<String> phone = Optional.empty();
+    public interface HasHardBouncedStage {
+        /**
+         * <p>Whether the contact has had an email sent to them hard bounce.</p>
+         */
+        MarkedEmailAsSpamStage hasHardBounced(boolean hasHardBounced);
+    }
 
-        private Optional<String> name = Optional.empty();
+    public interface MarkedEmailAsSpamStage {
+        /**
+         * <p>Whether the contact has marked an email sent to them as spam.</p>
+         */
+        UnsubscribedFromEmailsStage markedEmailAsSpam(boolean markedEmailAsSpam);
+    }
 
-        private Optional<Integer> ownerId = Optional.empty();
+    public interface UnsubscribedFromEmailsStage {
+        /**
+         * <p>Whether the contact is unsubscribed from emails.</p>
+         */
+        CreatedAtStage unsubscribedFromEmails(boolean unsubscribedFromEmails);
+    }
 
-        private Optional<Boolean> hasHardBounced = Optional.empty();
+    public interface CreatedAtStage {
+        /**
+         * <p>(UNIX timestamp) The time when the contact was created.</p>
+         */
+        UpdatedAtStage createdAt(int createdAt);
+    }
 
-        private Optional<Boolean> markedEmailAsSpam = Optional.empty();
+    public interface UpdatedAtStage {
+        /**
+         * <p>(UNIX timestamp) The time when the contact was last updated.</p>
+         */
+        _FinalStage updatedAt(int updatedAt);
+    }
 
-        private Optional<Boolean> unsubscribedFromEmails = Optional.empty();
+    public interface _FinalStage {
+        ContactsUpdateResponse build();
 
-        private Optional<Integer> createdAt = Optional.empty();
+        /**
+         * <p>The unique identifier for the contact which is provided by the Client.</p>
+         */
+        _FinalStage externalId(Optional<String> externalId);
 
-        private Optional<Integer> updatedAt = Optional.empty();
+        _FinalStage externalId(String externalId);
 
-        private Optional<Integer> signedUpAt = Optional.empty();
+        /**
+         * <p>The contact's email.</p>
+         */
+        _FinalStage email(Optional<String> email);
 
-        private Optional<Integer> lastSeenAt = Optional.empty();
+        _FinalStage email(String email);
 
-        private Optional<Integer> lastRepliedAt = Optional.empty();
+        /**
+         * <p>The contact's email domain.</p>
+         */
+        _FinalStage emailDomain(Optional<String> emailDomain);
 
-        private Optional<Integer> lastContactedAt = Optional.empty();
+        _FinalStage emailDomain(String emailDomain);
 
-        private Optional<Integer> lastEmailOpenedAt = Optional.empty();
+        /**
+         * <p>The contacts phone.</p>
+         */
+        _FinalStage phone(Optional<String> phone);
 
-        private Optional<Integer> lastEmailClickedAt = Optional.empty();
+        _FinalStage phone(String phone);
 
-        private Optional<String> languageOverride = Optional.empty();
+        /**
+         * <p>The contacts name.</p>
+         */
+        _FinalStage name(Optional<String> name);
 
-        private Optional<String> browser = Optional.empty();
+        _FinalStage name(String name);
 
-        private Optional<String> browserVersion = Optional.empty();
+        /**
+         * <p>The id of an admin that has been assigned account ownership of the contact.</p>
+         */
+        _FinalStage ownerId(Optional<Integer> ownerId);
 
-        private Optional<String> browserLanguage = Optional.empty();
+        _FinalStage ownerId(Integer ownerId);
 
-        private Optional<String> os = Optional.empty();
+        /**
+         * <p>(UNIX timestamp) The time specified for when a contact signed up.</p>
+         */
+        _FinalStage signedUpAt(Optional<Integer> signedUpAt);
 
-        private Optional<String> androidAppName = Optional.empty();
+        _FinalStage signedUpAt(Integer signedUpAt);
 
-        private Optional<String> androidAppVersion = Optional.empty();
+        /**
+         * <p>(UNIX timestamp) The time when the contact was last seen (either where the Intercom Messenger was installed or when specified manually).</p>
+         */
+        _FinalStage lastSeenAt(Optional<Integer> lastSeenAt);
 
-        private Optional<String> androidDevice = Optional.empty();
+        _FinalStage lastSeenAt(Integer lastSeenAt);
 
-        private Optional<String> androidOsVersion = Optional.empty();
+        /**
+         * <p>(UNIX timestamp) The time when the contact last messaged in.</p>
+         */
+        _FinalStage lastRepliedAt(Optional<Integer> lastRepliedAt);
 
-        private Optional<String> androidSdkVersion = Optional.empty();
+        _FinalStage lastRepliedAt(Integer lastRepliedAt);
 
-        private Optional<Integer> androidLastSeenAt = Optional.empty();
+        /**
+         * <p>(UNIX timestamp) The time when the contact was last messaged.</p>
+         */
+        _FinalStage lastContactedAt(Optional<Integer> lastContactedAt);
 
-        private Optional<String> iosAppName = Optional.empty();
+        _FinalStage lastContactedAt(Integer lastContactedAt);
 
-        private Optional<String> iosAppVersion = Optional.empty();
+        /**
+         * <p>(UNIX timestamp) The time when the contact last opened an email.</p>
+         */
+        _FinalStage lastEmailOpenedAt(Optional<Integer> lastEmailOpenedAt);
 
-        private Optional<String> iosDevice = Optional.empty();
+        _FinalStage lastEmailOpenedAt(Integer lastEmailOpenedAt);
 
-        private Optional<String> iosOsVersion = Optional.empty();
+        /**
+         * <p>(UNIX timestamp) The time when the contact last clicked a link in an email.</p>
+         */
+        _FinalStage lastEmailClickedAt(Optional<Integer> lastEmailClickedAt);
 
-        private Optional<String> iosSdkVersion = Optional.empty();
+        _FinalStage lastEmailClickedAt(Integer lastEmailClickedAt);
 
-        private Optional<Integer> iosLastSeenAt = Optional.empty();
+        /**
+         * <p>A preferred language setting for the contact, used by the Intercom Messenger even if their browser settings change.</p>
+         */
+        _FinalStage languageOverride(Optional<String> languageOverride);
 
-        private Optional<Map<String, Object>> customAttributes = Optional.empty();
+        _FinalStage languageOverride(String languageOverride);
 
-        private Optional<String> avatar = Optional.empty();
+        /**
+         * <p>The name of the browser which the contact is using.</p>
+         */
+        _FinalStage browser(Optional<String> browser);
 
-        private Optional<ContactTags> tags = Optional.empty();
+        _FinalStage browser(String browser);
 
-        private Optional<ContactNotes> notes = Optional.empty();
+        /**
+         * <p>The version of the browser which the contact is using.</p>
+         */
+        _FinalStage browserVersion(Optional<String> browserVersion);
 
-        private Optional<ContactCompanies> companies = Optional.empty();
+        _FinalStage browserVersion(String browserVersion);
 
-        private Optional<ContactLocation> location = Optional.empty();
+        /**
+         * <p>The language set by the browser which the contact is using.</p>
+         */
+        _FinalStage browserLanguage(Optional<String> browserLanguage);
 
-        private Optional<ContactSocialProfiles> socialProfiles = Optional.empty();
+        _FinalStage browserLanguage(String browserLanguage);
 
-        private Optional<Boolean> enabledPushMessaging = Optional.empty();
+        /**
+         * <p>The operating system which the contact is using.</p>
+         */
+        _FinalStage os(Optional<String> os);
 
-        @JsonAnySetter
-        private Map<String, Object> additionalProperties = new HashMap<>();
+        _FinalStage os(String os);
 
-        private Builder() {}
+        /**
+         * <p>The name of the Android app which the contact is using.</p>
+         */
+        _FinalStage androidAppName(Optional<String> androidAppName);
 
-        public Builder from(ContactsUpdateResponse other) {
-            type(other.getType());
-            id(other.getId());
-            externalId(other.getExternalId());
-            workspaceId(other.getWorkspaceId());
-            role(other.getRole());
-            email(other.getEmail());
-            emailDomain(other.getEmailDomain());
-            phone(other.getPhone());
-            name(other.getName());
-            ownerId(other.getOwnerId());
-            hasHardBounced(other.getHasHardBounced());
-            markedEmailAsSpam(other.getMarkedEmailAsSpam());
-            unsubscribedFromEmails(other.getUnsubscribedFromEmails());
-            createdAt(other.getCreatedAt());
-            updatedAt(other.getUpdatedAt());
-            signedUpAt(other.getSignedUpAt());
-            lastSeenAt(other.getLastSeenAt());
-            lastRepliedAt(other.getLastRepliedAt());
-            lastContactedAt(other.getLastContactedAt());
-            lastEmailOpenedAt(other.getLastEmailOpenedAt());
-            lastEmailClickedAt(other.getLastEmailClickedAt());
-            languageOverride(other.getLanguageOverride());
-            browser(other.getBrowser());
-            browserVersion(other.getBrowserVersion());
-            browserLanguage(other.getBrowserLanguage());
-            os(other.getOs());
-            androidAppName(other.getAndroidAppName());
-            androidAppVersion(other.getAndroidAppVersion());
-            androidDevice(other.getAndroidDevice());
-            androidOsVersion(other.getAndroidOsVersion());
-            androidSdkVersion(other.getAndroidSdkVersion());
-            androidLastSeenAt(other.getAndroidLastSeenAt());
-            iosAppName(other.getIosAppName());
-            iosAppVersion(other.getIosAppVersion());
-            iosDevice(other.getIosDevice());
-            iosOsVersion(other.getIosOsVersion());
-            iosSdkVersion(other.getIosSdkVersion());
-            iosLastSeenAt(other.getIosLastSeenAt());
-            customAttributes(other.getCustomAttributes());
-            avatar(other.getAvatar());
-            tags(other.getTags());
-            notes(other.getNotes());
-            companies(other.getCompanies());
-            location(other.getLocation());
-            socialProfiles(other.getSocialProfiles());
-            enabledPushMessaging(other.getEnabledPushMessaging());
-            return this;
-        }
+        _FinalStage androidAppName(String androidAppName);
 
         /**
-         * <p>The type of object.</p>
+         * <p>The version of the Android app which the contact is using.</p>
          */
-        @JsonSetter(value = "type", nulls = Nulls.SKIP)
-        public Builder type(Optional<String> type) {
-            this.type = type;
-            return this;
-        }
+        _FinalStage androidAppVersion(Optional<String> androidAppVersion);
 
-        public Builder type(String type) {
-            this.type = Optional.ofNullable(type);
-            return this;
-        }
+        _FinalStage androidAppVersion(String androidAppVersion);
 
         /**
-         * <p>The unique identifier for the contact which is given by Intercom.</p>
+         * <p>The Android device which the contact is using.</p>
          */
-        @JsonSetter(value = "id", nulls = Nulls.SKIP)
-        public Builder id(Optional<String> id) {
-            this.id = id;
-            return this;
-        }
+        _FinalStage androidDevice(Optional<String> androidDevice);
 
-        public Builder id(String id) {
-            this.id = Optional.ofNullable(id);
-            return this;
-        }
+        _FinalStage androidDevice(String androidDevice);
 
         /**
-         * <p>The unique identifier for the contact which is provided by the Client.</p>
+         * <p>The version of the Android OS which the contact is using.</p>
          */
-        @JsonSetter(value = "external_id", nulls = Nulls.SKIP)
-        public Builder externalId(Optional<String> externalId) {
-            this.externalId = externalId;
-            return this;
-        }
+        _FinalStage androidOsVersion(Optional<String> androidOsVersion);
 
-        public Builder externalId(String externalId) {
-            this.externalId = Optional.ofNullable(externalId);
-            return this;
-        }
+        _FinalStage androidOsVersion(String androidOsVersion);
 
         /**
-         * <p>The id of the workspace which the contact belongs to.</p>
+         * <p>The version of the Android SDK which the contact is using.</p>
          */
-        @JsonSetter(value = "workspace_id", nulls = Nulls.SKIP)
-        public Builder workspaceId(Optional<String> workspaceId) {
-            this.workspaceId = workspaceId;
-            return this;
-        }
+        _FinalStage androidSdkVersion(Optional<String> androidSdkVersion);
 
-        public Builder workspaceId(String workspaceId) {
-            this.workspaceId = Optional.ofNullable(workspaceId);
-            return this;
-        }
+        _FinalStage androidSdkVersion(String androidSdkVersion);
 
         /**
-         * <p>The role of the contact.</p>
+         * <p>(UNIX timestamp) The time when the contact was last seen on an Android device.</p>
          */
-        @JsonSetter(value = "role", nulls = Nulls.SKIP)
-        public Builder role(Optional<String> role) {
-            this.role = role;
-            return this;
-        }
+        _FinalStage androidLastSeenAt(Optional<Integer> androidLastSeenAt);
 
-        public Builder role(String role) {
-            this.role = Optional.ofNullable(role);
-            return this;
-        }
+        _FinalStage androidLastSeenAt(Integer androidLastSeenAt);
 
         /**
-         * <p>The contact's email.</p>
+         * <p>The name of the iOS app which the contact is using.</p>
          */
-        @JsonSetter(value = "email", nulls = Nulls.SKIP)
-        public Builder email(Optional<String> email) {
-            this.email = email;
-            return this;
-        }
+        _FinalStage iosAppName(Optional<String> iosAppName);
 
-        public Builder email(String email) {
-            this.email = Optional.ofNullable(email);
-            return this;
-        }
+        _FinalStage iosAppName(String iosAppName);
 
         /**
-         * <p>The contact's email domain.</p>
+         * <p>The version of the iOS app which the contact is using.</p>
          */
-        @JsonSetter(value = "email_domain", nulls = Nulls.SKIP)
-        public Builder emailDomain(Optional<String> emailDomain) {
-            this.emailDomain = emailDomain;
-            return this;
-        }
+        _FinalStage iosAppVersion(Optional<String> iosAppVersion);
 
-        public Builder emailDomain(String emailDomain) {
-            this.emailDomain = Optional.ofNullable(emailDomain);
-            return this;
-        }
+        _FinalStage iosAppVersion(String iosAppVersion);
 
         /**
-         * <p>The contacts phone.</p>
+         * <p>The iOS device which the contact is using.</p>
          */
-        @JsonSetter(value = "phone", nulls = Nulls.SKIP)
-        public Builder phone(Optional<String> phone) {
-            this.phone = phone;
-            return this;
-        }
+        _FinalStage iosDevice(Optional<String> iosDevice);
 
-        public Builder phone(String phone) {
-            this.phone = Optional.ofNullable(phone);
-            return this;
-        }
+        _FinalStage iosDevice(String iosDevice);
 
         /**
-         * <p>The contacts name.</p>
+         * <p>The version of iOS which the contact is using.</p>
          */
-        @JsonSetter(value = "name", nulls = Nulls.SKIP)
-        public Builder name(Optional<String> name) {
-            this.name = name;
-            return this;
-        }
+        _FinalStage iosOsVersion(Optional<String> iosOsVersion);
 
-        public Builder name(String name) {
-            this.name = Optional.ofNullable(name);
-            return this;
-        }
+        _FinalStage iosOsVersion(String iosOsVersion);
 
         /**
-         * <p>The id of an admin that has been assigned account ownership of the contact.</p>
+         * <p>The version of the iOS SDK which the contact is using.</p>
          */
-        @JsonSetter(value = "owner_id", nulls = Nulls.SKIP)
-        public Builder ownerId(Optional<Integer> ownerId) {
-            this.ownerId = ownerId;
-            return this;
-        }
+        _FinalStage iosSdkVersion(Optional<String> iosSdkVersion);
 
-        public Builder ownerId(Integer ownerId) {
-            this.ownerId = Optional.ofNullable(ownerId);
-            return this;
-        }
+        _FinalStage iosSdkVersion(String iosSdkVersion);
 
         /**
-         * <p>Whether the contact has had an email sent to them hard bounce.</p>
+         * <p>(UNIX timestamp) The last time the contact used the iOS app.</p>
          */
-        @JsonSetter(value = "has_hard_bounced", nulls = Nulls.SKIP)
-        public Builder hasHardBounced(Optional<Boolean> hasHardBounced) {
-            this.hasHardBounced = hasHardBounced;
+        _FinalStage iosLastSeenAt(Optional<Integer> iosLastSeenAt);
+
+        _FinalStage iosLastSeenAt(Integer iosLastSeenAt);
+
+        /**
+         * <p>The custom attributes which are set for the contact.</p>
+         */
+        _FinalStage customAttributes(Optional<Map<String, Object>> customAttributes);
+
+        _FinalStage customAttributes(Map<String, Object> customAttributes);
+
+        /**
+         * <p>An image URL containing the avatar of a contact.</p>
+         */
+        _FinalStage avatar(Optional<String> avatar);
+
+        _FinalStage avatar(String avatar);
+
+        _FinalStage tags(Optional<ContactTags> tags);
+
+        _FinalStage tags(ContactTags tags);
+
+        _FinalStage notes(Optional<ContactNotes> notes);
+
+        _FinalStage notes(ContactNotes notes);
+
+        _FinalStage companies(Optional<ContactCompanies> companies);
+
+        _FinalStage companies(ContactCompanies companies);
+
+        _FinalStage location(Optional<ContactLocation> location);
+
+        _FinalStage location(ContactLocation location);
+
+        _FinalStage socialProfiles(Optional<ContactSocialProfiles> socialProfiles);
+
+        _FinalStage socialProfiles(ContactSocialProfiles socialProfiles);
+
+        /**
+         * <p>If the user has enabled push messaging.</p>
+         */
+        _FinalStage enabledPushMessaging(Optional<Boolean> enabledPushMessaging);
+
+        _FinalStage enabledPushMessaging(Boolean enabledPushMessaging);
+    }
+
+    @JsonIgnoreProperties(ignoreUnknown = true)
+    public static final class Builder
+            implements IdStage,
+                    WorkspaceIdStage,
+                    RoleStage,
+                    HasHardBouncedStage,
+                    MarkedEmailAsSpamStage,
+                    UnsubscribedFromEmailsStage,
+                    CreatedAtStage,
+                    UpdatedAtStage,
+                    _FinalStage {
+        private String id;
+
+        private String workspaceId;
+
+        private String role;
+
+        private boolean hasHardBounced;
+
+        private boolean markedEmailAsSpam;
+
+        private boolean unsubscribedFromEmails;
+
+        private int createdAt;
+
+        private int updatedAt;
+
+        private Optional<Boolean> enabledPushMessaging = Optional.empty();
+
+        private Optional<ContactSocialProfiles> socialProfiles = Optional.empty();
+
+        private Optional<ContactLocation> location = Optional.empty();
+
+        private Optional<ContactCompanies> companies = Optional.empty();
+
+        private Optional<ContactNotes> notes = Optional.empty();
+
+        private Optional<ContactTags> tags = Optional.empty();
+
+        private Optional<String> avatar = Optional.empty();
+
+        private Optional<Map<String, Object>> customAttributes = Optional.empty();
+
+        private Optional<Integer> iosLastSeenAt = Optional.empty();
+
+        private Optional<String> iosSdkVersion = Optional.empty();
+
+        private Optional<String> iosOsVersion = Optional.empty();
+
+        private Optional<String> iosDevice = Optional.empty();
+
+        private Optional<String> iosAppVersion = Optional.empty();
+
+        private Optional<String> iosAppName = Optional.empty();
+
+        private Optional<Integer> androidLastSeenAt = Optional.empty();
+
+        private Optional<String> androidSdkVersion = Optional.empty();
+
+        private Optional<String> androidOsVersion = Optional.empty();
+
+        private Optional<String> androidDevice = Optional.empty();
+
+        private Optional<String> androidAppVersion = Optional.empty();
+
+        private Optional<String> androidAppName = Optional.empty();
+
+        private Optional<String> os = Optional.empty();
+
+        private Optional<String> browserLanguage = Optional.empty();
+
+        private Optional<String> browserVersion = Optional.empty();
+
+        private Optional<String> browser = Optional.empty();
+
+        private Optional<String> languageOverride = Optional.empty();
+
+        private Optional<Integer> lastEmailClickedAt = Optional.empty();
+
+        private Optional<Integer> lastEmailOpenedAt = Optional.empty();
+
+        private Optional<Integer> lastContactedAt = Optional.empty();
+
+        private Optional<Integer> lastRepliedAt = Optional.empty();
+
+        private Optional<Integer> lastSeenAt = Optional.empty();
+
+        private Optional<Integer> signedUpAt = Optional.empty();
+
+        private Optional<Integer> ownerId = Optional.empty();
+
+        private Optional<String> name = Optional.empty();
+
+        private Optional<String> phone = Optional.empty();
+
+        private Optional<String> emailDomain = Optional.empty();
+
+        private Optional<String> email = Optional.empty();
+
+        private Optional<String> externalId = Optional.empty();
+
+        @JsonAnySetter
+        private Map<String, Object> additionalProperties = new HashMap<>();
+
+        private Builder() {}
+
+        @java.lang.Override
+        public Builder from(ContactsUpdateResponse other) {
+            id(other.getId());
+            externalId(other.getExternalId());
+            workspaceId(other.getWorkspaceId());
+            role(other.getRole());
+            email(other.getEmail());
+            emailDomain(other.getEmailDomain());
+            phone(other.getPhone());
+            name(other.getName());
+            ownerId(other.getOwnerId());
+            hasHardBounced(other.getHasHardBounced());
+            markedEmailAsSpam(other.getMarkedEmailAsSpam());
+            unsubscribedFromEmails(other.getUnsubscribedFromEmails());
+            createdAt(other.getCreatedAt());
+            updatedAt(other.getUpdatedAt());
+            signedUpAt(other.getSignedUpAt());
+            lastSeenAt(other.getLastSeenAt());
+            lastRepliedAt(other.getLastRepliedAt());
+            lastContactedAt(other.getLastContactedAt());
+            lastEmailOpenedAt(other.getLastEmailOpenedAt());
+            lastEmailClickedAt(other.getLastEmailClickedAt());
+            languageOverride(other.getLanguageOverride());
+            browser(other.getBrowser());
+            browserVersion(other.getBrowserVersion());
+            browserLanguage(other.getBrowserLanguage());
+            os(other.getOs());
+            androidAppName(other.getAndroidAppName());
+            androidAppVersion(other.getAndroidAppVersion());
+            androidDevice(other.getAndroidDevice());
+            androidOsVersion(other.getAndroidOsVersion());
+            androidSdkVersion(other.getAndroidSdkVersion());
+            androidLastSeenAt(other.getAndroidLastSeenAt());
+            iosAppName(other.getIosAppName());
+            iosAppVersion(other.getIosAppVersion());
+            iosDevice(other.getIosDevice());
+            iosOsVersion(other.getIosOsVersion());
+            iosSdkVersion(other.getIosSdkVersion());
+            iosLastSeenAt(other.getIosLastSeenAt());
+            customAttributes(other.getCustomAttributes());
+            avatar(other.getAvatar());
+            tags(other.getTags());
+            notes(other.getNotes());
+            companies(other.getCompanies());
+            location(other.getLocation());
+            socialProfiles(other.getSocialProfiles());
+            enabledPushMessaging(other.getEnabledPushMessaging());
             return this;
         }
 
-        public Builder hasHardBounced(Boolean hasHardBounced) {
-            this.hasHardBounced = Optional.ofNullable(hasHardBounced);
+        /**
+         * <p>The unique identifier for the contact which is given by Intercom.</p>
+         * <p>The unique identifier for the contact which is given by Intercom.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
+         */
+        @java.lang.Override
+        @JsonSetter("id")
+        public WorkspaceIdStage id(@NotNull String id) {
+            this.id = Objects.requireNonNull(id, "id must not be null");
             return this;
         }
 
         /**
-         * <p>Whether the contact has marked an email sent to them as spam.</p>
+         * <p>The id of the workspace which the contact belongs to.</p>
+         * <p>The id of the workspace which the contact belongs to.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "marked_email_as_spam", nulls = Nulls.SKIP)
-        public Builder markedEmailAsSpam(Optional<Boolean> markedEmailAsSpam) {
-            this.markedEmailAsSpam = markedEmailAsSpam;
+        @java.lang.Override
+        @JsonSetter("workspace_id")
+        public RoleStage workspaceId(@NotNull String workspaceId) {
+            this.workspaceId = Objects.requireNonNull(workspaceId, "workspaceId must not be null");
             return this;
         }
 
-        public Builder markedEmailAsSpam(Boolean markedEmailAsSpam) {
-            this.markedEmailAsSpam = Optional.ofNullable(markedEmailAsSpam);
+        /**
+         * <p>The role of the contact.</p>
+         * <p>The role of the contact.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
+         */
+        @java.lang.Override
+        @JsonSetter("role")
+        public HasHardBouncedStage role(@NotNull String role) {
+            this.role = Objects.requireNonNull(role, "role must not be null");
             return this;
         }
 
         /**
-         * <p>Whether the contact is unsubscribed from emails.</p>
+         * <p>Whether the contact has had an email sent to them hard bounce.</p>
+         * <p>Whether the contact has had an email sent to them hard bounce.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "unsubscribed_from_emails", nulls = Nulls.SKIP)
-        public Builder unsubscribedFromEmails(Optional<Boolean> unsubscribedFromEmails) {
-            this.unsubscribedFromEmails = unsubscribedFromEmails;
+        @java.lang.Override
+        @JsonSetter("has_hard_bounced")
+        public MarkedEmailAsSpamStage hasHardBounced(boolean hasHardBounced) {
+            this.hasHardBounced = hasHardBounced;
             return this;
         }
 
-        public Builder unsubscribedFromEmails(Boolean unsubscribedFromEmails) {
-            this.unsubscribedFromEmails = Optional.ofNullable(unsubscribedFromEmails);
+        /**
+         * <p>Whether the contact has marked an email sent to them as spam.</p>
+         * <p>Whether the contact has marked an email sent to them as spam.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
+         */
+        @java.lang.Override
+        @JsonSetter("marked_email_as_spam")
+        public UnsubscribedFromEmailsStage markedEmailAsSpam(boolean markedEmailAsSpam) {
+            this.markedEmailAsSpam = markedEmailAsSpam;
             return this;
         }
 
         /**
-         * <p>(UNIX timestamp) The time when the contact was created.</p>
+         * <p>Whether the contact is unsubscribed from emails.</p>
+         * <p>Whether the contact is unsubscribed from emails.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "created_at", nulls = Nulls.SKIP)
-        public Builder createdAt(Optional<Integer> createdAt) {
-            this.createdAt = createdAt;
+        @java.lang.Override
+        @JsonSetter("unsubscribed_from_emails")
+        public CreatedAtStage unsubscribedFromEmails(boolean unsubscribedFromEmails) {
+            this.unsubscribedFromEmails = unsubscribedFromEmails;
             return this;
         }
 
-        public Builder createdAt(Integer createdAt) {
-            this.createdAt = Optional.ofNullable(createdAt);
+        /**
+         * <p>(UNIX timestamp) The time when the contact was created.</p>
+         * <p>(UNIX timestamp) The time when the contact was created.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
+         */
+        @java.lang.Override
+        @JsonSetter("created_at")
+        public UpdatedAtStage createdAt(int createdAt) {
+            this.createdAt = createdAt;
             return this;
         }
 
         /**
          * <p>(UNIX timestamp) The time when the contact was last updated.</p>
+         * <p>(UNIX timestamp) The time when the contact was last updated.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "updated_at", nulls = Nulls.SKIP)
-        public Builder updatedAt(Optional<Integer> updatedAt) {
+        @java.lang.Override
+        @JsonSetter("updated_at")
+        public _FinalStage updatedAt(int updatedAt) {
             this.updatedAt = updatedAt;
             return this;
         }
 
-        public Builder updatedAt(Integer updatedAt) {
-            this.updatedAt = Optional.ofNullable(updatedAt);
+        /**
+         * <p>If the user has enabled push messaging.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
+         */
+        @java.lang.Override
+        public _FinalStage enabledPushMessaging(Boolean enabledPushMessaging) {
+            this.enabledPushMessaging = Optional.ofNullable(enabledPushMessaging);
             return this;
         }
 
         /**
-         * <p>(UNIX timestamp) The time specified for when a contact signed up.</p>
+         * <p>If the user has enabled push messaging.</p>
          */
-        @JsonSetter(value = "signed_up_at", nulls = Nulls.SKIP)
-        public Builder signedUpAt(Optional<Integer> signedUpAt) {
-            this.signedUpAt = signedUpAt;
+        @java.lang.Override
+        @JsonSetter(value = "enabled_push_messaging", nulls = Nulls.SKIP)
+        public _FinalStage enabledPushMessaging(Optional<Boolean> enabledPushMessaging) {
+            this.enabledPushMessaging = enabledPushMessaging;
             return this;
         }
 
-        public Builder signedUpAt(Integer signedUpAt) {
-            this.signedUpAt = Optional.ofNullable(signedUpAt);
+        @java.lang.Override
+        public _FinalStage socialProfiles(ContactSocialProfiles socialProfiles) {
+            this.socialProfiles = Optional.ofNullable(socialProfiles);
+            return this;
+        }
+
+        @java.lang.Override
+        @JsonSetter(value = "social_profiles", nulls = Nulls.SKIP)
+        public _FinalStage socialProfiles(Optional<ContactSocialProfiles> socialProfiles) {
+            this.socialProfiles = socialProfiles;
+            return this;
+        }
+
+        @java.lang.Override
+        public _FinalStage location(ContactLocation location) {
+            this.location = Optional.ofNullable(location);
+            return this;
+        }
+
+        @java.lang.Override
+        @JsonSetter(value = "location", nulls = Nulls.SKIP)
+        public _FinalStage location(Optional<ContactLocation> location) {
+            this.location = location;
+            return this;
+        }
+
+        @java.lang.Override
+        public _FinalStage companies(ContactCompanies companies) {
+            this.companies = Optional.ofNullable(companies);
+            return this;
+        }
+
+        @java.lang.Override
+        @JsonSetter(value = "companies", nulls = Nulls.SKIP)
+        public _FinalStage companies(Optional<ContactCompanies> companies) {
+            this.companies = companies;
+            return this;
+        }
+
+        @java.lang.Override
+        public _FinalStage notes(ContactNotes notes) {
+            this.notes = Optional.ofNullable(notes);
+            return this;
+        }
+
+        @java.lang.Override
+        @JsonSetter(value = "notes", nulls = Nulls.SKIP)
+        public _FinalStage notes(Optional<ContactNotes> notes) {
+            this.notes = notes;
+            return this;
+        }
+
+        @java.lang.Override
+        public _FinalStage tags(ContactTags tags) {
+            this.tags = Optional.ofNullable(tags);
+            return this;
+        }
+
+        @java.lang.Override
+        @JsonSetter(value = "tags", nulls = Nulls.SKIP)
+        public _FinalStage tags(Optional<ContactTags> tags) {
+            this.tags = tags;
             return this;
         }
 
         /**
-         * <p>(UNIX timestamp) The time when the contact was last seen (either where the Intercom Messenger was installed or when specified manually).</p>
+         * <p>An image URL containing the avatar of a contact.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "last_seen_at", nulls = Nulls.SKIP)
-        public Builder lastSeenAt(Optional<Integer> lastSeenAt) {
-            this.lastSeenAt = lastSeenAt;
+        @java.lang.Override
+        public _FinalStage avatar(String avatar) {
+            this.avatar = Optional.ofNullable(avatar);
             return this;
         }
 
-        public Builder lastSeenAt(Integer lastSeenAt) {
-            this.lastSeenAt = Optional.ofNullable(lastSeenAt);
+        /**
+         * <p>An image URL containing the avatar of a contact.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "avatar", nulls = Nulls.SKIP)
+        public _FinalStage avatar(Optional<String> avatar) {
+            this.avatar = avatar;
             return this;
         }
 
         /**
-         * <p>(UNIX timestamp) The time when the contact last messaged in.</p>
+         * <p>The custom attributes which are set for the contact.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "last_replied_at", nulls = Nulls.SKIP)
-        public Builder lastRepliedAt(Optional<Integer> lastRepliedAt) {
-            this.lastRepliedAt = lastRepliedAt;
+        @java.lang.Override
+        public _FinalStage customAttributes(Map<String, Object> customAttributes) {
+            this.customAttributes = Optional.ofNullable(customAttributes);
             return this;
         }
 
-        public Builder lastRepliedAt(Integer lastRepliedAt) {
-            this.lastRepliedAt = Optional.ofNullable(lastRepliedAt);
+        /**
+         * <p>The custom attributes which are set for the contact.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "custom_attributes", nulls = Nulls.SKIP)
+        public _FinalStage customAttributes(Optional<Map<String, Object>> customAttributes) {
+            this.customAttributes = customAttributes;
             return this;
         }
 
         /**
-         * <p>(UNIX timestamp) The time when the contact was last messaged.</p>
+         * <p>(UNIX timestamp) The last time the contact used the iOS app.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "last_contacted_at", nulls = Nulls.SKIP)
-        public Builder lastContactedAt(Optional<Integer> lastContactedAt) {
-            this.lastContactedAt = lastContactedAt;
+        @java.lang.Override
+        public _FinalStage iosLastSeenAt(Integer iosLastSeenAt) {
+            this.iosLastSeenAt = Optional.ofNullable(iosLastSeenAt);
             return this;
         }
 
-        public Builder lastContactedAt(Integer lastContactedAt) {
-            this.lastContactedAt = Optional.ofNullable(lastContactedAt);
+        /**
+         * <p>(UNIX timestamp) The last time the contact used the iOS app.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "ios_last_seen_at", nulls = Nulls.SKIP)
+        public _FinalStage iosLastSeenAt(Optional<Integer> iosLastSeenAt) {
+            this.iosLastSeenAt = iosLastSeenAt;
             return this;
         }
 
         /**
-         * <p>(UNIX timestamp) The time when the contact last opened an email.</p>
+         * <p>The version of the iOS SDK which the contact is using.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "last_email_opened_at", nulls = Nulls.SKIP)
-        public Builder lastEmailOpenedAt(Optional<Integer> lastEmailOpenedAt) {
-            this.lastEmailOpenedAt = lastEmailOpenedAt;
+        @java.lang.Override
+        public _FinalStage iosSdkVersion(String iosSdkVersion) {
+            this.iosSdkVersion = Optional.ofNullable(iosSdkVersion);
             return this;
         }
 
-        public Builder lastEmailOpenedAt(Integer lastEmailOpenedAt) {
-            this.lastEmailOpenedAt = Optional.ofNullable(lastEmailOpenedAt);
+        /**
+         * <p>The version of the iOS SDK which the contact is using.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "ios_sdk_version", nulls = Nulls.SKIP)
+        public _FinalStage iosSdkVersion(Optional<String> iosSdkVersion) {
+            this.iosSdkVersion = iosSdkVersion;
             return this;
         }
 
         /**
-         * <p>(UNIX timestamp) The time when the contact last clicked a link in an email.</p>
+         * <p>The version of iOS which the contact is using.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "last_email_clicked_at", nulls = Nulls.SKIP)
-        public Builder lastEmailClickedAt(Optional<Integer> lastEmailClickedAt) {
-            this.lastEmailClickedAt = lastEmailClickedAt;
+        @java.lang.Override
+        public _FinalStage iosOsVersion(String iosOsVersion) {
+            this.iosOsVersion = Optional.ofNullable(iosOsVersion);
             return this;
         }
 
-        public Builder lastEmailClickedAt(Integer lastEmailClickedAt) {
-            this.lastEmailClickedAt = Optional.ofNullable(lastEmailClickedAt);
+        /**
+         * <p>The version of iOS which the contact is using.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "ios_os_version", nulls = Nulls.SKIP)
+        public _FinalStage iosOsVersion(Optional<String> iosOsVersion) {
+            this.iosOsVersion = iosOsVersion;
             return this;
         }
 
         /**
-         * <p>A preferred language setting for the contact, used by the Intercom Messenger even if their browser settings change.</p>
+         * <p>The iOS device which the contact is using.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "language_override", nulls = Nulls.SKIP)
-        public Builder languageOverride(Optional<String> languageOverride) {
-            this.languageOverride = languageOverride;
+        @java.lang.Override
+        public _FinalStage iosDevice(String iosDevice) {
+            this.iosDevice = Optional.ofNullable(iosDevice);
             return this;
         }
 
-        public Builder languageOverride(String languageOverride) {
-            this.languageOverride = Optional.ofNullable(languageOverride);
+        /**
+         * <p>The iOS device which the contact is using.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "ios_device", nulls = Nulls.SKIP)
+        public _FinalStage iosDevice(Optional<String> iosDevice) {
+            this.iosDevice = iosDevice;
             return this;
         }
 
         /**
-         * <p>The name of the browser which the contact is using.</p>
+         * <p>The version of the iOS app which the contact is using.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "browser", nulls = Nulls.SKIP)
-        public Builder browser(Optional<String> browser) {
-            this.browser = browser;
+        @java.lang.Override
+        public _FinalStage iosAppVersion(String iosAppVersion) {
+            this.iosAppVersion = Optional.ofNullable(iosAppVersion);
+            return this;
+        }
+
+        /**
+         * <p>The version of the iOS app which the contact is using.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "ios_app_version", nulls = Nulls.SKIP)
+        public _FinalStage iosAppVersion(Optional<String> iosAppVersion) {
+            this.iosAppVersion = iosAppVersion;
+            return this;
+        }
+
+        /**
+         * <p>The name of the iOS app which the contact is using.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
+         */
+        @java.lang.Override
+        public _FinalStage iosAppName(String iosAppName) {
+            this.iosAppName = Optional.ofNullable(iosAppName);
+            return this;
+        }
+
+        /**
+         * <p>The name of the iOS app which the contact is using.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "ios_app_name", nulls = Nulls.SKIP)
+        public _FinalStage iosAppName(Optional<String> iosAppName) {
+            this.iosAppName = iosAppName;
             return this;
         }
 
-        public Builder browser(String browser) {
-            this.browser = Optional.ofNullable(browser);
+        /**
+         * <p>(UNIX timestamp) The time when the contact was last seen on an Android device.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
+         */
+        @java.lang.Override
+        public _FinalStage androidLastSeenAt(Integer androidLastSeenAt) {
+            this.androidLastSeenAt = Optional.ofNullable(androidLastSeenAt);
             return this;
         }
 
         /**
-         * <p>The version of the browser which the contact is using.</p>
+         * <p>(UNIX timestamp) The time when the contact was last seen on an Android device.</p>
          */
-        @JsonSetter(value = "browser_version", nulls = Nulls.SKIP)
-        public Builder browserVersion(Optional<String> browserVersion) {
-            this.browserVersion = browserVersion;
+        @java.lang.Override
+        @JsonSetter(value = "android_last_seen_at", nulls = Nulls.SKIP)
+        public _FinalStage androidLastSeenAt(Optional<Integer> androidLastSeenAt) {
+            this.androidLastSeenAt = androidLastSeenAt;
             return this;
         }
 
-        public Builder browserVersion(String browserVersion) {
-            this.browserVersion = Optional.ofNullable(browserVersion);
+        /**
+         * <p>The version of the Android SDK which the contact is using.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
+         */
+        @java.lang.Override
+        public _FinalStage androidSdkVersion(String androidSdkVersion) {
+            this.androidSdkVersion = Optional.ofNullable(androidSdkVersion);
             return this;
         }
 
         /**
-         * <p>The language set by the browser which the contact is using.</p>
+         * <p>The version of the Android SDK which the contact is using.</p>
          */
-        @JsonSetter(value = "browser_language", nulls = Nulls.SKIP)
-        public Builder browserLanguage(Optional<String> browserLanguage) {
-            this.browserLanguage = browserLanguage;
+        @java.lang.Override
+        @JsonSetter(value = "android_sdk_version", nulls = Nulls.SKIP)
+        public _FinalStage androidSdkVersion(Optional<String> androidSdkVersion) {
+            this.androidSdkVersion = androidSdkVersion;
             return this;
         }
 
-        public Builder browserLanguage(String browserLanguage) {
-            this.browserLanguage = Optional.ofNullable(browserLanguage);
+        /**
+         * <p>The version of the Android OS which the contact is using.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
+         */
+        @java.lang.Override
+        public _FinalStage androidOsVersion(String androidOsVersion) {
+            this.androidOsVersion = Optional.ofNullable(androidOsVersion);
             return this;
         }
 
         /**
-         * <p>The operating system which the contact is using.</p>
+         * <p>The version of the Android OS which the contact is using.</p>
          */
-        @JsonSetter(value = "os", nulls = Nulls.SKIP)
-        public Builder os(Optional<String> os) {
-            this.os = os;
+        @java.lang.Override
+        @JsonSetter(value = "android_os_version", nulls = Nulls.SKIP)
+        public _FinalStage androidOsVersion(Optional<String> androidOsVersion) {
+            this.androidOsVersion = androidOsVersion;
             return this;
         }
 
-        public Builder os(String os) {
-            this.os = Optional.ofNullable(os);
+        /**
+         * <p>The Android device which the contact is using.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
+         */
+        @java.lang.Override
+        public _FinalStage androidDevice(String androidDevice) {
+            this.androidDevice = Optional.ofNullable(androidDevice);
             return this;
         }
 
         /**
-         * <p>The name of the Android app which the contact is using.</p>
+         * <p>The Android device which the contact is using.</p>
          */
-        @JsonSetter(value = "android_app_name", nulls = Nulls.SKIP)
-        public Builder androidAppName(Optional<String> androidAppName) {
-            this.androidAppName = androidAppName;
+        @java.lang.Override
+        @JsonSetter(value = "android_device", nulls = Nulls.SKIP)
+        public _FinalStage androidDevice(Optional<String> androidDevice) {
+            this.androidDevice = androidDevice;
             return this;
         }
 
-        public Builder androidAppName(String androidAppName) {
-            this.androidAppName = Optional.ofNullable(androidAppName);
+        /**
+         * <p>The version of the Android app which the contact is using.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
+         */
+        @java.lang.Override
+        public _FinalStage androidAppVersion(String androidAppVersion) {
+            this.androidAppVersion = Optional.ofNullable(androidAppVersion);
             return this;
         }
 
         /**
          * <p>The version of the Android app which the contact is using.</p>
          */
+        @java.lang.Override
         @JsonSetter(value = "android_app_version", nulls = Nulls.SKIP)
-        public Builder androidAppVersion(Optional<String> androidAppVersion) {
+        public _FinalStage androidAppVersion(Optional<String> androidAppVersion) {
             this.androidAppVersion = androidAppVersion;
             return this;
         }
 
-        public Builder androidAppVersion(String androidAppVersion) {
-            this.androidAppVersion = Optional.ofNullable(androidAppVersion);
-            return this;
-        }
-
         /**
-         * <p>The Android device which the contact is using.</p>
+         * <p>The name of the Android app which the contact is using.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "android_device", nulls = Nulls.SKIP)
-        public Builder androidDevice(Optional<String> androidDevice) {
-            this.androidDevice = androidDevice;
+        @java.lang.Override
+        public _FinalStage androidAppName(String androidAppName) {
+            this.androidAppName = Optional.ofNullable(androidAppName);
             return this;
         }
 
-        public Builder androidDevice(String androidDevice) {
-            this.androidDevice = Optional.ofNullable(androidDevice);
+        /**
+         * <p>The name of the Android app which the contact is using.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "android_app_name", nulls = Nulls.SKIP)
+        public _FinalStage androidAppName(Optional<String> androidAppName) {
+            this.androidAppName = androidAppName;
             return this;
         }
 
         /**
-         * <p>The version of the Android OS which the contact is using.</p>
+         * <p>The operating system which the contact is using.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "android_os_version", nulls = Nulls.SKIP)
-        public Builder androidOsVersion(Optional<String> androidOsVersion) {
-            this.androidOsVersion = androidOsVersion;
+        @java.lang.Override
+        public _FinalStage os(String os) {
+            this.os = Optional.ofNullable(os);
             return this;
         }
 
-        public Builder androidOsVersion(String androidOsVersion) {
-            this.androidOsVersion = Optional.ofNullable(androidOsVersion);
+        /**
+         * <p>The operating system which the contact is using.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "os", nulls = Nulls.SKIP)
+        public _FinalStage os(Optional<String> os) {
+            this.os = os;
             return this;
         }
 
         /**
-         * <p>The version of the Android SDK which the contact is using.</p>
+         * <p>The language set by the browser which the contact is using.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "android_sdk_version", nulls = Nulls.SKIP)
-        public Builder androidSdkVersion(Optional<String> androidSdkVersion) {
-            this.androidSdkVersion = androidSdkVersion;
+        @java.lang.Override
+        public _FinalStage browserLanguage(String browserLanguage) {
+            this.browserLanguage = Optional.ofNullable(browserLanguage);
             return this;
         }
 
-        public Builder androidSdkVersion(String androidSdkVersion) {
-            this.androidSdkVersion = Optional.ofNullable(androidSdkVersion);
+        /**
+         * <p>The language set by the browser which the contact is using.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "browser_language", nulls = Nulls.SKIP)
+        public _FinalStage browserLanguage(Optional<String> browserLanguage) {
+            this.browserLanguage = browserLanguage;
             return this;
         }
 
         /**
-         * <p>(UNIX timestamp) The time when the contact was last seen on an Android device.</p>
+         * <p>The version of the browser which the contact is using.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "android_last_seen_at", nulls = Nulls.SKIP)
-        public Builder androidLastSeenAt(Optional<Integer> androidLastSeenAt) {
-            this.androidLastSeenAt = androidLastSeenAt;
+        @java.lang.Override
+        public _FinalStage browserVersion(String browserVersion) {
+            this.browserVersion = Optional.ofNullable(browserVersion);
             return this;
         }
 
-        public Builder androidLastSeenAt(Integer androidLastSeenAt) {
-            this.androidLastSeenAt = Optional.ofNullable(androidLastSeenAt);
+        /**
+         * <p>The version of the browser which the contact is using.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "browser_version", nulls = Nulls.SKIP)
+        public _FinalStage browserVersion(Optional<String> browserVersion) {
+            this.browserVersion = browserVersion;
             return this;
         }
 
         /**
-         * <p>The name of the iOS app which the contact is using.</p>
+         * <p>The name of the browser which the contact is using.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "ios_app_name", nulls = Nulls.SKIP)
-        public Builder iosAppName(Optional<String> iosAppName) {
-            this.iosAppName = iosAppName;
+        @java.lang.Override
+        public _FinalStage browser(String browser) {
+            this.browser = Optional.ofNullable(browser);
             return this;
         }
 
-        public Builder iosAppName(String iosAppName) {
-            this.iosAppName = Optional.ofNullable(iosAppName);
+        /**
+         * <p>The name of the browser which the contact is using.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "browser", nulls = Nulls.SKIP)
+        public _FinalStage browser(Optional<String> browser) {
+            this.browser = browser;
             return this;
         }
 
         /**
-         * <p>The version of the iOS app which the contact is using.</p>
+         * <p>A preferred language setting for the contact, used by the Intercom Messenger even if their browser settings change.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "ios_app_version", nulls = Nulls.SKIP)
-        public Builder iosAppVersion(Optional<String> iosAppVersion) {
-            this.iosAppVersion = iosAppVersion;
+        @java.lang.Override
+        public _FinalStage languageOverride(String languageOverride) {
+            this.languageOverride = Optional.ofNullable(languageOverride);
             return this;
         }
 
-        public Builder iosAppVersion(String iosAppVersion) {
-            this.iosAppVersion = Optional.ofNullable(iosAppVersion);
+        /**
+         * <p>A preferred language setting for the contact, used by the Intercom Messenger even if their browser settings change.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "language_override", nulls = Nulls.SKIP)
+        public _FinalStage languageOverride(Optional<String> languageOverride) {
+            this.languageOverride = languageOverride;
             return this;
         }
 
         /**
-         * <p>The iOS device which the contact is using.</p>
+         * <p>(UNIX timestamp) The time when the contact last clicked a link in an email.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "ios_device", nulls = Nulls.SKIP)
-        public Builder iosDevice(Optional<String> iosDevice) {
-            this.iosDevice = iosDevice;
+        @java.lang.Override
+        public _FinalStage lastEmailClickedAt(Integer lastEmailClickedAt) {
+            this.lastEmailClickedAt = Optional.ofNullable(lastEmailClickedAt);
             return this;
         }
 
-        public Builder iosDevice(String iosDevice) {
-            this.iosDevice = Optional.ofNullable(iosDevice);
+        /**
+         * <p>(UNIX timestamp) The time when the contact last clicked a link in an email.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "last_email_clicked_at", nulls = Nulls.SKIP)
+        public _FinalStage lastEmailClickedAt(Optional<Integer> lastEmailClickedAt) {
+            this.lastEmailClickedAt = lastEmailClickedAt;
             return this;
         }
 
         /**
-         * <p>The version of iOS which the contact is using.</p>
+         * <p>(UNIX timestamp) The time when the contact last opened an email.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "ios_os_version", nulls = Nulls.SKIP)
-        public Builder iosOsVersion(Optional<String> iosOsVersion) {
-            this.iosOsVersion = iosOsVersion;
+        @java.lang.Override
+        public _FinalStage lastEmailOpenedAt(Integer lastEmailOpenedAt) {
+            this.lastEmailOpenedAt = Optional.ofNullable(lastEmailOpenedAt);
             return this;
         }
 
-        public Builder iosOsVersion(String iosOsVersion) {
-            this.iosOsVersion = Optional.ofNullable(iosOsVersion);
+        /**
+         * <p>(UNIX timestamp) The time when the contact last opened an email.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "last_email_opened_at", nulls = Nulls.SKIP)
+        public _FinalStage lastEmailOpenedAt(Optional<Integer> lastEmailOpenedAt) {
+            this.lastEmailOpenedAt = lastEmailOpenedAt;
             return this;
         }
 
         /**
-         * <p>The version of the iOS SDK which the contact is using.</p>
+         * <p>(UNIX timestamp) The time when the contact was last messaged.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "ios_sdk_version", nulls = Nulls.SKIP)
-        public Builder iosSdkVersion(Optional<String> iosSdkVersion) {
-            this.iosSdkVersion = iosSdkVersion;
+        @java.lang.Override
+        public _FinalStage lastContactedAt(Integer lastContactedAt) {
+            this.lastContactedAt = Optional.ofNullable(lastContactedAt);
             return this;
         }
 
-        public Builder iosSdkVersion(String iosSdkVersion) {
-            this.iosSdkVersion = Optional.ofNullable(iosSdkVersion);
+        /**
+         * <p>(UNIX timestamp) The time when the contact was last messaged.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "last_contacted_at", nulls = Nulls.SKIP)
+        public _FinalStage lastContactedAt(Optional<Integer> lastContactedAt) {
+            this.lastContactedAt = lastContactedAt;
             return this;
         }
 
         /**
-         * <p>(UNIX timestamp) The last time the contact used the iOS app.</p>
+         * <p>(UNIX timestamp) The time when the contact last messaged in.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "ios_last_seen_at", nulls = Nulls.SKIP)
-        public Builder iosLastSeenAt(Optional<Integer> iosLastSeenAt) {
-            this.iosLastSeenAt = iosLastSeenAt;
+        @java.lang.Override
+        public _FinalStage lastRepliedAt(Integer lastRepliedAt) {
+            this.lastRepliedAt = Optional.ofNullable(lastRepliedAt);
             return this;
         }
 
-        public Builder iosLastSeenAt(Integer iosLastSeenAt) {
-            this.iosLastSeenAt = Optional.ofNullable(iosLastSeenAt);
+        /**
+         * <p>(UNIX timestamp) The time when the contact last messaged in.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "last_replied_at", nulls = Nulls.SKIP)
+        public _FinalStage lastRepliedAt(Optional<Integer> lastRepliedAt) {
+            this.lastRepliedAt = lastRepliedAt;
             return this;
         }
 
         /**
-         * <p>The custom attributes which are set for the contact.</p>
+         * <p>(UNIX timestamp) The time when the contact was last seen (either where the Intercom Messenger was installed or when specified manually).</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "custom_attributes", nulls = Nulls.SKIP)
-        public Builder customAttributes(Optional<Map<String, Object>> customAttributes) {
-            this.customAttributes = customAttributes;
+        @java.lang.Override
+        public _FinalStage lastSeenAt(Integer lastSeenAt) {
+            this.lastSeenAt = Optional.ofNullable(lastSeenAt);
             return this;
         }
 
-        public Builder customAttributes(Map<String, Object> customAttributes) {
-            this.customAttributes = Optional.ofNullable(customAttributes);
+        /**
+         * <p>(UNIX timestamp) The time when the contact was last seen (either where the Intercom Messenger was installed or when specified manually).</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "last_seen_at", nulls = Nulls.SKIP)
+        public _FinalStage lastSeenAt(Optional<Integer> lastSeenAt) {
+            this.lastSeenAt = lastSeenAt;
             return this;
         }
 
         /**
-         * <p>An image URL containing the avatar of a contact.</p>
+         * <p>(UNIX timestamp) The time specified for when a contact signed up.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "avatar", nulls = Nulls.SKIP)
-        public Builder avatar(Optional<String> avatar) {
-            this.avatar = avatar;
+        @java.lang.Override
+        public _FinalStage signedUpAt(Integer signedUpAt) {
+            this.signedUpAt = Optional.ofNullable(signedUpAt);
             return this;
         }
 
-        public Builder avatar(String avatar) {
-            this.avatar = Optional.ofNullable(avatar);
+        /**
+         * <p>(UNIX timestamp) The time specified for when a contact signed up.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "signed_up_at", nulls = Nulls.SKIP)
+        public _FinalStage signedUpAt(Optional<Integer> signedUpAt) {
+            this.signedUpAt = signedUpAt;
             return this;
         }
 
-        @JsonSetter(value = "tags", nulls = Nulls.SKIP)
-        public Builder tags(Optional<ContactTags> tags) {
-            this.tags = tags;
+        /**
+         * <p>The id of an admin that has been assigned account ownership of the contact.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
+         */
+        @java.lang.Override
+        public _FinalStage ownerId(Integer ownerId) {
+            this.ownerId = Optional.ofNullable(ownerId);
             return this;
         }
 
-        public Builder tags(ContactTags tags) {
-            this.tags = Optional.ofNullable(tags);
+        /**
+         * <p>The id of an admin that has been assigned account ownership of the contact.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "owner_id", nulls = Nulls.SKIP)
+        public _FinalStage ownerId(Optional<Integer> ownerId) {
+            this.ownerId = ownerId;
             return this;
         }
 
-        @JsonSetter(value = "notes", nulls = Nulls.SKIP)
-        public Builder notes(Optional<ContactNotes> notes) {
-            this.notes = notes;
+        /**
+         * <p>The contacts name.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
+         */
+        @java.lang.Override
+        public _FinalStage name(String name) {
+            this.name = Optional.ofNullable(name);
             return this;
         }
 
-        public Builder notes(ContactNotes notes) {
-            this.notes = Optional.ofNullable(notes);
+        /**
+         * <p>The contacts name.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "name", nulls = Nulls.SKIP)
+        public _FinalStage name(Optional<String> name) {
+            this.name = name;
             return this;
         }
 
-        @JsonSetter(value = "companies", nulls = Nulls.SKIP)
-        public Builder companies(Optional<ContactCompanies> companies) {
-            this.companies = companies;
+        /**
+         * <p>The contacts phone.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
+         */
+        @java.lang.Override
+        public _FinalStage phone(String phone) {
+            this.phone = Optional.ofNullable(phone);
             return this;
         }
 
-        public Builder companies(ContactCompanies companies) {
-            this.companies = Optional.ofNullable(companies);
+        /**
+         * <p>The contacts phone.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "phone", nulls = Nulls.SKIP)
+        public _FinalStage phone(Optional<String> phone) {
+            this.phone = phone;
             return this;
         }
 
-        @JsonSetter(value = "location", nulls = Nulls.SKIP)
-        public Builder location(Optional<ContactLocation> location) {
-            this.location = location;
+        /**
+         * <p>The contact's email domain.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
+         */
+        @java.lang.Override
+        public _FinalStage emailDomain(String emailDomain) {
+            this.emailDomain = Optional.ofNullable(emailDomain);
             return this;
         }
 
-        public Builder location(ContactLocation location) {
-            this.location = Optional.ofNullable(location);
+        /**
+         * <p>The contact's email domain.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "email_domain", nulls = Nulls.SKIP)
+        public _FinalStage emailDomain(Optional<String> emailDomain) {
+            this.emailDomain = emailDomain;
             return this;
         }
 
-        @JsonSetter(value = "social_profiles", nulls = Nulls.SKIP)
-        public Builder socialProfiles(Optional<ContactSocialProfiles> socialProfiles) {
-            this.socialProfiles = socialProfiles;
+        /**
+         * <p>The contact's email.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
+         */
+        @java.lang.Override
+        public _FinalStage email(String email) {
+            this.email = Optional.ofNullable(email);
             return this;
         }
 
-        public Builder socialProfiles(ContactSocialProfiles socialProfiles) {
-            this.socialProfiles = Optional.ofNullable(socialProfiles);
+        /**
+         * <p>The contact's email.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "email", nulls = Nulls.SKIP)
+        public _FinalStage email(Optional<String> email) {
+            this.email = email;
             return this;
         }
 
         /**
-         * <p>If the user has enabled push messaging.</p>
+         * <p>The unique identifier for the contact which is provided by the Client.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "enabled_push_messaging", nulls = Nulls.SKIP)
-        public Builder enabledPushMessaging(Optional<Boolean> enabledPushMessaging) {
-            this.enabledPushMessaging = enabledPushMessaging;
+        @java.lang.Override
+        public _FinalStage externalId(String externalId) {
+            this.externalId = Optional.ofNullable(externalId);
             return this;
         }
 
-        public Builder enabledPushMessaging(Boolean enabledPushMessaging) {
-            this.enabledPushMessaging = Optional.ofNullable(enabledPushMessaging);
+        /**
+         * <p>The unique identifier for the contact which is provided by the Client.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "external_id", nulls = Nulls.SKIP)
+        public _FinalStage externalId(Optional<String> externalId) {
+            this.externalId = externalId;
             return this;
         }
 
+        @java.lang.Override
         public ContactsUpdateResponse build() {
             return new ContactsUpdateResponse(
-                    type,
                     id,
                     externalId,
                     workspaceId,
diff --git a/src/main/java/com/intercom/api/resources/contacts/types/IContact.java b/src/main/java/com/intercom/api/resources/contacts/types/IContact.java
index faa1acb2..946900a2 100644
--- a/src/main/java/com/intercom/api/resources/contacts/types/IContact.java
+++ b/src/main/java/com/intercom/api/resources/contacts/types/IContact.java
@@ -12,15 +12,15 @@
 import java.util.Optional;
 
 public interface IContact {
-    Optional<String> getType();
+    String getType();
 
-    Optional<String> getId();
+    String getId();
 
     Optional<String> getExternalId();
 
-    Optional<String> getWorkspaceId();
+    String getWorkspaceId();
 
-    Optional<String> getRole();
+    String getRole();
 
     Optional<String> getEmail();
 
@@ -32,15 +32,15 @@ public interface IContact {
 
     Optional<Integer> getOwnerId();
 
-    Optional<Boolean> getHasHardBounced();
+    boolean getHasHardBounced();
 
-    Optional<Boolean> getMarkedEmailAsSpam();
+    boolean getMarkedEmailAsSpam();
 
-    Optional<Boolean> getUnsubscribedFromEmails();
+    boolean getUnsubscribedFromEmails();
 
-    Optional<Integer> getCreatedAt();
+    int getCreatedAt();
 
-    Optional<Integer> getUpdatedAt();
+    int getUpdatedAt();
 
     Optional<Integer> getSignedUpAt();
 
diff --git a/src/main/java/com/intercom/api/resources/contacts/types/ShowContactByExternalIdResponse.java b/src/main/java/com/intercom/api/resources/contacts/types/ShowContactByExternalIdResponse.java
index c48d03a4..c75919f3 100644
--- a/src/main/java/com/intercom/api/resources/contacts/types/ShowContactByExternalIdResponse.java
+++ b/src/main/java/com/intercom/api/resources/contacts/types/ShowContactByExternalIdResponse.java
@@ -21,19 +21,18 @@
 import java.util.Map;
 import java.util.Objects;
 import java.util.Optional;
+import org.jetbrains.annotations.NotNull;
 
 @JsonInclude(JsonInclude.Include.NON_ABSENT)
 @JsonDeserialize(builder = ShowContactByExternalIdResponse.Builder.class)
 public final class ShowContactByExternalIdResponse implements IContact {
-    private final Optional<String> type;
-
-    private final Optional<String> id;
+    private final String id;
 
     private final Optional<String> externalId;
 
-    private final Optional<String> workspaceId;
+    private final String workspaceId;
 
-    private final Optional<String> role;
+    private final String role;
 
     private final Optional<String> email;
 
@@ -45,15 +44,15 @@ public final class ShowContactByExternalIdResponse implements IContact {
 
     private final Optional<Integer> ownerId;
 
-    private final Optional<Boolean> hasHardBounced;
+    private final boolean hasHardBounced;
 
-    private final Optional<Boolean> markedEmailAsSpam;
+    private final boolean markedEmailAsSpam;
 
-    private final Optional<Boolean> unsubscribedFromEmails;
+    private final boolean unsubscribedFromEmails;
 
-    private final Optional<Integer> createdAt;
+    private final int createdAt;
 
-    private final Optional<Integer> updatedAt;
+    private final int updatedAt;
 
     private final Optional<Integer> signedUpAt;
 
@@ -120,21 +119,20 @@ public final class ShowContactByExternalIdResponse implements IContact {
     private final Map<String, Object> additionalProperties;
 
     private ShowContactByExternalIdResponse(
-            Optional<String> type,
-            Optional<String> id,
+            String id,
             Optional<String> externalId,
-            Optional<String> workspaceId,
-            Optional<String> role,
+            String workspaceId,
+            String role,
             Optional<String> email,
             Optional<String> emailDomain,
             Optional<String> phone,
             Optional<String> name,
             Optional<Integer> ownerId,
-            Optional<Boolean> hasHardBounced,
-            Optional<Boolean> markedEmailAsSpam,
-            Optional<Boolean> unsubscribedFromEmails,
-            Optional<Integer> createdAt,
-            Optional<Integer> updatedAt,
+            boolean hasHardBounced,
+            boolean markedEmailAsSpam,
+            boolean unsubscribedFromEmails,
+            int createdAt,
+            int updatedAt,
             Optional<Integer> signedUpAt,
             Optional<Integer> lastSeenAt,
             Optional<Integer> lastRepliedAt,
@@ -167,7 +165,6 @@ private ShowContactByExternalIdResponse(
             Optional<ContactSocialProfiles> socialProfiles,
             Optional<Boolean> enabledPushMessaging,
             Map<String, Object> additionalProperties) {
-        this.type = type;
         this.id = id;
         this.externalId = externalId;
         this.workspaceId = workspaceId;
@@ -220,15 +217,15 @@ private ShowContactByExternalIdResponse(
      * @return The type of object.
      */
     @JsonProperty("type")
-    public Optional<String> getType() {
-        return type;
+    public String getType() {
+        return "contact";
     }
 
     /**
      * @return The unique identifier for the contact which is given by Intercom.
      */
     @JsonProperty("id")
-    public Optional<String> getId() {
+    public String getId() {
         return id;
     }
 
@@ -244,7 +241,7 @@ public Optional<String> getExternalId() {
      * @return The id of the workspace which the contact belongs to.
      */
     @JsonProperty("workspace_id")
-    public Optional<String> getWorkspaceId() {
+    public String getWorkspaceId() {
         return workspaceId;
     }
 
@@ -252,7 +249,7 @@ public Optional<String> getWorkspaceId() {
      * @return The role of the contact.
      */
     @JsonProperty("role")
-    public Optional<String> getRole() {
+    public String getRole() {
         return role;
     }
 
@@ -300,7 +297,7 @@ public Optional<Integer> getOwnerId() {
      * @return Whether the contact has had an email sent to them hard bounce.
      */
     @JsonProperty("has_hard_bounced")
-    public Optional<Boolean> getHasHardBounced() {
+    public boolean getHasHardBounced() {
         return hasHardBounced;
     }
 
@@ -308,7 +305,7 @@ public Optional<Boolean> getHasHardBounced() {
      * @return Whether the contact has marked an email sent to them as spam.
      */
     @JsonProperty("marked_email_as_spam")
-    public Optional<Boolean> getMarkedEmailAsSpam() {
+    public boolean getMarkedEmailAsSpam() {
         return markedEmailAsSpam;
     }
 
@@ -316,7 +313,7 @@ public Optional<Boolean> getMarkedEmailAsSpam() {
      * @return Whether the contact is unsubscribed from emails.
      */
     @JsonProperty("unsubscribed_from_emails")
-    public Optional<Boolean> getUnsubscribedFromEmails() {
+    public boolean getUnsubscribedFromEmails() {
         return unsubscribedFromEmails;
     }
 
@@ -324,7 +321,7 @@ public Optional<Boolean> getUnsubscribedFromEmails() {
      * @return (UNIX timestamp) The time when the contact was created.
      */
     @JsonProperty("created_at")
-    public Optional<Integer> getCreatedAt() {
+    public int getCreatedAt() {
         return createdAt;
     }
 
@@ -332,7 +329,7 @@ public Optional<Integer> getCreatedAt() {
      * @return (UNIX timestamp) The time when the contact was last updated.
      */
     @JsonProperty("updated_at")
-    public Optional<Integer> getUpdatedAt() {
+    public int getUpdatedAt() {
         return updatedAt;
     }
 
@@ -581,8 +578,7 @@ public Map<String, Object> getAdditionalProperties() {
     }
 
     private boolean equalTo(ShowContactByExternalIdResponse other) {
-        return type.equals(other.type)
-                && id.equals(other.id)
+        return id.equals(other.id)
                 && externalId.equals(other.externalId)
                 && workspaceId.equals(other.workspaceId)
                 && role.equals(other.role)
@@ -591,11 +587,11 @@ private boolean equalTo(ShowContactByExternalIdResponse other) {
                 && phone.equals(other.phone)
                 && name.equals(other.name)
                 && ownerId.equals(other.ownerId)
-                && hasHardBounced.equals(other.hasHardBounced)
-                && markedEmailAsSpam.equals(other.markedEmailAsSpam)
-                && unsubscribedFromEmails.equals(other.unsubscribedFromEmails)
-                && createdAt.equals(other.createdAt)
-                && updatedAt.equals(other.updatedAt)
+                && hasHardBounced == other.hasHardBounced
+                && markedEmailAsSpam == other.markedEmailAsSpam
+                && unsubscribedFromEmails == other.unsubscribedFromEmails
+                && createdAt == other.createdAt
+                && updatedAt == other.updatedAt
                 && signedUpAt.equals(other.signedUpAt)
                 && lastSeenAt.equals(other.lastSeenAt)
                 && lastRepliedAt.equals(other.lastRepliedAt)
@@ -632,7 +628,6 @@ private boolean equalTo(ShowContactByExternalIdResponse other) {
     @java.lang.Override
     public int hashCode() {
         return Objects.hash(
-                this.type,
                 this.id,
                 this.externalId,
                 this.workspaceId,
@@ -685,791 +680,1276 @@ public String toString() {
         return ObjectMappers.stringify(this);
     }
 
-    public static Builder builder() {
+    public static IdStage builder() {
         return new Builder();
     }
 
-    @JsonIgnoreProperties(ignoreUnknown = true)
-    public static final class Builder {
-        private Optional<String> type = Optional.empty();
-
-        private Optional<String> id = Optional.empty();
-
-        private Optional<String> externalId = Optional.empty();
-
-        private Optional<String> workspaceId = Optional.empty();
+    public interface IdStage {
+        /**
+         * <p>The unique identifier for the contact which is given by Intercom.</p>
+         */
+        WorkspaceIdStage id(@NotNull String id);
 
-        private Optional<String> role = Optional.empty();
+        Builder from(ShowContactByExternalIdResponse other);
+    }
 
-        private Optional<String> email = Optional.empty();
+    public interface WorkspaceIdStage {
+        /**
+         * <p>The id of the workspace which the contact belongs to.</p>
+         */
+        RoleStage workspaceId(@NotNull String workspaceId);
+    }
 
-        private Optional<String> emailDomain = Optional.empty();
+    public interface RoleStage {
+        /**
+         * <p>The role of the contact.</p>
+         */
+        HasHardBouncedStage role(@NotNull String role);
+    }
 
-        private Optional<String> phone = Optional.empty();
+    public interface HasHardBouncedStage {
+        /**
+         * <p>Whether the contact has had an email sent to them hard bounce.</p>
+         */
+        MarkedEmailAsSpamStage hasHardBounced(boolean hasHardBounced);
+    }
 
-        private Optional<String> name = Optional.empty();
+    public interface MarkedEmailAsSpamStage {
+        /**
+         * <p>Whether the contact has marked an email sent to them as spam.</p>
+         */
+        UnsubscribedFromEmailsStage markedEmailAsSpam(boolean markedEmailAsSpam);
+    }
 
-        private Optional<Integer> ownerId = Optional.empty();
+    public interface UnsubscribedFromEmailsStage {
+        /**
+         * <p>Whether the contact is unsubscribed from emails.</p>
+         */
+        CreatedAtStage unsubscribedFromEmails(boolean unsubscribedFromEmails);
+    }
 
-        private Optional<Boolean> hasHardBounced = Optional.empty();
+    public interface CreatedAtStage {
+        /**
+         * <p>(UNIX timestamp) The time when the contact was created.</p>
+         */
+        UpdatedAtStage createdAt(int createdAt);
+    }
 
-        private Optional<Boolean> markedEmailAsSpam = Optional.empty();
+    public interface UpdatedAtStage {
+        /**
+         * <p>(UNIX timestamp) The time when the contact was last updated.</p>
+         */
+        _FinalStage updatedAt(int updatedAt);
+    }
 
-        private Optional<Boolean> unsubscribedFromEmails = Optional.empty();
+    public interface _FinalStage {
+        ShowContactByExternalIdResponse build();
 
-        private Optional<Integer> createdAt = Optional.empty();
+        /**
+         * <p>The unique identifier for the contact which is provided by the Client.</p>
+         */
+        _FinalStage externalId(Optional<String> externalId);
 
-        private Optional<Integer> updatedAt = Optional.empty();
+        _FinalStage externalId(String externalId);
 
-        private Optional<Integer> signedUpAt = Optional.empty();
+        /**
+         * <p>The contact's email.</p>
+         */
+        _FinalStage email(Optional<String> email);
 
-        private Optional<Integer> lastSeenAt = Optional.empty();
+        _FinalStage email(String email);
 
-        private Optional<Integer> lastRepliedAt = Optional.empty();
+        /**
+         * <p>The contact's email domain.</p>
+         */
+        _FinalStage emailDomain(Optional<String> emailDomain);
 
-        private Optional<Integer> lastContactedAt = Optional.empty();
+        _FinalStage emailDomain(String emailDomain);
 
-        private Optional<Integer> lastEmailOpenedAt = Optional.empty();
+        /**
+         * <p>The contacts phone.</p>
+         */
+        _FinalStage phone(Optional<String> phone);
 
-        private Optional<Integer> lastEmailClickedAt = Optional.empty();
+        _FinalStage phone(String phone);
 
-        private Optional<String> languageOverride = Optional.empty();
+        /**
+         * <p>The contacts name.</p>
+         */
+        _FinalStage name(Optional<String> name);
 
-        private Optional<String> browser = Optional.empty();
+        _FinalStage name(String name);
 
-        private Optional<String> browserVersion = Optional.empty();
+        /**
+         * <p>The id of an admin that has been assigned account ownership of the contact.</p>
+         */
+        _FinalStage ownerId(Optional<Integer> ownerId);
 
-        private Optional<String> browserLanguage = Optional.empty();
+        _FinalStage ownerId(Integer ownerId);
 
-        private Optional<String> os = Optional.empty();
+        /**
+         * <p>(UNIX timestamp) The time specified for when a contact signed up.</p>
+         */
+        _FinalStage signedUpAt(Optional<Integer> signedUpAt);
 
-        private Optional<String> androidAppName = Optional.empty();
+        _FinalStage signedUpAt(Integer signedUpAt);
 
-        private Optional<String> androidAppVersion = Optional.empty();
+        /**
+         * <p>(UNIX timestamp) The time when the contact was last seen (either where the Intercom Messenger was installed or when specified manually).</p>
+         */
+        _FinalStage lastSeenAt(Optional<Integer> lastSeenAt);
 
-        private Optional<String> androidDevice = Optional.empty();
+        _FinalStage lastSeenAt(Integer lastSeenAt);
 
-        private Optional<String> androidOsVersion = Optional.empty();
+        /**
+         * <p>(UNIX timestamp) The time when the contact last messaged in.</p>
+         */
+        _FinalStage lastRepliedAt(Optional<Integer> lastRepliedAt);
 
-        private Optional<String> androidSdkVersion = Optional.empty();
+        _FinalStage lastRepliedAt(Integer lastRepliedAt);
 
-        private Optional<Integer> androidLastSeenAt = Optional.empty();
+        /**
+         * <p>(UNIX timestamp) The time when the contact was last messaged.</p>
+         */
+        _FinalStage lastContactedAt(Optional<Integer> lastContactedAt);
 
-        private Optional<String> iosAppName = Optional.empty();
+        _FinalStage lastContactedAt(Integer lastContactedAt);
 
-        private Optional<String> iosAppVersion = Optional.empty();
+        /**
+         * <p>(UNIX timestamp) The time when the contact last opened an email.</p>
+         */
+        _FinalStage lastEmailOpenedAt(Optional<Integer> lastEmailOpenedAt);
 
-        private Optional<String> iosDevice = Optional.empty();
+        _FinalStage lastEmailOpenedAt(Integer lastEmailOpenedAt);
 
-        private Optional<String> iosOsVersion = Optional.empty();
+        /**
+         * <p>(UNIX timestamp) The time when the contact last clicked a link in an email.</p>
+         */
+        _FinalStage lastEmailClickedAt(Optional<Integer> lastEmailClickedAt);
 
-        private Optional<String> iosSdkVersion = Optional.empty();
+        _FinalStage lastEmailClickedAt(Integer lastEmailClickedAt);
 
-        private Optional<Integer> iosLastSeenAt = Optional.empty();
+        /**
+         * <p>A preferred language setting for the contact, used by the Intercom Messenger even if their browser settings change.</p>
+         */
+        _FinalStage languageOverride(Optional<String> languageOverride);
 
-        private Optional<Map<String, Object>> customAttributes = Optional.empty();
+        _FinalStage languageOverride(String languageOverride);
 
-        private Optional<String> avatar = Optional.empty();
+        /**
+         * <p>The name of the browser which the contact is using.</p>
+         */
+        _FinalStage browser(Optional<String> browser);
 
-        private Optional<ContactTags> tags = Optional.empty();
+        _FinalStage browser(String browser);
 
-        private Optional<ContactNotes> notes = Optional.empty();
+        /**
+         * <p>The version of the browser which the contact is using.</p>
+         */
+        _FinalStage browserVersion(Optional<String> browserVersion);
 
-        private Optional<ContactCompanies> companies = Optional.empty();
+        _FinalStage browserVersion(String browserVersion);
 
-        private Optional<ContactLocation> location = Optional.empty();
+        /**
+         * <p>The language set by the browser which the contact is using.</p>
+         */
+        _FinalStage browserLanguage(Optional<String> browserLanguage);
 
-        private Optional<ContactSocialProfiles> socialProfiles = Optional.empty();
+        _FinalStage browserLanguage(String browserLanguage);
 
-        private Optional<Boolean> enabledPushMessaging = Optional.empty();
+        /**
+         * <p>The operating system which the contact is using.</p>
+         */
+        _FinalStage os(Optional<String> os);
 
-        @JsonAnySetter
-        private Map<String, Object> additionalProperties = new HashMap<>();
+        _FinalStage os(String os);
 
-        private Builder() {}
+        /**
+         * <p>The name of the Android app which the contact is using.</p>
+         */
+        _FinalStage androidAppName(Optional<String> androidAppName);
 
-        public Builder from(ShowContactByExternalIdResponse other) {
-            type(other.getType());
-            id(other.getId());
-            externalId(other.getExternalId());
-            workspaceId(other.getWorkspaceId());
-            role(other.getRole());
-            email(other.getEmail());
-            emailDomain(other.getEmailDomain());
-            phone(other.getPhone());
-            name(other.getName());
-            ownerId(other.getOwnerId());
-            hasHardBounced(other.getHasHardBounced());
-            markedEmailAsSpam(other.getMarkedEmailAsSpam());
-            unsubscribedFromEmails(other.getUnsubscribedFromEmails());
-            createdAt(other.getCreatedAt());
-            updatedAt(other.getUpdatedAt());
-            signedUpAt(other.getSignedUpAt());
-            lastSeenAt(other.getLastSeenAt());
-            lastRepliedAt(other.getLastRepliedAt());
-            lastContactedAt(other.getLastContactedAt());
-            lastEmailOpenedAt(other.getLastEmailOpenedAt());
-            lastEmailClickedAt(other.getLastEmailClickedAt());
-            languageOverride(other.getLanguageOverride());
-            browser(other.getBrowser());
-            browserVersion(other.getBrowserVersion());
-            browserLanguage(other.getBrowserLanguage());
-            os(other.getOs());
-            androidAppName(other.getAndroidAppName());
-            androidAppVersion(other.getAndroidAppVersion());
-            androidDevice(other.getAndroidDevice());
-            androidOsVersion(other.getAndroidOsVersion());
-            androidSdkVersion(other.getAndroidSdkVersion());
-            androidLastSeenAt(other.getAndroidLastSeenAt());
-            iosAppName(other.getIosAppName());
-            iosAppVersion(other.getIosAppVersion());
-            iosDevice(other.getIosDevice());
-            iosOsVersion(other.getIosOsVersion());
-            iosSdkVersion(other.getIosSdkVersion());
-            iosLastSeenAt(other.getIosLastSeenAt());
-            customAttributes(other.getCustomAttributes());
-            avatar(other.getAvatar());
-            tags(other.getTags());
-            notes(other.getNotes());
-            companies(other.getCompanies());
-            location(other.getLocation());
-            socialProfiles(other.getSocialProfiles());
-            enabledPushMessaging(other.getEnabledPushMessaging());
-            return this;
-        }
+        _FinalStage androidAppName(String androidAppName);
 
         /**
-         * <p>The type of object.</p>
+         * <p>The version of the Android app which the contact is using.</p>
          */
-        @JsonSetter(value = "type", nulls = Nulls.SKIP)
-        public Builder type(Optional<String> type) {
-            this.type = type;
-            return this;
-        }
+        _FinalStage androidAppVersion(Optional<String> androidAppVersion);
 
-        public Builder type(String type) {
-            this.type = Optional.ofNullable(type);
-            return this;
-        }
+        _FinalStage androidAppVersion(String androidAppVersion);
 
         /**
-         * <p>The unique identifier for the contact which is given by Intercom.</p>
+         * <p>The Android device which the contact is using.</p>
          */
-        @JsonSetter(value = "id", nulls = Nulls.SKIP)
-        public Builder id(Optional<String> id) {
-            this.id = id;
-            return this;
-        }
+        _FinalStage androidDevice(Optional<String> androidDevice);
 
-        public Builder id(String id) {
-            this.id = Optional.ofNullable(id);
-            return this;
-        }
+        _FinalStage androidDevice(String androidDevice);
 
         /**
-         * <p>The unique identifier for the contact which is provided by the Client.</p>
+         * <p>The version of the Android OS which the contact is using.</p>
          */
-        @JsonSetter(value = "external_id", nulls = Nulls.SKIP)
-        public Builder externalId(Optional<String> externalId) {
-            this.externalId = externalId;
-            return this;
-        }
+        _FinalStage androidOsVersion(Optional<String> androidOsVersion);
 
-        public Builder externalId(String externalId) {
-            this.externalId = Optional.ofNullable(externalId);
-            return this;
-        }
+        _FinalStage androidOsVersion(String androidOsVersion);
 
         /**
-         * <p>The id of the workspace which the contact belongs to.</p>
+         * <p>The version of the Android SDK which the contact is using.</p>
          */
-        @JsonSetter(value = "workspace_id", nulls = Nulls.SKIP)
-        public Builder workspaceId(Optional<String> workspaceId) {
-            this.workspaceId = workspaceId;
-            return this;
-        }
+        _FinalStage androidSdkVersion(Optional<String> androidSdkVersion);
 
-        public Builder workspaceId(String workspaceId) {
-            this.workspaceId = Optional.ofNullable(workspaceId);
-            return this;
-        }
+        _FinalStage androidSdkVersion(String androidSdkVersion);
 
         /**
-         * <p>The role of the contact.</p>
+         * <p>(UNIX timestamp) The time when the contact was last seen on an Android device.</p>
          */
-        @JsonSetter(value = "role", nulls = Nulls.SKIP)
-        public Builder role(Optional<String> role) {
-            this.role = role;
-            return this;
-        }
+        _FinalStage androidLastSeenAt(Optional<Integer> androidLastSeenAt);
 
-        public Builder role(String role) {
-            this.role = Optional.ofNullable(role);
-            return this;
-        }
+        _FinalStage androidLastSeenAt(Integer androidLastSeenAt);
 
         /**
-         * <p>The contact's email.</p>
+         * <p>The name of the iOS app which the contact is using.</p>
          */
-        @JsonSetter(value = "email", nulls = Nulls.SKIP)
-        public Builder email(Optional<String> email) {
-            this.email = email;
-            return this;
-        }
+        _FinalStage iosAppName(Optional<String> iosAppName);
 
-        public Builder email(String email) {
-            this.email = Optional.ofNullable(email);
-            return this;
-        }
+        _FinalStage iosAppName(String iosAppName);
 
         /**
-         * <p>The contact's email domain.</p>
+         * <p>The version of the iOS app which the contact is using.</p>
          */
-        @JsonSetter(value = "email_domain", nulls = Nulls.SKIP)
-        public Builder emailDomain(Optional<String> emailDomain) {
-            this.emailDomain = emailDomain;
-            return this;
-        }
+        _FinalStage iosAppVersion(Optional<String> iosAppVersion);
 
-        public Builder emailDomain(String emailDomain) {
-            this.emailDomain = Optional.ofNullable(emailDomain);
-            return this;
-        }
+        _FinalStage iosAppVersion(String iosAppVersion);
 
         /**
-         * <p>The contacts phone.</p>
+         * <p>The iOS device which the contact is using.</p>
          */
-        @JsonSetter(value = "phone", nulls = Nulls.SKIP)
-        public Builder phone(Optional<String> phone) {
-            this.phone = phone;
-            return this;
-        }
+        _FinalStage iosDevice(Optional<String> iosDevice);
 
-        public Builder phone(String phone) {
-            this.phone = Optional.ofNullable(phone);
-            return this;
-        }
+        _FinalStage iosDevice(String iosDevice);
 
         /**
-         * <p>The contacts name.</p>
+         * <p>The version of iOS which the contact is using.</p>
          */
-        @JsonSetter(value = "name", nulls = Nulls.SKIP)
-        public Builder name(Optional<String> name) {
-            this.name = name;
-            return this;
-        }
+        _FinalStage iosOsVersion(Optional<String> iosOsVersion);
 
-        public Builder name(String name) {
-            this.name = Optional.ofNullable(name);
-            return this;
-        }
+        _FinalStage iosOsVersion(String iosOsVersion);
 
         /**
-         * <p>The id of an admin that has been assigned account ownership of the contact.</p>
+         * <p>The version of the iOS SDK which the contact is using.</p>
          */
-        @JsonSetter(value = "owner_id", nulls = Nulls.SKIP)
-        public Builder ownerId(Optional<Integer> ownerId) {
-            this.ownerId = ownerId;
-            return this;
-        }
+        _FinalStage iosSdkVersion(Optional<String> iosSdkVersion);
 
-        public Builder ownerId(Integer ownerId) {
-            this.ownerId = Optional.ofNullable(ownerId);
-            return this;
-        }
+        _FinalStage iosSdkVersion(String iosSdkVersion);
 
         /**
-         * <p>Whether the contact has had an email sent to them hard bounce.</p>
+         * <p>(UNIX timestamp) The last time the contact used the iOS app.</p>
          */
-        @JsonSetter(value = "has_hard_bounced", nulls = Nulls.SKIP)
-        public Builder hasHardBounced(Optional<Boolean> hasHardBounced) {
-            this.hasHardBounced = hasHardBounced;
+        _FinalStage iosLastSeenAt(Optional<Integer> iosLastSeenAt);
+
+        _FinalStage iosLastSeenAt(Integer iosLastSeenAt);
+
+        /**
+         * <p>The custom attributes which are set for the contact.</p>
+         */
+        _FinalStage customAttributes(Optional<Map<String, Object>> customAttributes);
+
+        _FinalStage customAttributes(Map<String, Object> customAttributes);
+
+        /**
+         * <p>An image URL containing the avatar of a contact.</p>
+         */
+        _FinalStage avatar(Optional<String> avatar);
+
+        _FinalStage avatar(String avatar);
+
+        _FinalStage tags(Optional<ContactTags> tags);
+
+        _FinalStage tags(ContactTags tags);
+
+        _FinalStage notes(Optional<ContactNotes> notes);
+
+        _FinalStage notes(ContactNotes notes);
+
+        _FinalStage companies(Optional<ContactCompanies> companies);
+
+        _FinalStage companies(ContactCompanies companies);
+
+        _FinalStage location(Optional<ContactLocation> location);
+
+        _FinalStage location(ContactLocation location);
+
+        _FinalStage socialProfiles(Optional<ContactSocialProfiles> socialProfiles);
+
+        _FinalStage socialProfiles(ContactSocialProfiles socialProfiles);
+
+        /**
+         * <p>If the user has enabled push messaging.</p>
+         */
+        _FinalStage enabledPushMessaging(Optional<Boolean> enabledPushMessaging);
+
+        _FinalStage enabledPushMessaging(Boolean enabledPushMessaging);
+    }
+
+    @JsonIgnoreProperties(ignoreUnknown = true)
+    public static final class Builder
+            implements IdStage,
+                    WorkspaceIdStage,
+                    RoleStage,
+                    HasHardBouncedStage,
+                    MarkedEmailAsSpamStage,
+                    UnsubscribedFromEmailsStage,
+                    CreatedAtStage,
+                    UpdatedAtStage,
+                    _FinalStage {
+        private String id;
+
+        private String workspaceId;
+
+        private String role;
+
+        private boolean hasHardBounced;
+
+        private boolean markedEmailAsSpam;
+
+        private boolean unsubscribedFromEmails;
+
+        private int createdAt;
+
+        private int updatedAt;
+
+        private Optional<Boolean> enabledPushMessaging = Optional.empty();
+
+        private Optional<ContactSocialProfiles> socialProfiles = Optional.empty();
+
+        private Optional<ContactLocation> location = Optional.empty();
+
+        private Optional<ContactCompanies> companies = Optional.empty();
+
+        private Optional<ContactNotes> notes = Optional.empty();
+
+        private Optional<ContactTags> tags = Optional.empty();
+
+        private Optional<String> avatar = Optional.empty();
+
+        private Optional<Map<String, Object>> customAttributes = Optional.empty();
+
+        private Optional<Integer> iosLastSeenAt = Optional.empty();
+
+        private Optional<String> iosSdkVersion = Optional.empty();
+
+        private Optional<String> iosOsVersion = Optional.empty();
+
+        private Optional<String> iosDevice = Optional.empty();
+
+        private Optional<String> iosAppVersion = Optional.empty();
+
+        private Optional<String> iosAppName = Optional.empty();
+
+        private Optional<Integer> androidLastSeenAt = Optional.empty();
+
+        private Optional<String> androidSdkVersion = Optional.empty();
+
+        private Optional<String> androidOsVersion = Optional.empty();
+
+        private Optional<String> androidDevice = Optional.empty();
+
+        private Optional<String> androidAppVersion = Optional.empty();
+
+        private Optional<String> androidAppName = Optional.empty();
+
+        private Optional<String> os = Optional.empty();
+
+        private Optional<String> browserLanguage = Optional.empty();
+
+        private Optional<String> browserVersion = Optional.empty();
+
+        private Optional<String> browser = Optional.empty();
+
+        private Optional<String> languageOverride = Optional.empty();
+
+        private Optional<Integer> lastEmailClickedAt = Optional.empty();
+
+        private Optional<Integer> lastEmailOpenedAt = Optional.empty();
+
+        private Optional<Integer> lastContactedAt = Optional.empty();
+
+        private Optional<Integer> lastRepliedAt = Optional.empty();
+
+        private Optional<Integer> lastSeenAt = Optional.empty();
+
+        private Optional<Integer> signedUpAt = Optional.empty();
+
+        private Optional<Integer> ownerId = Optional.empty();
+
+        private Optional<String> name = Optional.empty();
+
+        private Optional<String> phone = Optional.empty();
+
+        private Optional<String> emailDomain = Optional.empty();
+
+        private Optional<String> email = Optional.empty();
+
+        private Optional<String> externalId = Optional.empty();
+
+        @JsonAnySetter
+        private Map<String, Object> additionalProperties = new HashMap<>();
+
+        private Builder() {}
+
+        @java.lang.Override
+        public Builder from(ShowContactByExternalIdResponse other) {
+            id(other.getId());
+            externalId(other.getExternalId());
+            workspaceId(other.getWorkspaceId());
+            role(other.getRole());
+            email(other.getEmail());
+            emailDomain(other.getEmailDomain());
+            phone(other.getPhone());
+            name(other.getName());
+            ownerId(other.getOwnerId());
+            hasHardBounced(other.getHasHardBounced());
+            markedEmailAsSpam(other.getMarkedEmailAsSpam());
+            unsubscribedFromEmails(other.getUnsubscribedFromEmails());
+            createdAt(other.getCreatedAt());
+            updatedAt(other.getUpdatedAt());
+            signedUpAt(other.getSignedUpAt());
+            lastSeenAt(other.getLastSeenAt());
+            lastRepliedAt(other.getLastRepliedAt());
+            lastContactedAt(other.getLastContactedAt());
+            lastEmailOpenedAt(other.getLastEmailOpenedAt());
+            lastEmailClickedAt(other.getLastEmailClickedAt());
+            languageOverride(other.getLanguageOverride());
+            browser(other.getBrowser());
+            browserVersion(other.getBrowserVersion());
+            browserLanguage(other.getBrowserLanguage());
+            os(other.getOs());
+            androidAppName(other.getAndroidAppName());
+            androidAppVersion(other.getAndroidAppVersion());
+            androidDevice(other.getAndroidDevice());
+            androidOsVersion(other.getAndroidOsVersion());
+            androidSdkVersion(other.getAndroidSdkVersion());
+            androidLastSeenAt(other.getAndroidLastSeenAt());
+            iosAppName(other.getIosAppName());
+            iosAppVersion(other.getIosAppVersion());
+            iosDevice(other.getIosDevice());
+            iosOsVersion(other.getIosOsVersion());
+            iosSdkVersion(other.getIosSdkVersion());
+            iosLastSeenAt(other.getIosLastSeenAt());
+            customAttributes(other.getCustomAttributes());
+            avatar(other.getAvatar());
+            tags(other.getTags());
+            notes(other.getNotes());
+            companies(other.getCompanies());
+            location(other.getLocation());
+            socialProfiles(other.getSocialProfiles());
+            enabledPushMessaging(other.getEnabledPushMessaging());
             return this;
         }
 
-        public Builder hasHardBounced(Boolean hasHardBounced) {
-            this.hasHardBounced = Optional.ofNullable(hasHardBounced);
+        /**
+         * <p>The unique identifier for the contact which is given by Intercom.</p>
+         * <p>The unique identifier for the contact which is given by Intercom.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
+         */
+        @java.lang.Override
+        @JsonSetter("id")
+        public WorkspaceIdStage id(@NotNull String id) {
+            this.id = Objects.requireNonNull(id, "id must not be null");
             return this;
         }
 
         /**
-         * <p>Whether the contact has marked an email sent to them as spam.</p>
+         * <p>The id of the workspace which the contact belongs to.</p>
+         * <p>The id of the workspace which the contact belongs to.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "marked_email_as_spam", nulls = Nulls.SKIP)
-        public Builder markedEmailAsSpam(Optional<Boolean> markedEmailAsSpam) {
-            this.markedEmailAsSpam = markedEmailAsSpam;
+        @java.lang.Override
+        @JsonSetter("workspace_id")
+        public RoleStage workspaceId(@NotNull String workspaceId) {
+            this.workspaceId = Objects.requireNonNull(workspaceId, "workspaceId must not be null");
             return this;
         }
 
-        public Builder markedEmailAsSpam(Boolean markedEmailAsSpam) {
-            this.markedEmailAsSpam = Optional.ofNullable(markedEmailAsSpam);
+        /**
+         * <p>The role of the contact.</p>
+         * <p>The role of the contact.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
+         */
+        @java.lang.Override
+        @JsonSetter("role")
+        public HasHardBouncedStage role(@NotNull String role) {
+            this.role = Objects.requireNonNull(role, "role must not be null");
             return this;
         }
 
         /**
-         * <p>Whether the contact is unsubscribed from emails.</p>
+         * <p>Whether the contact has had an email sent to them hard bounce.</p>
+         * <p>Whether the contact has had an email sent to them hard bounce.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "unsubscribed_from_emails", nulls = Nulls.SKIP)
-        public Builder unsubscribedFromEmails(Optional<Boolean> unsubscribedFromEmails) {
-            this.unsubscribedFromEmails = unsubscribedFromEmails;
+        @java.lang.Override
+        @JsonSetter("has_hard_bounced")
+        public MarkedEmailAsSpamStage hasHardBounced(boolean hasHardBounced) {
+            this.hasHardBounced = hasHardBounced;
             return this;
         }
 
-        public Builder unsubscribedFromEmails(Boolean unsubscribedFromEmails) {
-            this.unsubscribedFromEmails = Optional.ofNullable(unsubscribedFromEmails);
+        /**
+         * <p>Whether the contact has marked an email sent to them as spam.</p>
+         * <p>Whether the contact has marked an email sent to them as spam.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
+         */
+        @java.lang.Override
+        @JsonSetter("marked_email_as_spam")
+        public UnsubscribedFromEmailsStage markedEmailAsSpam(boolean markedEmailAsSpam) {
+            this.markedEmailAsSpam = markedEmailAsSpam;
             return this;
         }
 
         /**
-         * <p>(UNIX timestamp) The time when the contact was created.</p>
+         * <p>Whether the contact is unsubscribed from emails.</p>
+         * <p>Whether the contact is unsubscribed from emails.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "created_at", nulls = Nulls.SKIP)
-        public Builder createdAt(Optional<Integer> createdAt) {
-            this.createdAt = createdAt;
+        @java.lang.Override
+        @JsonSetter("unsubscribed_from_emails")
+        public CreatedAtStage unsubscribedFromEmails(boolean unsubscribedFromEmails) {
+            this.unsubscribedFromEmails = unsubscribedFromEmails;
             return this;
         }
 
-        public Builder createdAt(Integer createdAt) {
-            this.createdAt = Optional.ofNullable(createdAt);
+        /**
+         * <p>(UNIX timestamp) The time when the contact was created.</p>
+         * <p>(UNIX timestamp) The time when the contact was created.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
+         */
+        @java.lang.Override
+        @JsonSetter("created_at")
+        public UpdatedAtStage createdAt(int createdAt) {
+            this.createdAt = createdAt;
             return this;
         }
 
         /**
          * <p>(UNIX timestamp) The time when the contact was last updated.</p>
+         * <p>(UNIX timestamp) The time when the contact was last updated.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "updated_at", nulls = Nulls.SKIP)
-        public Builder updatedAt(Optional<Integer> updatedAt) {
+        @java.lang.Override
+        @JsonSetter("updated_at")
+        public _FinalStage updatedAt(int updatedAt) {
             this.updatedAt = updatedAt;
             return this;
         }
 
-        public Builder updatedAt(Integer updatedAt) {
-            this.updatedAt = Optional.ofNullable(updatedAt);
+        /**
+         * <p>If the user has enabled push messaging.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
+         */
+        @java.lang.Override
+        public _FinalStage enabledPushMessaging(Boolean enabledPushMessaging) {
+            this.enabledPushMessaging = Optional.ofNullable(enabledPushMessaging);
             return this;
         }
 
         /**
-         * <p>(UNIX timestamp) The time specified for when a contact signed up.</p>
+         * <p>If the user has enabled push messaging.</p>
          */
-        @JsonSetter(value = "signed_up_at", nulls = Nulls.SKIP)
-        public Builder signedUpAt(Optional<Integer> signedUpAt) {
-            this.signedUpAt = signedUpAt;
+        @java.lang.Override
+        @JsonSetter(value = "enabled_push_messaging", nulls = Nulls.SKIP)
+        public _FinalStage enabledPushMessaging(Optional<Boolean> enabledPushMessaging) {
+            this.enabledPushMessaging = enabledPushMessaging;
             return this;
         }
 
-        public Builder signedUpAt(Integer signedUpAt) {
-            this.signedUpAt = Optional.ofNullable(signedUpAt);
+        @java.lang.Override
+        public _FinalStage socialProfiles(ContactSocialProfiles socialProfiles) {
+            this.socialProfiles = Optional.ofNullable(socialProfiles);
+            return this;
+        }
+
+        @java.lang.Override
+        @JsonSetter(value = "social_profiles", nulls = Nulls.SKIP)
+        public _FinalStage socialProfiles(Optional<ContactSocialProfiles> socialProfiles) {
+            this.socialProfiles = socialProfiles;
+            return this;
+        }
+
+        @java.lang.Override
+        public _FinalStage location(ContactLocation location) {
+            this.location = Optional.ofNullable(location);
+            return this;
+        }
+
+        @java.lang.Override
+        @JsonSetter(value = "location", nulls = Nulls.SKIP)
+        public _FinalStage location(Optional<ContactLocation> location) {
+            this.location = location;
+            return this;
+        }
+
+        @java.lang.Override
+        public _FinalStage companies(ContactCompanies companies) {
+            this.companies = Optional.ofNullable(companies);
+            return this;
+        }
+
+        @java.lang.Override
+        @JsonSetter(value = "companies", nulls = Nulls.SKIP)
+        public _FinalStage companies(Optional<ContactCompanies> companies) {
+            this.companies = companies;
+            return this;
+        }
+
+        @java.lang.Override
+        public _FinalStage notes(ContactNotes notes) {
+            this.notes = Optional.ofNullable(notes);
+            return this;
+        }
+
+        @java.lang.Override
+        @JsonSetter(value = "notes", nulls = Nulls.SKIP)
+        public _FinalStage notes(Optional<ContactNotes> notes) {
+            this.notes = notes;
+            return this;
+        }
+
+        @java.lang.Override
+        public _FinalStage tags(ContactTags tags) {
+            this.tags = Optional.ofNullable(tags);
+            return this;
+        }
+
+        @java.lang.Override
+        @JsonSetter(value = "tags", nulls = Nulls.SKIP)
+        public _FinalStage tags(Optional<ContactTags> tags) {
+            this.tags = tags;
             return this;
         }
 
         /**
-         * <p>(UNIX timestamp) The time when the contact was last seen (either where the Intercom Messenger was installed or when specified manually).</p>
+         * <p>An image URL containing the avatar of a contact.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "last_seen_at", nulls = Nulls.SKIP)
-        public Builder lastSeenAt(Optional<Integer> lastSeenAt) {
-            this.lastSeenAt = lastSeenAt;
+        @java.lang.Override
+        public _FinalStage avatar(String avatar) {
+            this.avatar = Optional.ofNullable(avatar);
             return this;
         }
 
-        public Builder lastSeenAt(Integer lastSeenAt) {
-            this.lastSeenAt = Optional.ofNullable(lastSeenAt);
+        /**
+         * <p>An image URL containing the avatar of a contact.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "avatar", nulls = Nulls.SKIP)
+        public _FinalStage avatar(Optional<String> avatar) {
+            this.avatar = avatar;
             return this;
         }
 
         /**
-         * <p>(UNIX timestamp) The time when the contact last messaged in.</p>
+         * <p>The custom attributes which are set for the contact.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "last_replied_at", nulls = Nulls.SKIP)
-        public Builder lastRepliedAt(Optional<Integer> lastRepliedAt) {
-            this.lastRepliedAt = lastRepliedAt;
+        @java.lang.Override
+        public _FinalStage customAttributes(Map<String, Object> customAttributes) {
+            this.customAttributes = Optional.ofNullable(customAttributes);
             return this;
         }
 
-        public Builder lastRepliedAt(Integer lastRepliedAt) {
-            this.lastRepliedAt = Optional.ofNullable(lastRepliedAt);
+        /**
+         * <p>The custom attributes which are set for the contact.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "custom_attributes", nulls = Nulls.SKIP)
+        public _FinalStage customAttributes(Optional<Map<String, Object>> customAttributes) {
+            this.customAttributes = customAttributes;
             return this;
         }
 
         /**
-         * <p>(UNIX timestamp) The time when the contact was last messaged.</p>
+         * <p>(UNIX timestamp) The last time the contact used the iOS app.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "last_contacted_at", nulls = Nulls.SKIP)
-        public Builder lastContactedAt(Optional<Integer> lastContactedAt) {
-            this.lastContactedAt = lastContactedAt;
+        @java.lang.Override
+        public _FinalStage iosLastSeenAt(Integer iosLastSeenAt) {
+            this.iosLastSeenAt = Optional.ofNullable(iosLastSeenAt);
             return this;
         }
 
-        public Builder lastContactedAt(Integer lastContactedAt) {
-            this.lastContactedAt = Optional.ofNullable(lastContactedAt);
+        /**
+         * <p>(UNIX timestamp) The last time the contact used the iOS app.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "ios_last_seen_at", nulls = Nulls.SKIP)
+        public _FinalStage iosLastSeenAt(Optional<Integer> iosLastSeenAt) {
+            this.iosLastSeenAt = iosLastSeenAt;
             return this;
         }
 
         /**
-         * <p>(UNIX timestamp) The time when the contact last opened an email.</p>
+         * <p>The version of the iOS SDK which the contact is using.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "last_email_opened_at", nulls = Nulls.SKIP)
-        public Builder lastEmailOpenedAt(Optional<Integer> lastEmailOpenedAt) {
-            this.lastEmailOpenedAt = lastEmailOpenedAt;
+        @java.lang.Override
+        public _FinalStage iosSdkVersion(String iosSdkVersion) {
+            this.iosSdkVersion = Optional.ofNullable(iosSdkVersion);
             return this;
         }
 
-        public Builder lastEmailOpenedAt(Integer lastEmailOpenedAt) {
-            this.lastEmailOpenedAt = Optional.ofNullable(lastEmailOpenedAt);
+        /**
+         * <p>The version of the iOS SDK which the contact is using.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "ios_sdk_version", nulls = Nulls.SKIP)
+        public _FinalStage iosSdkVersion(Optional<String> iosSdkVersion) {
+            this.iosSdkVersion = iosSdkVersion;
             return this;
         }
 
         /**
-         * <p>(UNIX timestamp) The time when the contact last clicked a link in an email.</p>
+         * <p>The version of iOS which the contact is using.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "last_email_clicked_at", nulls = Nulls.SKIP)
-        public Builder lastEmailClickedAt(Optional<Integer> lastEmailClickedAt) {
-            this.lastEmailClickedAt = lastEmailClickedAt;
+        @java.lang.Override
+        public _FinalStage iosOsVersion(String iosOsVersion) {
+            this.iosOsVersion = Optional.ofNullable(iosOsVersion);
             return this;
         }
 
-        public Builder lastEmailClickedAt(Integer lastEmailClickedAt) {
-            this.lastEmailClickedAt = Optional.ofNullable(lastEmailClickedAt);
+        /**
+         * <p>The version of iOS which the contact is using.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "ios_os_version", nulls = Nulls.SKIP)
+        public _FinalStage iosOsVersion(Optional<String> iosOsVersion) {
+            this.iosOsVersion = iosOsVersion;
             return this;
         }
 
         /**
-         * <p>A preferred language setting for the contact, used by the Intercom Messenger even if their browser settings change.</p>
+         * <p>The iOS device which the contact is using.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "language_override", nulls = Nulls.SKIP)
-        public Builder languageOverride(Optional<String> languageOverride) {
-            this.languageOverride = languageOverride;
+        @java.lang.Override
+        public _FinalStage iosDevice(String iosDevice) {
+            this.iosDevice = Optional.ofNullable(iosDevice);
             return this;
         }
 
-        public Builder languageOverride(String languageOverride) {
-            this.languageOverride = Optional.ofNullable(languageOverride);
+        /**
+         * <p>The iOS device which the contact is using.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "ios_device", nulls = Nulls.SKIP)
+        public _FinalStage iosDevice(Optional<String> iosDevice) {
+            this.iosDevice = iosDevice;
             return this;
         }
 
         /**
-         * <p>The name of the browser which the contact is using.</p>
+         * <p>The version of the iOS app which the contact is using.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "browser", nulls = Nulls.SKIP)
-        public Builder browser(Optional<String> browser) {
-            this.browser = browser;
+        @java.lang.Override
+        public _FinalStage iosAppVersion(String iosAppVersion) {
+            this.iosAppVersion = Optional.ofNullable(iosAppVersion);
+            return this;
+        }
+
+        /**
+         * <p>The version of the iOS app which the contact is using.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "ios_app_version", nulls = Nulls.SKIP)
+        public _FinalStage iosAppVersion(Optional<String> iosAppVersion) {
+            this.iosAppVersion = iosAppVersion;
+            return this;
+        }
+
+        /**
+         * <p>The name of the iOS app which the contact is using.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
+         */
+        @java.lang.Override
+        public _FinalStage iosAppName(String iosAppName) {
+            this.iosAppName = Optional.ofNullable(iosAppName);
+            return this;
+        }
+
+        /**
+         * <p>The name of the iOS app which the contact is using.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "ios_app_name", nulls = Nulls.SKIP)
+        public _FinalStage iosAppName(Optional<String> iosAppName) {
+            this.iosAppName = iosAppName;
             return this;
         }
 
-        public Builder browser(String browser) {
-            this.browser = Optional.ofNullable(browser);
+        /**
+         * <p>(UNIX timestamp) The time when the contact was last seen on an Android device.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
+         */
+        @java.lang.Override
+        public _FinalStage androidLastSeenAt(Integer androidLastSeenAt) {
+            this.androidLastSeenAt = Optional.ofNullable(androidLastSeenAt);
             return this;
         }
 
         /**
-         * <p>The version of the browser which the contact is using.</p>
+         * <p>(UNIX timestamp) The time when the contact was last seen on an Android device.</p>
          */
-        @JsonSetter(value = "browser_version", nulls = Nulls.SKIP)
-        public Builder browserVersion(Optional<String> browserVersion) {
-            this.browserVersion = browserVersion;
+        @java.lang.Override
+        @JsonSetter(value = "android_last_seen_at", nulls = Nulls.SKIP)
+        public _FinalStage androidLastSeenAt(Optional<Integer> androidLastSeenAt) {
+            this.androidLastSeenAt = androidLastSeenAt;
             return this;
         }
 
-        public Builder browserVersion(String browserVersion) {
-            this.browserVersion = Optional.ofNullable(browserVersion);
+        /**
+         * <p>The version of the Android SDK which the contact is using.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
+         */
+        @java.lang.Override
+        public _FinalStage androidSdkVersion(String androidSdkVersion) {
+            this.androidSdkVersion = Optional.ofNullable(androidSdkVersion);
             return this;
         }
 
         /**
-         * <p>The language set by the browser which the contact is using.</p>
+         * <p>The version of the Android SDK which the contact is using.</p>
          */
-        @JsonSetter(value = "browser_language", nulls = Nulls.SKIP)
-        public Builder browserLanguage(Optional<String> browserLanguage) {
-            this.browserLanguage = browserLanguage;
+        @java.lang.Override
+        @JsonSetter(value = "android_sdk_version", nulls = Nulls.SKIP)
+        public _FinalStage androidSdkVersion(Optional<String> androidSdkVersion) {
+            this.androidSdkVersion = androidSdkVersion;
             return this;
         }
 
-        public Builder browserLanguage(String browserLanguage) {
-            this.browserLanguage = Optional.ofNullable(browserLanguage);
+        /**
+         * <p>The version of the Android OS which the contact is using.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
+         */
+        @java.lang.Override
+        public _FinalStage androidOsVersion(String androidOsVersion) {
+            this.androidOsVersion = Optional.ofNullable(androidOsVersion);
             return this;
         }
 
         /**
-         * <p>The operating system which the contact is using.</p>
+         * <p>The version of the Android OS which the contact is using.</p>
          */
-        @JsonSetter(value = "os", nulls = Nulls.SKIP)
-        public Builder os(Optional<String> os) {
-            this.os = os;
+        @java.lang.Override
+        @JsonSetter(value = "android_os_version", nulls = Nulls.SKIP)
+        public _FinalStage androidOsVersion(Optional<String> androidOsVersion) {
+            this.androidOsVersion = androidOsVersion;
             return this;
         }
 
-        public Builder os(String os) {
-            this.os = Optional.ofNullable(os);
+        /**
+         * <p>The Android device which the contact is using.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
+         */
+        @java.lang.Override
+        public _FinalStage androidDevice(String androidDevice) {
+            this.androidDevice = Optional.ofNullable(androidDevice);
             return this;
         }
 
         /**
-         * <p>The name of the Android app which the contact is using.</p>
+         * <p>The Android device which the contact is using.</p>
          */
-        @JsonSetter(value = "android_app_name", nulls = Nulls.SKIP)
-        public Builder androidAppName(Optional<String> androidAppName) {
-            this.androidAppName = androidAppName;
+        @java.lang.Override
+        @JsonSetter(value = "android_device", nulls = Nulls.SKIP)
+        public _FinalStage androidDevice(Optional<String> androidDevice) {
+            this.androidDevice = androidDevice;
             return this;
         }
 
-        public Builder androidAppName(String androidAppName) {
-            this.androidAppName = Optional.ofNullable(androidAppName);
+        /**
+         * <p>The version of the Android app which the contact is using.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
+         */
+        @java.lang.Override
+        public _FinalStage androidAppVersion(String androidAppVersion) {
+            this.androidAppVersion = Optional.ofNullable(androidAppVersion);
             return this;
         }
 
         /**
          * <p>The version of the Android app which the contact is using.</p>
          */
+        @java.lang.Override
         @JsonSetter(value = "android_app_version", nulls = Nulls.SKIP)
-        public Builder androidAppVersion(Optional<String> androidAppVersion) {
+        public _FinalStage androidAppVersion(Optional<String> androidAppVersion) {
             this.androidAppVersion = androidAppVersion;
             return this;
         }
 
-        public Builder androidAppVersion(String androidAppVersion) {
-            this.androidAppVersion = Optional.ofNullable(androidAppVersion);
-            return this;
-        }
-
         /**
-         * <p>The Android device which the contact is using.</p>
+         * <p>The name of the Android app which the contact is using.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "android_device", nulls = Nulls.SKIP)
-        public Builder androidDevice(Optional<String> androidDevice) {
-            this.androidDevice = androidDevice;
+        @java.lang.Override
+        public _FinalStage androidAppName(String androidAppName) {
+            this.androidAppName = Optional.ofNullable(androidAppName);
             return this;
         }
 
-        public Builder androidDevice(String androidDevice) {
-            this.androidDevice = Optional.ofNullable(androidDevice);
+        /**
+         * <p>The name of the Android app which the contact is using.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "android_app_name", nulls = Nulls.SKIP)
+        public _FinalStage androidAppName(Optional<String> androidAppName) {
+            this.androidAppName = androidAppName;
             return this;
         }
 
         /**
-         * <p>The version of the Android OS which the contact is using.</p>
+         * <p>The operating system which the contact is using.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "android_os_version", nulls = Nulls.SKIP)
-        public Builder androidOsVersion(Optional<String> androidOsVersion) {
-            this.androidOsVersion = androidOsVersion;
+        @java.lang.Override
+        public _FinalStage os(String os) {
+            this.os = Optional.ofNullable(os);
             return this;
         }
 
-        public Builder androidOsVersion(String androidOsVersion) {
-            this.androidOsVersion = Optional.ofNullable(androidOsVersion);
+        /**
+         * <p>The operating system which the contact is using.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "os", nulls = Nulls.SKIP)
+        public _FinalStage os(Optional<String> os) {
+            this.os = os;
             return this;
         }
 
         /**
-         * <p>The version of the Android SDK which the contact is using.</p>
+         * <p>The language set by the browser which the contact is using.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "android_sdk_version", nulls = Nulls.SKIP)
-        public Builder androidSdkVersion(Optional<String> androidSdkVersion) {
-            this.androidSdkVersion = androidSdkVersion;
+        @java.lang.Override
+        public _FinalStage browserLanguage(String browserLanguage) {
+            this.browserLanguage = Optional.ofNullable(browserLanguage);
             return this;
         }
 
-        public Builder androidSdkVersion(String androidSdkVersion) {
-            this.androidSdkVersion = Optional.ofNullable(androidSdkVersion);
+        /**
+         * <p>The language set by the browser which the contact is using.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "browser_language", nulls = Nulls.SKIP)
+        public _FinalStage browserLanguage(Optional<String> browserLanguage) {
+            this.browserLanguage = browserLanguage;
             return this;
         }
 
         /**
-         * <p>(UNIX timestamp) The time when the contact was last seen on an Android device.</p>
+         * <p>The version of the browser which the contact is using.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "android_last_seen_at", nulls = Nulls.SKIP)
-        public Builder androidLastSeenAt(Optional<Integer> androidLastSeenAt) {
-            this.androidLastSeenAt = androidLastSeenAt;
+        @java.lang.Override
+        public _FinalStage browserVersion(String browserVersion) {
+            this.browserVersion = Optional.ofNullable(browserVersion);
             return this;
         }
 
-        public Builder androidLastSeenAt(Integer androidLastSeenAt) {
-            this.androidLastSeenAt = Optional.ofNullable(androidLastSeenAt);
+        /**
+         * <p>The version of the browser which the contact is using.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "browser_version", nulls = Nulls.SKIP)
+        public _FinalStage browserVersion(Optional<String> browserVersion) {
+            this.browserVersion = browserVersion;
             return this;
         }
 
         /**
-         * <p>The name of the iOS app which the contact is using.</p>
+         * <p>The name of the browser which the contact is using.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "ios_app_name", nulls = Nulls.SKIP)
-        public Builder iosAppName(Optional<String> iosAppName) {
-            this.iosAppName = iosAppName;
+        @java.lang.Override
+        public _FinalStage browser(String browser) {
+            this.browser = Optional.ofNullable(browser);
             return this;
         }
 
-        public Builder iosAppName(String iosAppName) {
-            this.iosAppName = Optional.ofNullable(iosAppName);
+        /**
+         * <p>The name of the browser which the contact is using.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "browser", nulls = Nulls.SKIP)
+        public _FinalStage browser(Optional<String> browser) {
+            this.browser = browser;
             return this;
         }
 
         /**
-         * <p>The version of the iOS app which the contact is using.</p>
+         * <p>A preferred language setting for the contact, used by the Intercom Messenger even if their browser settings change.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "ios_app_version", nulls = Nulls.SKIP)
-        public Builder iosAppVersion(Optional<String> iosAppVersion) {
-            this.iosAppVersion = iosAppVersion;
+        @java.lang.Override
+        public _FinalStage languageOverride(String languageOverride) {
+            this.languageOverride = Optional.ofNullable(languageOverride);
             return this;
         }
 
-        public Builder iosAppVersion(String iosAppVersion) {
-            this.iosAppVersion = Optional.ofNullable(iosAppVersion);
+        /**
+         * <p>A preferred language setting for the contact, used by the Intercom Messenger even if their browser settings change.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "language_override", nulls = Nulls.SKIP)
+        public _FinalStage languageOverride(Optional<String> languageOverride) {
+            this.languageOverride = languageOverride;
             return this;
         }
 
         /**
-         * <p>The iOS device which the contact is using.</p>
+         * <p>(UNIX timestamp) The time when the contact last clicked a link in an email.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "ios_device", nulls = Nulls.SKIP)
-        public Builder iosDevice(Optional<String> iosDevice) {
-            this.iosDevice = iosDevice;
+        @java.lang.Override
+        public _FinalStage lastEmailClickedAt(Integer lastEmailClickedAt) {
+            this.lastEmailClickedAt = Optional.ofNullable(lastEmailClickedAt);
             return this;
         }
 
-        public Builder iosDevice(String iosDevice) {
-            this.iosDevice = Optional.ofNullable(iosDevice);
+        /**
+         * <p>(UNIX timestamp) The time when the contact last clicked a link in an email.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "last_email_clicked_at", nulls = Nulls.SKIP)
+        public _FinalStage lastEmailClickedAt(Optional<Integer> lastEmailClickedAt) {
+            this.lastEmailClickedAt = lastEmailClickedAt;
             return this;
         }
 
         /**
-         * <p>The version of iOS which the contact is using.</p>
+         * <p>(UNIX timestamp) The time when the contact last opened an email.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "ios_os_version", nulls = Nulls.SKIP)
-        public Builder iosOsVersion(Optional<String> iosOsVersion) {
-            this.iosOsVersion = iosOsVersion;
+        @java.lang.Override
+        public _FinalStage lastEmailOpenedAt(Integer lastEmailOpenedAt) {
+            this.lastEmailOpenedAt = Optional.ofNullable(lastEmailOpenedAt);
             return this;
         }
 
-        public Builder iosOsVersion(String iosOsVersion) {
-            this.iosOsVersion = Optional.ofNullable(iosOsVersion);
+        /**
+         * <p>(UNIX timestamp) The time when the contact last opened an email.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "last_email_opened_at", nulls = Nulls.SKIP)
+        public _FinalStage lastEmailOpenedAt(Optional<Integer> lastEmailOpenedAt) {
+            this.lastEmailOpenedAt = lastEmailOpenedAt;
             return this;
         }
 
         /**
-         * <p>The version of the iOS SDK which the contact is using.</p>
+         * <p>(UNIX timestamp) The time when the contact was last messaged.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "ios_sdk_version", nulls = Nulls.SKIP)
-        public Builder iosSdkVersion(Optional<String> iosSdkVersion) {
-            this.iosSdkVersion = iosSdkVersion;
+        @java.lang.Override
+        public _FinalStage lastContactedAt(Integer lastContactedAt) {
+            this.lastContactedAt = Optional.ofNullable(lastContactedAt);
             return this;
         }
 
-        public Builder iosSdkVersion(String iosSdkVersion) {
-            this.iosSdkVersion = Optional.ofNullable(iosSdkVersion);
+        /**
+         * <p>(UNIX timestamp) The time when the contact was last messaged.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "last_contacted_at", nulls = Nulls.SKIP)
+        public _FinalStage lastContactedAt(Optional<Integer> lastContactedAt) {
+            this.lastContactedAt = lastContactedAt;
             return this;
         }
 
         /**
-         * <p>(UNIX timestamp) The last time the contact used the iOS app.</p>
+         * <p>(UNIX timestamp) The time when the contact last messaged in.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "ios_last_seen_at", nulls = Nulls.SKIP)
-        public Builder iosLastSeenAt(Optional<Integer> iosLastSeenAt) {
-            this.iosLastSeenAt = iosLastSeenAt;
+        @java.lang.Override
+        public _FinalStage lastRepliedAt(Integer lastRepliedAt) {
+            this.lastRepliedAt = Optional.ofNullable(lastRepliedAt);
             return this;
         }
 
-        public Builder iosLastSeenAt(Integer iosLastSeenAt) {
-            this.iosLastSeenAt = Optional.ofNullable(iosLastSeenAt);
+        /**
+         * <p>(UNIX timestamp) The time when the contact last messaged in.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "last_replied_at", nulls = Nulls.SKIP)
+        public _FinalStage lastRepliedAt(Optional<Integer> lastRepliedAt) {
+            this.lastRepliedAt = lastRepliedAt;
             return this;
         }
 
         /**
-         * <p>The custom attributes which are set for the contact.</p>
+         * <p>(UNIX timestamp) The time when the contact was last seen (either where the Intercom Messenger was installed or when specified manually).</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "custom_attributes", nulls = Nulls.SKIP)
-        public Builder customAttributes(Optional<Map<String, Object>> customAttributes) {
-            this.customAttributes = customAttributes;
+        @java.lang.Override
+        public _FinalStage lastSeenAt(Integer lastSeenAt) {
+            this.lastSeenAt = Optional.ofNullable(lastSeenAt);
             return this;
         }
 
-        public Builder customAttributes(Map<String, Object> customAttributes) {
-            this.customAttributes = Optional.ofNullable(customAttributes);
+        /**
+         * <p>(UNIX timestamp) The time when the contact was last seen (either where the Intercom Messenger was installed or when specified manually).</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "last_seen_at", nulls = Nulls.SKIP)
+        public _FinalStage lastSeenAt(Optional<Integer> lastSeenAt) {
+            this.lastSeenAt = lastSeenAt;
             return this;
         }
 
         /**
-         * <p>An image URL containing the avatar of a contact.</p>
+         * <p>(UNIX timestamp) The time specified for when a contact signed up.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "avatar", nulls = Nulls.SKIP)
-        public Builder avatar(Optional<String> avatar) {
-            this.avatar = avatar;
+        @java.lang.Override
+        public _FinalStage signedUpAt(Integer signedUpAt) {
+            this.signedUpAt = Optional.ofNullable(signedUpAt);
             return this;
         }
 
-        public Builder avatar(String avatar) {
-            this.avatar = Optional.ofNullable(avatar);
+        /**
+         * <p>(UNIX timestamp) The time specified for when a contact signed up.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "signed_up_at", nulls = Nulls.SKIP)
+        public _FinalStage signedUpAt(Optional<Integer> signedUpAt) {
+            this.signedUpAt = signedUpAt;
             return this;
         }
 
-        @JsonSetter(value = "tags", nulls = Nulls.SKIP)
-        public Builder tags(Optional<ContactTags> tags) {
-            this.tags = tags;
+        /**
+         * <p>The id of an admin that has been assigned account ownership of the contact.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
+         */
+        @java.lang.Override
+        public _FinalStage ownerId(Integer ownerId) {
+            this.ownerId = Optional.ofNullable(ownerId);
             return this;
         }
 
-        public Builder tags(ContactTags tags) {
-            this.tags = Optional.ofNullable(tags);
+        /**
+         * <p>The id of an admin that has been assigned account ownership of the contact.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "owner_id", nulls = Nulls.SKIP)
+        public _FinalStage ownerId(Optional<Integer> ownerId) {
+            this.ownerId = ownerId;
             return this;
         }
 
-        @JsonSetter(value = "notes", nulls = Nulls.SKIP)
-        public Builder notes(Optional<ContactNotes> notes) {
-            this.notes = notes;
+        /**
+         * <p>The contacts name.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
+         */
+        @java.lang.Override
+        public _FinalStage name(String name) {
+            this.name = Optional.ofNullable(name);
             return this;
         }
 
-        public Builder notes(ContactNotes notes) {
-            this.notes = Optional.ofNullable(notes);
+        /**
+         * <p>The contacts name.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "name", nulls = Nulls.SKIP)
+        public _FinalStage name(Optional<String> name) {
+            this.name = name;
             return this;
         }
 
-        @JsonSetter(value = "companies", nulls = Nulls.SKIP)
-        public Builder companies(Optional<ContactCompanies> companies) {
-            this.companies = companies;
+        /**
+         * <p>The contacts phone.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
+         */
+        @java.lang.Override
+        public _FinalStage phone(String phone) {
+            this.phone = Optional.ofNullable(phone);
             return this;
         }
 
-        public Builder companies(ContactCompanies companies) {
-            this.companies = Optional.ofNullable(companies);
+        /**
+         * <p>The contacts phone.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "phone", nulls = Nulls.SKIP)
+        public _FinalStage phone(Optional<String> phone) {
+            this.phone = phone;
             return this;
         }
 
-        @JsonSetter(value = "location", nulls = Nulls.SKIP)
-        public Builder location(Optional<ContactLocation> location) {
-            this.location = location;
+        /**
+         * <p>The contact's email domain.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
+         */
+        @java.lang.Override
+        public _FinalStage emailDomain(String emailDomain) {
+            this.emailDomain = Optional.ofNullable(emailDomain);
             return this;
         }
 
-        public Builder location(ContactLocation location) {
-            this.location = Optional.ofNullable(location);
+        /**
+         * <p>The contact's email domain.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "email_domain", nulls = Nulls.SKIP)
+        public _FinalStage emailDomain(Optional<String> emailDomain) {
+            this.emailDomain = emailDomain;
             return this;
         }
 
-        @JsonSetter(value = "social_profiles", nulls = Nulls.SKIP)
-        public Builder socialProfiles(Optional<ContactSocialProfiles> socialProfiles) {
-            this.socialProfiles = socialProfiles;
+        /**
+         * <p>The contact's email.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
+         */
+        @java.lang.Override
+        public _FinalStage email(String email) {
+            this.email = Optional.ofNullable(email);
             return this;
         }
 
-        public Builder socialProfiles(ContactSocialProfiles socialProfiles) {
-            this.socialProfiles = Optional.ofNullable(socialProfiles);
+        /**
+         * <p>The contact's email.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "email", nulls = Nulls.SKIP)
+        public _FinalStage email(Optional<String> email) {
+            this.email = email;
             return this;
         }
 
         /**
-         * <p>If the user has enabled push messaging.</p>
+         * <p>The unique identifier for the contact which is provided by the Client.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "enabled_push_messaging", nulls = Nulls.SKIP)
-        public Builder enabledPushMessaging(Optional<Boolean> enabledPushMessaging) {
-            this.enabledPushMessaging = enabledPushMessaging;
+        @java.lang.Override
+        public _FinalStage externalId(String externalId) {
+            this.externalId = Optional.ofNullable(externalId);
             return this;
         }
 
-        public Builder enabledPushMessaging(Boolean enabledPushMessaging) {
-            this.enabledPushMessaging = Optional.ofNullable(enabledPushMessaging);
+        /**
+         * <p>The unique identifier for the contact which is provided by the Client.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "external_id", nulls = Nulls.SKIP)
+        public _FinalStage externalId(Optional<String> externalId) {
+            this.externalId = externalId;
             return this;
         }
 
+        @java.lang.Override
         public ShowContactByExternalIdResponse build() {
             return new ShowContactByExternalIdResponse(
-                    type,
                     id,
                     externalId,
                     workspaceId,
diff --git a/src/main/java/com/intercom/api/resources/conversations/types/Conversation.java b/src/main/java/com/intercom/api/resources/conversations/types/Conversation.java
index 2ddaf21e..4d5acaa8 100644
--- a/src/main/java/com/intercom/api/resources/conversations/types/Conversation.java
+++ b/src/main/java/com/intercom/api/resources/conversations/types/Conversation.java
@@ -33,32 +33,34 @@
 import com.intercom.api.types.Tags;
 import java.io.IOException;
 import java.util.HashMap;
+import java.util.LinkedHashMap;
 import java.util.Map;
 import java.util.Objects;
 import java.util.Optional;
+import org.jetbrains.annotations.NotNull;
 
 @JsonInclude(JsonInclude.Include.NON_ABSENT)
 @JsonDeserialize(builder = Conversation.Builder.class)
 public final class Conversation {
-    private final Optional<String> type;
+    private final String type;
 
-    private final Optional<String> id;
+    private final String id;
 
     private final Optional<String> title;
 
-    private final Optional<Integer> createdAt;
+    private final int createdAt;
 
-    private final Optional<Integer> updatedAt;
+    private final int updatedAt;
 
     private final Optional<Integer> waitingSince;
 
     private final Optional<Integer> snoozedUntil;
 
-    private final Optional<Boolean> open;
+    private final boolean open;
 
-    private final Optional<State> state;
+    private final State state;
 
-    private final Optional<Boolean> read;
+    private final boolean read;
 
     private final Optional<Priority> priority;
 
@@ -72,13 +74,13 @@ public final class Conversation {
 
     private final Optional<ConversationRating> conversationRating;
 
-    private final Optional<ConversationSource> source;
+    private final ConversationSource source;
 
-    private final Optional<ConversationContacts> contacts;
+    private final ConversationContacts contacts;
 
     private final Optional<ConversationTeammates> teammates;
 
-    private final Optional<Map<String, CustomAttributesValue>> customAttributes;
+    private final Map<String, CustomAttributesValue> customAttributes;
 
     private final Optional<ConversationFirstContactReply> firstContactReply;
 
@@ -97,26 +99,26 @@ public final class Conversation {
     private final Map<String, Object> additionalProperties;
 
     private Conversation(
-            Optional<String> type,
-            Optional<String> id,
+            String type,
+            String id,
             Optional<String> title,
-            Optional<Integer> createdAt,
-            Optional<Integer> updatedAt,
+            int createdAt,
+            int updatedAt,
             Optional<Integer> waitingSince,
             Optional<Integer> snoozedUntil,
-            Optional<Boolean> open,
-            Optional<State> state,
-            Optional<Boolean> read,
+            boolean open,
+            State state,
+            boolean read,
             Optional<Priority> priority,
             Optional<Integer> adminAssigneeId,
             Optional<String> teamAssigneeId,
             Optional<String> companyId,
             Optional<Tags> tags,
             Optional<ConversationRating> conversationRating,
-            Optional<ConversationSource> source,
-            Optional<ConversationContacts> contacts,
+            ConversationSource source,
+            ConversationContacts contacts,
             Optional<ConversationTeammates> teammates,
-            Optional<Map<String, CustomAttributesValue>> customAttributes,
+            Map<String, CustomAttributesValue> customAttributes,
             Optional<ConversationFirstContactReply> firstContactReply,
             Optional<SlaApplied> slaApplied,
             Optional<ConversationStatistics> statistics,
@@ -159,7 +161,7 @@ private Conversation(
      * @return Always conversation.
      */
     @JsonProperty("type")
-    public Optional<String> getType() {
+    public String getType() {
         return type;
     }
 
@@ -167,7 +169,7 @@ public Optional<String> getType() {
      * @return The id representing the conversation.
      */
     @JsonProperty("id")
-    public Optional<String> getId() {
+    public String getId() {
         return id;
     }
 
@@ -183,7 +185,7 @@ public Optional<String> getTitle() {
      * @return The time the conversation was created.
      */
     @JsonProperty("created_at")
-    public Optional<Integer> getCreatedAt() {
+    public int getCreatedAt() {
         return createdAt;
     }
 
@@ -191,7 +193,7 @@ public Optional<Integer> getCreatedAt() {
      * @return The last time the conversation was updated.
      */
     @JsonProperty("updated_at")
-    public Optional<Integer> getUpdatedAt() {
+    public int getUpdatedAt() {
         return updatedAt;
     }
 
@@ -215,7 +217,7 @@ public Optional<Integer> getSnoozedUntil() {
      * @return Indicates whether a conversation is open (true) or closed (false).
      */
     @JsonProperty("open")
-    public Optional<Boolean> getOpen() {
+    public boolean getOpen() {
         return open;
     }
 
@@ -223,7 +225,7 @@ public Optional<Boolean> getOpen() {
      * @return Can be set to &quot;open&quot;, &quot;closed&quot; or &quot;snoozed&quot;.
      */
     @JsonProperty("state")
-    public Optional<State> getState() {
+    public State getState() {
         return state;
     }
 
@@ -231,7 +233,7 @@ public Optional<State> getState() {
      * @return Indicates whether a conversation has been read.
      */
     @JsonProperty("read")
-    public Optional<Boolean> getRead() {
+    public boolean getRead() {
         return read;
     }
 
@@ -278,12 +280,12 @@ public Optional<ConversationRating> getConversationRating() {
     }
 
     @JsonProperty("source")
-    public Optional<ConversationSource> getSource() {
+    public ConversationSource getSource() {
         return source;
     }
 
     @JsonProperty("contacts")
-    public Optional<ConversationContacts> getContacts() {
+    public ConversationContacts getContacts() {
         return contacts;
     }
 
@@ -293,7 +295,7 @@ public Optional<ConversationTeammates> getTeammates() {
     }
 
     @JsonProperty("custom_attributes")
-    public Optional<Map<String, CustomAttributesValue>> getCustomAttributes() {
+    public Map<String, CustomAttributesValue> getCustomAttributes() {
         return customAttributes;
     }
 
@@ -350,13 +352,13 @@ private boolean equalTo(Conversation other) {
         return type.equals(other.type)
                 && id.equals(other.id)
                 && title.equals(other.title)
-                && createdAt.equals(other.createdAt)
-                && updatedAt.equals(other.updatedAt)
+                && createdAt == other.createdAt
+                && updatedAt == other.updatedAt
                 && waitingSince.equals(other.waitingSince)
                 && snoozedUntil.equals(other.snoozedUntil)
-                && open.equals(other.open)
+                && open == other.open
                 && state.equals(other.state)
-                && read.equals(other.read)
+                && read == other.read
                 && priority.equals(other.priority)
                 && adminAssigneeId.equals(other.adminAssigneeId)
                 && teamAssigneeId.equals(other.teamAssigneeId)
@@ -413,71 +415,243 @@ public String toString() {
         return ObjectMappers.stringify(this);
     }
 
-    public static Builder builder() {
+    public static TypeStage builder() {
         return new Builder();
     }
 
-    @JsonIgnoreProperties(ignoreUnknown = true)
-    public static final class Builder {
-        private Optional<String> type = Optional.empty();
+    public interface TypeStage {
+        /**
+         * <p>Always conversation.</p>
+         */
+        IdStage type(@NotNull String type);
 
-        private Optional<String> id = Optional.empty();
+        Builder from(Conversation other);
+    }
 
-        private Optional<String> title = Optional.empty();
+    public interface IdStage {
+        /**
+         * <p>The id representing the conversation.</p>
+         */
+        CreatedAtStage id(@NotNull String id);
+    }
 
-        private Optional<Integer> createdAt = Optional.empty();
+    public interface CreatedAtStage {
+        /**
+         * <p>The time the conversation was created.</p>
+         */
+        UpdatedAtStage createdAt(int createdAt);
+    }
 
-        private Optional<Integer> updatedAt = Optional.empty();
+    public interface UpdatedAtStage {
+        /**
+         * <p>The last time the conversation was updated.</p>
+         */
+        OpenStage updatedAt(int updatedAt);
+    }
 
-        private Optional<Integer> waitingSince = Optional.empty();
+    public interface OpenStage {
+        /**
+         * <p>Indicates whether a conversation is open (true) or closed (false).</p>
+         */
+        StateStage open(boolean open);
+    }
 
-        private Optional<Integer> snoozedUntil = Optional.empty();
+    public interface StateStage {
+        /**
+         * <p>Can be set to &quot;open&quot;, &quot;closed&quot; or &quot;snoozed&quot;.</p>
+         */
+        ReadStage state(@NotNull State state);
+    }
 
-        private Optional<Boolean> open = Optional.empty();
+    public interface ReadStage {
+        /**
+         * <p>Indicates whether a conversation has been read.</p>
+         */
+        SourceStage read(boolean read);
+    }
 
-        private Optional<State> state = Optional.empty();
+    public interface SourceStage {
+        ContactsStage source(@NotNull ConversationSource source);
+    }
 
-        private Optional<Boolean> read = Optional.empty();
+    public interface ContactsStage {
+        _FinalStage contacts(@NotNull ConversationContacts contacts);
+    }
 
-        private Optional<Priority> priority = Optional.empty();
+    public interface _FinalStage {
+        Conversation build();
 
-        private Optional<Integer> adminAssigneeId = Optional.empty();
+        /**
+         * <p>The title given to the conversation.</p>
+         */
+        _FinalStage title(Optional<String> title);
 
-        private Optional<String> teamAssigneeId = Optional.empty();
+        _FinalStage title(String title);
 
-        private Optional<String> companyId = Optional.empty();
+        /**
+         * <p>The last time a Contact responded to an Admin. In other words, the time a customer started waiting for a response. Set to null if last reply is from an Admin.</p>
+         */
+        _FinalStage waitingSince(Optional<Integer> waitingSince);
 
-        private Optional<Tags> tags = Optional.empty();
+        _FinalStage waitingSince(Integer waitingSince);
 
-        private Optional<ConversationRating> conversationRating = Optional.empty();
+        /**
+         * <p>If set this is the time in the future when this conversation will be marked as open. i.e. it will be in a snoozed state until this time. i.e. it will be in a snoozed state until this time.</p>
+         */
+        _FinalStage snoozedUntil(Optional<Integer> snoozedUntil);
+
+        _FinalStage snoozedUntil(Integer snoozedUntil);
 
-        private Optional<ConversationSource> source = Optional.empty();
+        /**
+         * <p>If marked as priority, it will return priority or else not_priority.</p>
+         */
+        _FinalStage priority(Optional<Priority> priority);
 
-        private Optional<ConversationContacts> contacts = Optional.empty();
+        _FinalStage priority(Priority priority);
 
-        private Optional<ConversationTeammates> teammates = Optional.empty();
+        /**
+         * <p>The id of the admin assigned to the conversation. If it's not assigned to an admin it will return null.</p>
+         */
+        _FinalStage adminAssigneeId(Optional<Integer> adminAssigneeId);
 
-        private Optional<Map<String, CustomAttributesValue>> customAttributes = Optional.empty();
+        _FinalStage adminAssigneeId(Integer adminAssigneeId);
 
-        private Optional<ConversationFirstContactReply> firstContactReply = Optional.empty();
+        /**
+         * <p>The id of the team assigned to the conversation. If it's not assigned to a team it will return null.</p>
+         */
+        _FinalStage teamAssigneeId(Optional<String> teamAssigneeId);
 
-        private Optional<SlaApplied> slaApplied = Optional.empty();
+        _FinalStage teamAssigneeId(String teamAssigneeId);
 
-        private Optional<ConversationStatistics> statistics = Optional.empty();
+        /**
+         * <p>The ID of the company that the conversation is associated with. The unique identifier for the company which is given by Intercom.</p>
+         */
+        _FinalStage companyId(Optional<String> companyId);
 
-        private Optional<ConversationParts> conversationParts = Optional.empty();
+        _FinalStage companyId(String companyId);
 
-        private Optional<LinkedObjectList> linkedObjects = Optional.empty();
+        _FinalStage tags(Optional<Tags> tags);
 
-        private Optional<Boolean> aiAgentParticipated = Optional.empty();
+        _FinalStage tags(Tags tags);
+
+        _FinalStage conversationRating(Optional<ConversationRating> conversationRating);
+
+        _FinalStage conversationRating(ConversationRating conversationRating);
+
+        _FinalStage teammates(Optional<ConversationTeammates> teammates);
+
+        _FinalStage teammates(ConversationTeammates teammates);
+
+        _FinalStage customAttributes(Map<String, CustomAttributesValue> customAttributes);
+
+        _FinalStage putAllCustomAttributes(Map<String, CustomAttributesValue> customAttributes);
+
+        _FinalStage customAttributes(String key, CustomAttributesValue value);
+
+        _FinalStage firstContactReply(Optional<ConversationFirstContactReply> firstContactReply);
+
+        _FinalStage firstContactReply(ConversationFirstContactReply firstContactReply);
+
+        _FinalStage slaApplied(Optional<SlaApplied> slaApplied);
+
+        _FinalStage slaApplied(SlaApplied slaApplied);
+
+        _FinalStage statistics(Optional<ConversationStatistics> statistics);
+
+        _FinalStage statistics(ConversationStatistics statistics);
+
+        _FinalStage conversationParts(Optional<ConversationParts> conversationParts);
+
+        _FinalStage conversationParts(ConversationParts conversationParts);
+
+        _FinalStage linkedObjects(Optional<LinkedObjectList> linkedObjects);
+
+        _FinalStage linkedObjects(LinkedObjectList linkedObjects);
+
+        /**
+         * <p>Indicates whether the AI Agent participated in the conversation.</p>
+         */
+        _FinalStage aiAgentParticipated(Optional<Boolean> aiAgentParticipated);
+
+        _FinalStage aiAgentParticipated(Boolean aiAgentParticipated);
+
+        _FinalStage aiAgent(Optional<AiAgent> aiAgent);
+
+        _FinalStage aiAgent(AiAgent aiAgent);
+    }
+
+    @JsonIgnoreProperties(ignoreUnknown = true)
+    public static final class Builder
+            implements TypeStage,
+                    IdStage,
+                    CreatedAtStage,
+                    UpdatedAtStage,
+                    OpenStage,
+                    StateStage,
+                    ReadStage,
+                    SourceStage,
+                    ContactsStage,
+                    _FinalStage {
+        private String type;
+
+        private String id;
+
+        private int createdAt;
+
+        private int updatedAt;
+
+        private boolean open;
+
+        private State state;
+
+        private boolean read;
+
+        private ConversationSource source;
+
+        private ConversationContacts contacts;
 
         private Optional<AiAgent> aiAgent = Optional.empty();
 
+        private Optional<Boolean> aiAgentParticipated = Optional.empty();
+
+        private Optional<LinkedObjectList> linkedObjects = Optional.empty();
+
+        private Optional<ConversationParts> conversationParts = Optional.empty();
+
+        private Optional<ConversationStatistics> statistics = Optional.empty();
+
+        private Optional<SlaApplied> slaApplied = Optional.empty();
+
+        private Optional<ConversationFirstContactReply> firstContactReply = Optional.empty();
+
+        private Map<String, CustomAttributesValue> customAttributes = new LinkedHashMap<>();
+
+        private Optional<ConversationTeammates> teammates = Optional.empty();
+
+        private Optional<ConversationRating> conversationRating = Optional.empty();
+
+        private Optional<Tags> tags = Optional.empty();
+
+        private Optional<String> companyId = Optional.empty();
+
+        private Optional<String> teamAssigneeId = Optional.empty();
+
+        private Optional<Integer> adminAssigneeId = Optional.empty();
+
+        private Optional<Priority> priority = Optional.empty();
+
+        private Optional<Integer> snoozedUntil = Optional.empty();
+
+        private Optional<Integer> waitingSince = Optional.empty();
+
+        private Optional<String> title = Optional.empty();
+
         @JsonAnySetter
         private Map<String, Object> additionalProperties = new HashMap<>();
 
         private Builder() {}
 
+        @java.lang.Override
         public Builder from(Conversation other) {
             type(other.getType());
             id(other.getId());
@@ -511,346 +685,404 @@ public Builder from(Conversation other) {
 
         /**
          * <p>Always conversation.</p>
+         * <p>Always conversation.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "type", nulls = Nulls.SKIP)
-        public Builder type(Optional<String> type) {
-            this.type = type;
-            return this;
-        }
-
-        public Builder type(String type) {
-            this.type = Optional.ofNullable(type);
+        @java.lang.Override
+        @JsonSetter("type")
+        public IdStage type(@NotNull String type) {
+            this.type = Objects.requireNonNull(type, "type must not be null");
             return this;
         }
 
         /**
          * <p>The id representing the conversation.</p>
+         * <p>The id representing the conversation.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "id", nulls = Nulls.SKIP)
-        public Builder id(Optional<String> id) {
-            this.id = id;
-            return this;
-        }
-
-        public Builder id(String id) {
-            this.id = Optional.ofNullable(id);
-            return this;
-        }
-
-        /**
-         * <p>The title given to the conversation.</p>
-         */
-        @JsonSetter(value = "title", nulls = Nulls.SKIP)
-        public Builder title(Optional<String> title) {
-            this.title = title;
-            return this;
-        }
-
-        public Builder title(String title) {
-            this.title = Optional.ofNullable(title);
+        @java.lang.Override
+        @JsonSetter("id")
+        public CreatedAtStage id(@NotNull String id) {
+            this.id = Objects.requireNonNull(id, "id must not be null");
             return this;
         }
 
         /**
          * <p>The time the conversation was created.</p>
+         * <p>The time the conversation was created.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "created_at", nulls = Nulls.SKIP)
-        public Builder createdAt(Optional<Integer> createdAt) {
+        @java.lang.Override
+        @JsonSetter("created_at")
+        public UpdatedAtStage createdAt(int createdAt) {
             this.createdAt = createdAt;
             return this;
         }
 
-        public Builder createdAt(Integer createdAt) {
-            this.createdAt = Optional.ofNullable(createdAt);
-            return this;
-        }
-
         /**
          * <p>The last time the conversation was updated.</p>
+         * <p>The last time the conversation was updated.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "updated_at", nulls = Nulls.SKIP)
-        public Builder updatedAt(Optional<Integer> updatedAt) {
+        @java.lang.Override
+        @JsonSetter("updated_at")
+        public OpenStage updatedAt(int updatedAt) {
             this.updatedAt = updatedAt;
             return this;
         }
 
-        public Builder updatedAt(Integer updatedAt) {
-            this.updatedAt = Optional.ofNullable(updatedAt);
-            return this;
-        }
-
         /**
-         * <p>The last time a Contact responded to an Admin. In other words, the time a customer started waiting for a response. Set to null if last reply is from an Admin.</p>
+         * <p>Indicates whether a conversation is open (true) or closed (false).</p>
+         * <p>Indicates whether a conversation is open (true) or closed (false).</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "waiting_since", nulls = Nulls.SKIP)
-        public Builder waitingSince(Optional<Integer> waitingSince) {
-            this.waitingSince = waitingSince;
-            return this;
-        }
-
-        public Builder waitingSince(Integer waitingSince) {
-            this.waitingSince = Optional.ofNullable(waitingSince);
+        @java.lang.Override
+        @JsonSetter("open")
+        public StateStage open(boolean open) {
+            this.open = open;
             return this;
         }
 
         /**
-         * <p>If set this is the time in the future when this conversation will be marked as open. i.e. it will be in a snoozed state until this time. i.e. it will be in a snoozed state until this time.</p>
+         * <p>Can be set to &quot;open&quot;, &quot;closed&quot; or &quot;snoozed&quot;.</p>
+         * <p>Can be set to &quot;open&quot;, &quot;closed&quot; or &quot;snoozed&quot;.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "snoozed_until", nulls = Nulls.SKIP)
-        public Builder snoozedUntil(Optional<Integer> snoozedUntil) {
-            this.snoozedUntil = snoozedUntil;
-            return this;
-        }
-
-        public Builder snoozedUntil(Integer snoozedUntil) {
-            this.snoozedUntil = Optional.ofNullable(snoozedUntil);
+        @java.lang.Override
+        @JsonSetter("state")
+        public ReadStage state(@NotNull State state) {
+            this.state = Objects.requireNonNull(state, "state must not be null");
             return this;
         }
 
         /**
-         * <p>Indicates whether a conversation is open (true) or closed (false).</p>
+         * <p>Indicates whether a conversation has been read.</p>
+         * <p>Indicates whether a conversation has been read.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "open", nulls = Nulls.SKIP)
-        public Builder open(Optional<Boolean> open) {
-            this.open = open;
+        @java.lang.Override
+        @JsonSetter("read")
+        public SourceStage read(boolean read) {
+            this.read = read;
             return this;
         }
 
-        public Builder open(Boolean open) {
-            this.open = Optional.ofNullable(open);
+        @java.lang.Override
+        @JsonSetter("source")
+        public ContactsStage source(@NotNull ConversationSource source) {
+            this.source = Objects.requireNonNull(source, "source must not be null");
             return this;
         }
 
-        /**
-         * <p>Can be set to &quot;open&quot;, &quot;closed&quot; or &quot;snoozed&quot;.</p>
-         */
-        @JsonSetter(value = "state", nulls = Nulls.SKIP)
-        public Builder state(Optional<State> state) {
-            this.state = state;
+        @java.lang.Override
+        @JsonSetter("contacts")
+        public _FinalStage contacts(@NotNull ConversationContacts contacts) {
+            this.contacts = Objects.requireNonNull(contacts, "contacts must not be null");
             return this;
         }
 
-        public Builder state(State state) {
-            this.state = Optional.ofNullable(state);
+        @java.lang.Override
+        public _FinalStage aiAgent(AiAgent aiAgent) {
+            this.aiAgent = Optional.ofNullable(aiAgent);
             return this;
         }
 
-        /**
-         * <p>Indicates whether a conversation has been read.</p>
-         */
-        @JsonSetter(value = "read", nulls = Nulls.SKIP)
-        public Builder read(Optional<Boolean> read) {
-            this.read = read;
+        @java.lang.Override
+        @JsonSetter(value = "ai_agent", nulls = Nulls.SKIP)
+        public _FinalStage aiAgent(Optional<AiAgent> aiAgent) {
+            this.aiAgent = aiAgent;
             return this;
         }
 
-        public Builder read(Boolean read) {
-            this.read = Optional.ofNullable(read);
+        /**
+         * <p>Indicates whether the AI Agent participated in the conversation.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
+         */
+        @java.lang.Override
+        public _FinalStage aiAgentParticipated(Boolean aiAgentParticipated) {
+            this.aiAgentParticipated = Optional.ofNullable(aiAgentParticipated);
             return this;
         }
 
         /**
-         * <p>If marked as priority, it will return priority or else not_priority.</p>
+         * <p>Indicates whether the AI Agent participated in the conversation.</p>
          */
-        @JsonSetter(value = "priority", nulls = Nulls.SKIP)
-        public Builder priority(Optional<Priority> priority) {
-            this.priority = priority;
+        @java.lang.Override
+        @JsonSetter(value = "ai_agent_participated", nulls = Nulls.SKIP)
+        public _FinalStage aiAgentParticipated(Optional<Boolean> aiAgentParticipated) {
+            this.aiAgentParticipated = aiAgentParticipated;
             return this;
         }
 
-        public Builder priority(Priority priority) {
-            this.priority = Optional.ofNullable(priority);
+        @java.lang.Override
+        public _FinalStage linkedObjects(LinkedObjectList linkedObjects) {
+            this.linkedObjects = Optional.ofNullable(linkedObjects);
             return this;
         }
 
-        /**
-         * <p>The id of the admin assigned to the conversation. If it's not assigned to an admin it will return null.</p>
-         */
-        @JsonSetter(value = "admin_assignee_id", nulls = Nulls.SKIP)
-        public Builder adminAssigneeId(Optional<Integer> adminAssigneeId) {
-            this.adminAssigneeId = adminAssigneeId;
+        @java.lang.Override
+        @JsonSetter(value = "linked_objects", nulls = Nulls.SKIP)
+        public _FinalStage linkedObjects(Optional<LinkedObjectList> linkedObjects) {
+            this.linkedObjects = linkedObjects;
             return this;
         }
 
-        public Builder adminAssigneeId(Integer adminAssigneeId) {
-            this.adminAssigneeId = Optional.ofNullable(adminAssigneeId);
+        @java.lang.Override
+        public _FinalStage conversationParts(ConversationParts conversationParts) {
+            this.conversationParts = Optional.ofNullable(conversationParts);
             return this;
         }
 
-        /**
-         * <p>The id of the team assigned to the conversation. If it's not assigned to a team it will return null.</p>
-         */
-        @JsonSetter(value = "team_assignee_id", nulls = Nulls.SKIP)
-        public Builder teamAssigneeId(Optional<String> teamAssigneeId) {
-            this.teamAssigneeId = teamAssigneeId;
+        @java.lang.Override
+        @JsonSetter(value = "conversation_parts", nulls = Nulls.SKIP)
+        public _FinalStage conversationParts(Optional<ConversationParts> conversationParts) {
+            this.conversationParts = conversationParts;
             return this;
         }
 
-        public Builder teamAssigneeId(String teamAssigneeId) {
-            this.teamAssigneeId = Optional.ofNullable(teamAssigneeId);
+        @java.lang.Override
+        public _FinalStage statistics(ConversationStatistics statistics) {
+            this.statistics = Optional.ofNullable(statistics);
             return this;
         }
 
-        /**
-         * <p>The ID of the company that the conversation is associated with. The unique identifier for the company which is given by Intercom.</p>
-         */
-        @JsonSetter(value = "company_id", nulls = Nulls.SKIP)
-        public Builder companyId(Optional<String> companyId) {
-            this.companyId = companyId;
+        @java.lang.Override
+        @JsonSetter(value = "statistics", nulls = Nulls.SKIP)
+        public _FinalStage statistics(Optional<ConversationStatistics> statistics) {
+            this.statistics = statistics;
             return this;
         }
 
-        public Builder companyId(String companyId) {
-            this.companyId = Optional.ofNullable(companyId);
+        @java.lang.Override
+        public _FinalStage slaApplied(SlaApplied slaApplied) {
+            this.slaApplied = Optional.ofNullable(slaApplied);
             return this;
         }
 
-        @JsonSetter(value = "tags", nulls = Nulls.SKIP)
-        public Builder tags(Optional<Tags> tags) {
-            this.tags = tags;
+        @java.lang.Override
+        @JsonSetter(value = "sla_applied", nulls = Nulls.SKIP)
+        public _FinalStage slaApplied(Optional<SlaApplied> slaApplied) {
+            this.slaApplied = slaApplied;
             return this;
         }
 
-        public Builder tags(Tags tags) {
-            this.tags = Optional.ofNullable(tags);
+        @java.lang.Override
+        public _FinalStage firstContactReply(ConversationFirstContactReply firstContactReply) {
+            this.firstContactReply = Optional.ofNullable(firstContactReply);
             return this;
         }
 
-        @JsonSetter(value = "conversation_rating", nulls = Nulls.SKIP)
-        public Builder conversationRating(Optional<ConversationRating> conversationRating) {
-            this.conversationRating = conversationRating;
+        @java.lang.Override
+        @JsonSetter(value = "first_contact_reply", nulls = Nulls.SKIP)
+        public _FinalStage firstContactReply(Optional<ConversationFirstContactReply> firstContactReply) {
+            this.firstContactReply = firstContactReply;
             return this;
         }
 
-        public Builder conversationRating(ConversationRating conversationRating) {
-            this.conversationRating = Optional.ofNullable(conversationRating);
+        @java.lang.Override
+        public _FinalStage customAttributes(String key, CustomAttributesValue value) {
+            this.customAttributes.put(key, value);
             return this;
         }
 
-        @JsonSetter(value = "source", nulls = Nulls.SKIP)
-        public Builder source(Optional<ConversationSource> source) {
-            this.source = source;
+        @java.lang.Override
+        public _FinalStage putAllCustomAttributes(Map<String, CustomAttributesValue> customAttributes) {
+            if (customAttributes != null) {
+                this.customAttributes.putAll(customAttributes);
+            }
             return this;
         }
 
-        public Builder source(ConversationSource source) {
-            this.source = Optional.ofNullable(source);
+        @java.lang.Override
+        @JsonSetter(value = "custom_attributes", nulls = Nulls.SKIP)
+        public _FinalStage customAttributes(Map<String, CustomAttributesValue> customAttributes) {
+            this.customAttributes.clear();
+            if (customAttributes != null) {
+                this.customAttributes.putAll(customAttributes);
+            }
             return this;
         }
 
-        @JsonSetter(value = "contacts", nulls = Nulls.SKIP)
-        public Builder contacts(Optional<ConversationContacts> contacts) {
-            this.contacts = contacts;
+        @java.lang.Override
+        public _FinalStage teammates(ConversationTeammates teammates) {
+            this.teammates = Optional.ofNullable(teammates);
             return this;
         }
 
-        public Builder contacts(ConversationContacts contacts) {
-            this.contacts = Optional.ofNullable(contacts);
+        @java.lang.Override
+        @JsonSetter(value = "teammates", nulls = Nulls.SKIP)
+        public _FinalStage teammates(Optional<ConversationTeammates> teammates) {
+            this.teammates = teammates;
             return this;
         }
 
-        @JsonSetter(value = "teammates", nulls = Nulls.SKIP)
-        public Builder teammates(Optional<ConversationTeammates> teammates) {
-            this.teammates = teammates;
+        @java.lang.Override
+        public _FinalStage conversationRating(ConversationRating conversationRating) {
+            this.conversationRating = Optional.ofNullable(conversationRating);
             return this;
         }
 
-        public Builder teammates(ConversationTeammates teammates) {
-            this.teammates = Optional.ofNullable(teammates);
+        @java.lang.Override
+        @JsonSetter(value = "conversation_rating", nulls = Nulls.SKIP)
+        public _FinalStage conversationRating(Optional<ConversationRating> conversationRating) {
+            this.conversationRating = conversationRating;
             return this;
         }
 
-        @JsonSetter(value = "custom_attributes", nulls = Nulls.SKIP)
-        public Builder customAttributes(Optional<Map<String, CustomAttributesValue>> customAttributes) {
-            this.customAttributes = customAttributes;
+        @java.lang.Override
+        public _FinalStage tags(Tags tags) {
+            this.tags = Optional.ofNullable(tags);
             return this;
         }
 
-        public Builder customAttributes(Map<String, CustomAttributesValue> customAttributes) {
-            this.customAttributes = Optional.ofNullable(customAttributes);
+        @java.lang.Override
+        @JsonSetter(value = "tags", nulls = Nulls.SKIP)
+        public _FinalStage tags(Optional<Tags> tags) {
+            this.tags = tags;
             return this;
         }
 
-        @JsonSetter(value = "first_contact_reply", nulls = Nulls.SKIP)
-        public Builder firstContactReply(Optional<ConversationFirstContactReply> firstContactReply) {
-            this.firstContactReply = firstContactReply;
+        /**
+         * <p>The ID of the company that the conversation is associated with. The unique identifier for the company which is given by Intercom.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
+         */
+        @java.lang.Override
+        public _FinalStage companyId(String companyId) {
+            this.companyId = Optional.ofNullable(companyId);
             return this;
         }
 
-        public Builder firstContactReply(ConversationFirstContactReply firstContactReply) {
-            this.firstContactReply = Optional.ofNullable(firstContactReply);
+        /**
+         * <p>The ID of the company that the conversation is associated with. The unique identifier for the company which is given by Intercom.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "company_id", nulls = Nulls.SKIP)
+        public _FinalStage companyId(Optional<String> companyId) {
+            this.companyId = companyId;
             return this;
         }
 
-        @JsonSetter(value = "sla_applied", nulls = Nulls.SKIP)
-        public Builder slaApplied(Optional<SlaApplied> slaApplied) {
-            this.slaApplied = slaApplied;
+        /**
+         * <p>The id of the team assigned to the conversation. If it's not assigned to a team it will return null.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
+         */
+        @java.lang.Override
+        public _FinalStage teamAssigneeId(String teamAssigneeId) {
+            this.teamAssigneeId = Optional.ofNullable(teamAssigneeId);
             return this;
         }
 
-        public Builder slaApplied(SlaApplied slaApplied) {
-            this.slaApplied = Optional.ofNullable(slaApplied);
+        /**
+         * <p>The id of the team assigned to the conversation. If it's not assigned to a team it will return null.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "team_assignee_id", nulls = Nulls.SKIP)
+        public _FinalStage teamAssigneeId(Optional<String> teamAssigneeId) {
+            this.teamAssigneeId = teamAssigneeId;
             return this;
         }
 
-        @JsonSetter(value = "statistics", nulls = Nulls.SKIP)
-        public Builder statistics(Optional<ConversationStatistics> statistics) {
-            this.statistics = statistics;
+        /**
+         * <p>The id of the admin assigned to the conversation. If it's not assigned to an admin it will return null.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
+         */
+        @java.lang.Override
+        public _FinalStage adminAssigneeId(Integer adminAssigneeId) {
+            this.adminAssigneeId = Optional.ofNullable(adminAssigneeId);
             return this;
         }
 
-        public Builder statistics(ConversationStatistics statistics) {
-            this.statistics = Optional.ofNullable(statistics);
+        /**
+         * <p>The id of the admin assigned to the conversation. If it's not assigned to an admin it will return null.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "admin_assignee_id", nulls = Nulls.SKIP)
+        public _FinalStage adminAssigneeId(Optional<Integer> adminAssigneeId) {
+            this.adminAssigneeId = adminAssigneeId;
             return this;
         }
 
-        @JsonSetter(value = "conversation_parts", nulls = Nulls.SKIP)
-        public Builder conversationParts(Optional<ConversationParts> conversationParts) {
-            this.conversationParts = conversationParts;
+        /**
+         * <p>If marked as priority, it will return priority or else not_priority.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
+         */
+        @java.lang.Override
+        public _FinalStage priority(Priority priority) {
+            this.priority = Optional.ofNullable(priority);
             return this;
         }
 
-        public Builder conversationParts(ConversationParts conversationParts) {
-            this.conversationParts = Optional.ofNullable(conversationParts);
+        /**
+         * <p>If marked as priority, it will return priority or else not_priority.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "priority", nulls = Nulls.SKIP)
+        public _FinalStage priority(Optional<Priority> priority) {
+            this.priority = priority;
             return this;
         }
 
-        @JsonSetter(value = "linked_objects", nulls = Nulls.SKIP)
-        public Builder linkedObjects(Optional<LinkedObjectList> linkedObjects) {
-            this.linkedObjects = linkedObjects;
+        /**
+         * <p>If set this is the time in the future when this conversation will be marked as open. i.e. it will be in a snoozed state until this time. i.e. it will be in a snoozed state until this time.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
+         */
+        @java.lang.Override
+        public _FinalStage snoozedUntil(Integer snoozedUntil) {
+            this.snoozedUntil = Optional.ofNullable(snoozedUntil);
             return this;
         }
 
-        public Builder linkedObjects(LinkedObjectList linkedObjects) {
-            this.linkedObjects = Optional.ofNullable(linkedObjects);
+        /**
+         * <p>If set this is the time in the future when this conversation will be marked as open. i.e. it will be in a snoozed state until this time. i.e. it will be in a snoozed state until this time.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "snoozed_until", nulls = Nulls.SKIP)
+        public _FinalStage snoozedUntil(Optional<Integer> snoozedUntil) {
+            this.snoozedUntil = snoozedUntil;
             return this;
         }
 
         /**
-         * <p>Indicates whether the AI Agent participated in the conversation.</p>
+         * <p>The last time a Contact responded to an Admin. In other words, the time a customer started waiting for a response. Set to null if last reply is from an Admin.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "ai_agent_participated", nulls = Nulls.SKIP)
-        public Builder aiAgentParticipated(Optional<Boolean> aiAgentParticipated) {
-            this.aiAgentParticipated = aiAgentParticipated;
+        @java.lang.Override
+        public _FinalStage waitingSince(Integer waitingSince) {
+            this.waitingSince = Optional.ofNullable(waitingSince);
             return this;
         }
 
-        public Builder aiAgentParticipated(Boolean aiAgentParticipated) {
-            this.aiAgentParticipated = Optional.ofNullable(aiAgentParticipated);
+        /**
+         * <p>The last time a Contact responded to an Admin. In other words, the time a customer started waiting for a response. Set to null if last reply is from an Admin.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "waiting_since", nulls = Nulls.SKIP)
+        public _FinalStage waitingSince(Optional<Integer> waitingSince) {
+            this.waitingSince = waitingSince;
             return this;
         }
 
-        @JsonSetter(value = "ai_agent", nulls = Nulls.SKIP)
-        public Builder aiAgent(Optional<AiAgent> aiAgent) {
-            this.aiAgent = aiAgent;
+        /**
+         * <p>The title given to the conversation.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
+         */
+        @java.lang.Override
+        public _FinalStage title(String title) {
+            this.title = Optional.ofNullable(title);
             return this;
         }
 
-        public Builder aiAgent(AiAgent aiAgent) {
-            this.aiAgent = Optional.ofNullable(aiAgent);
+        /**
+         * <p>The title given to the conversation.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "title", nulls = Nulls.SKIP)
+        public _FinalStage title(Optional<String> title) {
+            this.title = title;
             return this;
         }
 
+        @java.lang.Override
         public Conversation build() {
             return new Conversation(
                     type,
diff --git a/src/main/java/com/intercom/api/resources/dataevents/types/DataEvent.java b/src/main/java/com/intercom/api/resources/dataevents/types/DataEvent.java
index 67bf949e..dd41d0a3 100644
--- a/src/main/java/com/intercom/api/resources/dataevents/types/DataEvent.java
+++ b/src/main/java/com/intercom/api/resources/dataevents/types/DataEvent.java
@@ -21,8 +21,6 @@
 @JsonInclude(JsonInclude.Include.NON_ABSENT)
 @JsonDeserialize(builder = DataEvent.Builder.class)
 public final class DataEvent {
-    private final Optional<String> type;
-
     private final String eventName;
 
     private final int createdAt;
@@ -40,7 +38,6 @@ public final class DataEvent {
     private final Map<String, Object> additionalProperties;
 
     private DataEvent(
-            Optional<String> type,
             String eventName,
             int createdAt,
             Optional<String> userId,
@@ -49,7 +46,6 @@ private DataEvent(
             Optional<String> email,
             Optional<Map<String, String>> metadata,
             Map<String, Object> additionalProperties) {
-        this.type = type;
         this.eventName = eventName;
         this.createdAt = createdAt;
         this.userId = userId;
@@ -64,8 +60,8 @@ private DataEvent(
      * @return The type of the object
      */
     @JsonProperty("type")
-    public Optional<String> getType() {
-        return type;
+    public String getType() {
+        return "event";
     }
 
     /**
@@ -136,8 +132,7 @@ public Map<String, Object> getAdditionalProperties() {
     }
 
     private boolean equalTo(DataEvent other) {
-        return type.equals(other.type)
-                && eventName.equals(other.eventName)
+        return eventName.equals(other.eventName)
                 && createdAt == other.createdAt
                 && userId.equals(other.userId)
                 && id.equals(other.id)
@@ -149,14 +144,7 @@ private boolean equalTo(DataEvent other) {
     @java.lang.Override
     public int hashCode() {
         return Objects.hash(
-                this.type,
-                this.eventName,
-                this.createdAt,
-                this.userId,
-                this.id,
-                this.intercomUserId,
-                this.email,
-                this.metadata);
+                this.eventName, this.createdAt, this.userId, this.id, this.intercomUserId, this.email, this.metadata);
     }
 
     @java.lang.Override
@@ -187,13 +175,6 @@ public interface CreatedAtStage {
     public interface _FinalStage {
         DataEvent build();
 
-        /**
-         * <p>The type of the object</p>
-         */
-        _FinalStage type(Optional<String> type);
-
-        _FinalStage type(String type);
-
         /**
          * <p>Your identifier for the user.</p>
          */
@@ -246,8 +227,6 @@ public static final class Builder implements EventNameStage, CreatedAtStage, _Fi
 
         private Optional<String> userId = Optional.empty();
 
-        private Optional<String> type = Optional.empty();
-
         @JsonAnySetter
         private Map<String, Object> additionalProperties = new HashMap<>();
 
@@ -255,7 +234,6 @@ private Builder() {}
 
         @java.lang.Override
         public Builder from(DataEvent other) {
-            type(other.getType());
             eventName(other.getEventName());
             createdAt(other.getCreatedAt());
             userId(other.getUserId());
@@ -390,30 +368,10 @@ public _FinalStage userId(Optional<String> userId) {
             return this;
         }
 
-        /**
-         * <p>The type of the object</p>
-         * @return Reference to {@code this} so that method calls can be chained together.
-         */
-        @java.lang.Override
-        public _FinalStage type(String type) {
-            this.type = Optional.ofNullable(type);
-            return this;
-        }
-
-        /**
-         * <p>The type of the object</p>
-         */
-        @java.lang.Override
-        @JsonSetter(value = "type", nulls = Nulls.SKIP)
-        public _FinalStage type(Optional<String> type) {
-            this.type = type;
-            return this;
-        }
-
         @java.lang.Override
         public DataEvent build() {
             return new DataEvent(
-                    type, eventName, createdAt, userId, id, intercomUserId, email, metadata, additionalProperties);
+                    eventName, createdAt, userId, id, intercomUserId, email, metadata, additionalProperties);
         }
     }
 }
diff --git a/src/main/java/com/intercom/api/resources/messages/types/Message.java b/src/main/java/com/intercom/api/resources/messages/types/Message.java
index face5205..7ac2f4cf 100644
--- a/src/main/java/com/intercom/api/resources/messages/types/Message.java
+++ b/src/main/java/com/intercom/api/resources/messages/types/Message.java
@@ -35,7 +35,7 @@ public final class Message {
 
     private final MessageType messageType;
 
-    private final Optional<String> conversationId;
+    private final String conversationId;
 
     private final Map<String, Object> additionalProperties;
 
@@ -46,7 +46,7 @@ private Message(
             Optional<String> subject,
             String body,
             MessageType messageType,
-            Optional<String> conversationId,
+            String conversationId,
             Map<String, Object> additionalProperties) {
         this.type = type;
         this.id = id;
@@ -110,7 +110,7 @@ public MessageType getMessageType() {
      * @return The associated conversation_id
      */
     @JsonProperty("conversation_id")
-    public Optional<String> getConversationId() {
+    public String getConversationId() {
         return conversationId;
     }
 
@@ -184,7 +184,14 @@ public interface MessageTypeStage {
         /**
          * <p>The type of message that was sent. Can be email, inapp, facebook or twitter.</p>
          */
-        _FinalStage messageType(@NotNull MessageType messageType);
+        ConversationIdStage messageType(@NotNull MessageType messageType);
+    }
+
+    public interface ConversationIdStage {
+        /**
+         * <p>The associated conversation_id</p>
+         */
+        _FinalStage conversationId(@NotNull String conversationId);
     }
 
     public interface _FinalStage {
@@ -196,18 +203,17 @@ public interface _FinalStage {
         _FinalStage subject(Optional<String> subject);
 
         _FinalStage subject(String subject);
-
-        /**
-         * <p>The associated conversation_id</p>
-         */
-        _FinalStage conversationId(Optional<String> conversationId);
-
-        _FinalStage conversationId(String conversationId);
     }
 
     @JsonIgnoreProperties(ignoreUnknown = true)
     public static final class Builder
-            implements TypeStage, IdStage, CreatedAtStage, BodyStage, MessageTypeStage, _FinalStage {
+            implements TypeStage,
+                    IdStage,
+                    CreatedAtStage,
+                    BodyStage,
+                    MessageTypeStage,
+                    ConversationIdStage,
+                    _FinalStage {
         private String type;
 
         private String id;
@@ -218,7 +224,7 @@ public static final class Builder
 
         private MessageType messageType;
 
-        private Optional<String> conversationId = Optional.empty();
+        private String conversationId;
 
         private Optional<String> subject = Optional.empty();
 
@@ -294,28 +300,20 @@ public MessageTypeStage body(@NotNull String body) {
          */
         @java.lang.Override
         @JsonSetter("message_type")
-        public _FinalStage messageType(@NotNull MessageType messageType) {
+        public ConversationIdStage messageType(@NotNull MessageType messageType) {
             this.messageType = Objects.requireNonNull(messageType, "messageType must not be null");
             return this;
         }
 
         /**
          * <p>The associated conversation_id</p>
-         * @return Reference to {@code this} so that method calls can be chained together.
-         */
-        @java.lang.Override
-        public _FinalStage conversationId(String conversationId) {
-            this.conversationId = Optional.ofNullable(conversationId);
-            return this;
-        }
-
-        /**
          * <p>The associated conversation_id</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
         @java.lang.Override
-        @JsonSetter(value = "conversation_id", nulls = Nulls.SKIP)
-        public _FinalStage conversationId(Optional<String> conversationId) {
-            this.conversationId = conversationId;
+        @JsonSetter("conversation_id")
+        public _FinalStage conversationId(@NotNull String conversationId) {
+            this.conversationId = Objects.requireNonNull(conversationId, "conversationId must not be null");
             return this;
         }
 
diff --git a/src/main/java/com/intercom/api/resources/notes/types/Note.java b/src/main/java/com/intercom/api/resources/notes/types/Note.java
index 847c3353..f730300d 100644
--- a/src/main/java/com/intercom/api/resources/notes/types/Note.java
+++ b/src/main/java/com/intercom/api/resources/notes/types/Note.java
@@ -17,31 +17,32 @@
 import java.util.Map;
 import java.util.Objects;
 import java.util.Optional;
+import org.jetbrains.annotations.NotNull;
 
 @JsonInclude(JsonInclude.Include.NON_ABSENT)
 @JsonDeserialize(builder = Note.Builder.class)
 public final class Note {
-    private final Optional<String> type;
+    private final String type;
 
-    private final Optional<String> id;
+    private final String id;
 
-    private final Optional<Integer> createdAt;
+    private final int createdAt;
 
     private final Optional<Contact> contact;
 
     private final Optional<Admin> author;
 
-    private final Optional<String> body;
+    private final String body;
 
     private final Map<String, Object> additionalProperties;
 
     private Note(
-            Optional<String> type,
-            Optional<String> id,
-            Optional<Integer> createdAt,
+            String type,
+            String id,
+            int createdAt,
             Optional<Contact> contact,
             Optional<Admin> author,
-            Optional<String> body,
+            String body,
             Map<String, Object> additionalProperties) {
         this.type = type;
         this.id = id;
@@ -56,7 +57,7 @@ private Note(
      * @return String representing the object's type. Always has the value <code>note</code>.
      */
     @JsonProperty("type")
-    public Optional<String> getType() {
+    public String getType() {
         return type;
     }
 
@@ -64,7 +65,7 @@ public Optional<String> getType() {
      * @return The id of the note.
      */
     @JsonProperty("id")
-    public Optional<String> getId() {
+    public String getId() {
         return id;
     }
 
@@ -72,7 +73,7 @@ public Optional<String> getId() {
      * @return The time the note was created.
      */
     @JsonProperty("created_at")
-    public Optional<Integer> getCreatedAt() {
+    public int getCreatedAt() {
         return createdAt;
     }
 
@@ -96,7 +97,7 @@ public Optional<Admin> getAuthor() {
      * @return The body text of the note.
      */
     @JsonProperty("body")
-    public Optional<String> getBody() {
+    public String getBody() {
         return body;
     }
 
@@ -114,7 +115,7 @@ public Map<String, Object> getAdditionalProperties() {
     private boolean equalTo(Note other) {
         return type.equals(other.type)
                 && id.equals(other.id)
-                && createdAt.equals(other.createdAt)
+                && createdAt == other.createdAt
                 && contact.equals(other.contact)
                 && author.equals(other.author)
                 && body.equals(other.body);
@@ -130,29 +131,78 @@ public String toString() {
         return ObjectMappers.stringify(this);
     }
 
-    public static Builder builder() {
+    public static TypeStage builder() {
         return new Builder();
     }
 
+    public interface TypeStage {
+        /**
+         * <p>String representing the object's type. Always has the value <code>note</code>.</p>
+         */
+        IdStage type(@NotNull String type);
+
+        Builder from(Note other);
+    }
+
+    public interface IdStage {
+        /**
+         * <p>The id of the note.</p>
+         */
+        CreatedAtStage id(@NotNull String id);
+    }
+
+    public interface CreatedAtStage {
+        /**
+         * <p>The time the note was created.</p>
+         */
+        BodyStage createdAt(int createdAt);
+    }
+
+    public interface BodyStage {
+        /**
+         * <p>The body text of the note.</p>
+         */
+        _FinalStage body(@NotNull String body);
+    }
+
+    public interface _FinalStage {
+        Note build();
+
+        /**
+         * <p>Represents the contact that the note was created about.</p>
+         */
+        _FinalStage contact(Optional<Contact> contact);
+
+        _FinalStage contact(Contact contact);
+
+        /**
+         * <p>Optional. Represents the Admin that created the note.</p>
+         */
+        _FinalStage author(Optional<Admin> author);
+
+        _FinalStage author(Admin author);
+    }
+
     @JsonIgnoreProperties(ignoreUnknown = true)
-    public static final class Builder {
-        private Optional<String> type = Optional.empty();
+    public static final class Builder implements TypeStage, IdStage, CreatedAtStage, BodyStage, _FinalStage {
+        private String type;
 
-        private Optional<String> id = Optional.empty();
+        private String id;
 
-        private Optional<Integer> createdAt = Optional.empty();
+        private int createdAt;
 
-        private Optional<Contact> contact = Optional.empty();
+        private String body;
 
         private Optional<Admin> author = Optional.empty();
 
-        private Optional<String> body = Optional.empty();
+        private Optional<Contact> contact = Optional.empty();
 
         @JsonAnySetter
         private Map<String, Object> additionalProperties = new HashMap<>();
 
         private Builder() {}
 
+        @java.lang.Override
         public Builder from(Note other) {
             type(other.getType());
             id(other.getId());
@@ -165,88 +215,93 @@ public Builder from(Note other) {
 
         /**
          * <p>String representing the object's type. Always has the value <code>note</code>.</p>
+         * <p>String representing the object's type. Always has the value <code>note</code>.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "type", nulls = Nulls.SKIP)
-        public Builder type(Optional<String> type) {
-            this.type = type;
-            return this;
-        }
-
-        public Builder type(String type) {
-            this.type = Optional.ofNullable(type);
+        @java.lang.Override
+        @JsonSetter("type")
+        public IdStage type(@NotNull String type) {
+            this.type = Objects.requireNonNull(type, "type must not be null");
             return this;
         }
 
         /**
          * <p>The id of the note.</p>
+         * <p>The id of the note.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "id", nulls = Nulls.SKIP)
-        public Builder id(Optional<String> id) {
-            this.id = id;
-            return this;
-        }
-
-        public Builder id(String id) {
-            this.id = Optional.ofNullable(id);
+        @java.lang.Override
+        @JsonSetter("id")
+        public CreatedAtStage id(@NotNull String id) {
+            this.id = Objects.requireNonNull(id, "id must not be null");
             return this;
         }
 
         /**
          * <p>The time the note was created.</p>
+         * <p>The time the note was created.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "created_at", nulls = Nulls.SKIP)
-        public Builder createdAt(Optional<Integer> createdAt) {
+        @java.lang.Override
+        @JsonSetter("created_at")
+        public BodyStage createdAt(int createdAt) {
             this.createdAt = createdAt;
             return this;
         }
 
-        public Builder createdAt(Integer createdAt) {
-            this.createdAt = Optional.ofNullable(createdAt);
-            return this;
-        }
-
         /**
-         * <p>Represents the contact that the note was created about.</p>
+         * <p>The body text of the note.</p>
+         * <p>The body text of the note.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "contact", nulls = Nulls.SKIP)
-        public Builder contact(Optional<Contact> contact) {
-            this.contact = contact;
+        @java.lang.Override
+        @JsonSetter("body")
+        public _FinalStage body(@NotNull String body) {
+            this.body = Objects.requireNonNull(body, "body must not be null");
             return this;
         }
 
-        public Builder contact(Contact contact) {
-            this.contact = Optional.ofNullable(contact);
+        /**
+         * <p>Optional. Represents the Admin that created the note.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
+         */
+        @java.lang.Override
+        public _FinalStage author(Admin author) {
+            this.author = Optional.ofNullable(author);
             return this;
         }
 
         /**
          * <p>Optional. Represents the Admin that created the note.</p>
          */
+        @java.lang.Override
         @JsonSetter(value = "author", nulls = Nulls.SKIP)
-        public Builder author(Optional<Admin> author) {
+        public _FinalStage author(Optional<Admin> author) {
             this.author = author;
             return this;
         }
 
-        public Builder author(Admin author) {
-            this.author = Optional.ofNullable(author);
-            return this;
-        }
-
         /**
-         * <p>The body text of the note.</p>
+         * <p>Represents the contact that the note was created about.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "body", nulls = Nulls.SKIP)
-        public Builder body(Optional<String> body) {
-            this.body = body;
+        @java.lang.Override
+        public _FinalStage contact(Contact contact) {
+            this.contact = Optional.ofNullable(contact);
             return this;
         }
 
-        public Builder body(String body) {
-            this.body = Optional.ofNullable(body);
+        /**
+         * <p>Represents the contact that the note was created about.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "contact", nulls = Nulls.SKIP)
+        public _FinalStage contact(Optional<Contact> contact) {
+            this.contact = contact;
             return this;
         }
 
+        @java.lang.Override
         public Note build() {
             return new Note(type, id, createdAt, contact, author, body, additionalProperties);
         }
diff --git a/src/main/java/com/intercom/api/resources/tickets/types/Ticket.java b/src/main/java/com/intercom/api/resources/tickets/types/Ticket.java
index 3f4a1975..f55ee50f 100644
--- a/src/main/java/com/intercom/api/resources/tickets/types/Ticket.java
+++ b/src/main/java/com/intercom/api/resources/tickets/types/Ticket.java
@@ -17,28 +17,28 @@
 import com.intercom.api.types.LinkedObjectList;
 import com.intercom.api.types.TicketParts;
 import java.util.HashMap;
+import java.util.LinkedHashMap;
 import java.util.Map;
 import java.util.Objects;
 import java.util.Optional;
+import org.jetbrains.annotations.NotNull;
 
 @JsonInclude(JsonInclude.Include.NON_ABSENT)
 @JsonDeserialize(builder = Ticket.Builder.class)
 public final class Ticket {
-    private final Optional<String> type;
+    private final String id;
 
-    private final Optional<String> id;
+    private final String ticketId;
 
-    private final Optional<String> ticketId;
+    private final Category category;
 
-    private final Optional<Category> category;
-
-    private final Optional<Map<String, Object>> ticketAttributes;
+    private final Map<String, Object> ticketAttributes;
 
     private final Optional<TicketState> ticketState;
 
     private final Optional<TicketType> ticketType;
 
-    private final Optional<TicketContacts> contacts;
+    private final TicketContacts contacts;
 
     private final Optional<String> adminAssigneeId;
 
@@ -61,14 +61,13 @@ public final class Ticket {
     private final Map<String, Object> additionalProperties;
 
     private Ticket(
-            Optional<String> type,
-            Optional<String> id,
-            Optional<String> ticketId,
-            Optional<Category> category,
-            Optional<Map<String, Object>> ticketAttributes,
+            String id,
+            String ticketId,
+            Category category,
+            Map<String, Object> ticketAttributes,
             Optional<TicketState> ticketState,
             Optional<TicketType> ticketType,
-            Optional<TicketContacts> contacts,
+            TicketContacts contacts,
             Optional<String> adminAssigneeId,
             Optional<String> teamAssigneeId,
             Optional<Integer> createdAt,
@@ -79,7 +78,6 @@ private Ticket(
             Optional<TicketParts> ticketParts,
             Optional<Boolean> isShared,
             Map<String, Object> additionalProperties) {
-        this.type = type;
         this.id = id;
         this.ticketId = ticketId;
         this.category = category;
@@ -103,15 +101,15 @@ private Ticket(
      * @return Always ticket
      */
     @JsonProperty("type")
-    public Optional<String> getType() {
-        return type;
+    public String getType() {
+        return "ticket";
     }
 
     /**
      * @return The unique identifier for the ticket which is given by Intercom.
      */
     @JsonProperty("id")
-    public Optional<String> getId() {
+    public String getId() {
         return id;
     }
 
@@ -119,7 +117,7 @@ public Optional<String> getId() {
      * @return The ID of the Ticket used in the Intercom Inbox and Messenger. Do not use ticket_id for API queries.
      */
     @JsonProperty("ticket_id")
-    public Optional<String> getTicketId() {
+    public String getTicketId() {
         return ticketId;
     }
 
@@ -127,12 +125,12 @@ public Optional<String> getTicketId() {
      * @return Category of the Ticket.
      */
     @JsonProperty("category")
-    public Optional<Category> getCategory() {
+    public Category getCategory() {
         return category;
     }
 
     @JsonProperty("ticket_attributes")
-    public Optional<Map<String, Object>> getTicketAttributes() {
+    public Map<String, Object> getTicketAttributes() {
         return ticketAttributes;
     }
 
@@ -147,7 +145,7 @@ public Optional<TicketType> getTicketType() {
     }
 
     @JsonProperty("contacts")
-    public Optional<TicketContacts> getContacts() {
+    public TicketContacts getContacts() {
         return contacts;
     }
 
@@ -229,8 +227,7 @@ public Map<String, Object> getAdditionalProperties() {
     }
 
     private boolean equalTo(Ticket other) {
-        return type.equals(other.type)
-                && id.equals(other.id)
+        return id.equals(other.id)
                 && ticketId.equals(other.ticketId)
                 && category.equals(other.category)
                 && ticketAttributes.equals(other.ticketAttributes)
@@ -251,7 +248,6 @@ private boolean equalTo(Ticket other) {
     @java.lang.Override
     public int hashCode() {
         return Objects.hash(
-                this.type,
                 this.id,
                 this.ticketId,
                 this.category,
@@ -275,53 +271,153 @@ public String toString() {
         return ObjectMappers.stringify(this);
     }
 
-    public static Builder builder() {
+    public static IdStage builder() {
         return new Builder();
     }
 
-    @JsonIgnoreProperties(ignoreUnknown = true)
-    public static final class Builder {
-        private Optional<String> type = Optional.empty();
+    public interface IdStage {
+        /**
+         * <p>The unique identifier for the ticket which is given by Intercom.</p>
+         */
+        TicketIdStage id(@NotNull String id);
 
-        private Optional<String> id = Optional.empty();
+        Builder from(Ticket other);
+    }
 
-        private Optional<String> ticketId = Optional.empty();
+    public interface TicketIdStage {
+        /**
+         * <p>The ID of the Ticket used in the Intercom Inbox and Messenger. Do not use ticket_id for API queries.</p>
+         */
+        CategoryStage ticketId(@NotNull String ticketId);
+    }
 
-        private Optional<Category> category = Optional.empty();
+    public interface CategoryStage {
+        /**
+         * <p>Category of the Ticket.</p>
+         */
+        ContactsStage category(@NotNull Category category);
+    }
 
-        private Optional<Map<String, Object>> ticketAttributes = Optional.empty();
+    public interface ContactsStage {
+        _FinalStage contacts(@NotNull TicketContacts contacts);
+    }
 
-        private Optional<TicketState> ticketState = Optional.empty();
+    public interface _FinalStage {
+        Ticket build();
 
-        private Optional<TicketType> ticketType = Optional.empty();
+        _FinalStage ticketAttributes(Map<String, Object> ticketAttributes);
 
-        private Optional<TicketContacts> contacts = Optional.empty();
+        _FinalStage putAllTicketAttributes(Map<String, Object> ticketAttributes);
 
-        private Optional<String> adminAssigneeId = Optional.empty();
+        _FinalStage ticketAttributes(String key, Object value);
 
-        private Optional<String> teamAssigneeId = Optional.empty();
+        _FinalStage ticketState(Optional<TicketState> ticketState);
 
-        private Optional<Integer> createdAt = Optional.empty();
+        _FinalStage ticketState(TicketState ticketState);
 
-        private Optional<Integer> updatedAt = Optional.empty();
+        _FinalStage ticketType(Optional<TicketType> ticketType);
 
-        private Optional<Boolean> open = Optional.empty();
+        _FinalStage ticketType(TicketType ticketType);
 
-        private Optional<Integer> snoozedUntil = Optional.empty();
+        /**
+         * <p>The id representing the admin assigned to the ticket.</p>
+         */
+        _FinalStage adminAssigneeId(Optional<String> adminAssigneeId);
 
-        private Optional<LinkedObjectList> linkedObjects = Optional.empty();
+        _FinalStage adminAssigneeId(String adminAssigneeId);
 
-        private Optional<TicketParts> ticketParts = Optional.empty();
+        /**
+         * <p>The id representing the team assigned to the ticket.</p>
+         */
+        _FinalStage teamAssigneeId(Optional<String> teamAssigneeId);
+
+        _FinalStage teamAssigneeId(String teamAssigneeId);
+
+        /**
+         * <p>The time the ticket was created as a UTC Unix timestamp.</p>
+         */
+        _FinalStage createdAt(Optional<Integer> createdAt);
+
+        _FinalStage createdAt(Integer createdAt);
+
+        /**
+         * <p>The last time the ticket was updated as a UTC Unix timestamp.</p>
+         */
+        _FinalStage updatedAt(Optional<Integer> updatedAt);
+
+        _FinalStage updatedAt(Integer updatedAt);
+
+        /**
+         * <p>Whether or not the ticket is open. If false, the ticket is closed.</p>
+         */
+        _FinalStage open(Optional<Boolean> open);
+
+        _FinalStage open(Boolean open);
+
+        /**
+         * <p>The time the ticket will be snoozed until as a UTC Unix timestamp. If null, the ticket is not currently snoozed.</p>
+         */
+        _FinalStage snoozedUntil(Optional<Integer> snoozedUntil);
+
+        _FinalStage snoozedUntil(Integer snoozedUntil);
+
+        _FinalStage linkedObjects(Optional<LinkedObjectList> linkedObjects);
+
+        _FinalStage linkedObjects(LinkedObjectList linkedObjects);
+
+        _FinalStage ticketParts(Optional<TicketParts> ticketParts);
+
+        _FinalStage ticketParts(TicketParts ticketParts);
+
+        /**
+         * <p>Whether or not the ticket is shared with the customer.</p>
+         */
+        _FinalStage isShared(Optional<Boolean> isShared);
+
+        _FinalStage isShared(Boolean isShared);
+    }
+
+    @JsonIgnoreProperties(ignoreUnknown = true)
+    public static final class Builder implements IdStage, TicketIdStage, CategoryStage, ContactsStage, _FinalStage {
+        private String id;
+
+        private String ticketId;
+
+        private Category category;
+
+        private TicketContacts contacts;
 
         private Optional<Boolean> isShared = Optional.empty();
 
+        private Optional<TicketParts> ticketParts = Optional.empty();
+
+        private Optional<LinkedObjectList> linkedObjects = Optional.empty();
+
+        private Optional<Integer> snoozedUntil = Optional.empty();
+
+        private Optional<Boolean> open = Optional.empty();
+
+        private Optional<Integer> updatedAt = Optional.empty();
+
+        private Optional<Integer> createdAt = Optional.empty();
+
+        private Optional<String> teamAssigneeId = Optional.empty();
+
+        private Optional<String> adminAssigneeId = Optional.empty();
+
+        private Optional<TicketType> ticketType = Optional.empty();
+
+        private Optional<TicketState> ticketState = Optional.empty();
+
+        private Map<String, Object> ticketAttributes = new LinkedHashMap<>();
+
         @JsonAnySetter
         private Map<String, Object> additionalProperties = new HashMap<>();
 
         private Builder() {}
 
+        @java.lang.Override
         public Builder from(Ticket other) {
-            type(other.getType());
             id(other.getId());
             ticketId(other.getTicketId());
             category(other.getCategory());
@@ -342,228 +438,267 @@ public Builder from(Ticket other) {
         }
 
         /**
-         * <p>Always ticket</p>
-         */
-        @JsonSetter(value = "type", nulls = Nulls.SKIP)
-        public Builder type(Optional<String> type) {
-            this.type = type;
-            return this;
-        }
-
-        public Builder type(String type) {
-            this.type = Optional.ofNullable(type);
-            return this;
-        }
-
-        /**
          * <p>The unique identifier for the ticket which is given by Intercom.</p>
+         * <p>The unique identifier for the ticket which is given by Intercom.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "id", nulls = Nulls.SKIP)
-        public Builder id(Optional<String> id) {
-            this.id = id;
-            return this;
-        }
-
-        public Builder id(String id) {
-            this.id = Optional.ofNullable(id);
+        @java.lang.Override
+        @JsonSetter("id")
+        public TicketIdStage id(@NotNull String id) {
+            this.id = Objects.requireNonNull(id, "id must not be null");
             return this;
         }
 
         /**
          * <p>The ID of the Ticket used in the Intercom Inbox and Messenger. Do not use ticket_id for API queries.</p>
+         * <p>The ID of the Ticket used in the Intercom Inbox and Messenger. Do not use ticket_id for API queries.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "ticket_id", nulls = Nulls.SKIP)
-        public Builder ticketId(Optional<String> ticketId) {
-            this.ticketId = ticketId;
-            return this;
-        }
-
-        public Builder ticketId(String ticketId) {
-            this.ticketId = Optional.ofNullable(ticketId);
+        @java.lang.Override
+        @JsonSetter("ticket_id")
+        public CategoryStage ticketId(@NotNull String ticketId) {
+            this.ticketId = Objects.requireNonNull(ticketId, "ticketId must not be null");
             return this;
         }
 
         /**
          * <p>Category of the Ticket.</p>
+         * <p>Category of the Ticket.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "category", nulls = Nulls.SKIP)
-        public Builder category(Optional<Category> category) {
-            this.category = category;
+        @java.lang.Override
+        @JsonSetter("category")
+        public ContactsStage category(@NotNull Category category) {
+            this.category = Objects.requireNonNull(category, "category must not be null");
             return this;
         }
 
-        public Builder category(Category category) {
-            this.category = Optional.ofNullable(category);
+        @java.lang.Override
+        @JsonSetter("contacts")
+        public _FinalStage contacts(@NotNull TicketContacts contacts) {
+            this.contacts = Objects.requireNonNull(contacts, "contacts must not be null");
             return this;
         }
 
-        @JsonSetter(value = "ticket_attributes", nulls = Nulls.SKIP)
-        public Builder ticketAttributes(Optional<Map<String, Object>> ticketAttributes) {
-            this.ticketAttributes = ticketAttributes;
+        /**
+         * <p>Whether or not the ticket is shared with the customer.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
+         */
+        @java.lang.Override
+        public _FinalStage isShared(Boolean isShared) {
+            this.isShared = Optional.ofNullable(isShared);
             return this;
         }
 
-        public Builder ticketAttributes(Map<String, Object> ticketAttributes) {
-            this.ticketAttributes = Optional.ofNullable(ticketAttributes);
+        /**
+         * <p>Whether or not the ticket is shared with the customer.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "is_shared", nulls = Nulls.SKIP)
+        public _FinalStage isShared(Optional<Boolean> isShared) {
+            this.isShared = isShared;
             return this;
         }
 
-        @JsonSetter(value = "ticket_state", nulls = Nulls.SKIP)
-        public Builder ticketState(Optional<TicketState> ticketState) {
-            this.ticketState = ticketState;
+        @java.lang.Override
+        public _FinalStage ticketParts(TicketParts ticketParts) {
+            this.ticketParts = Optional.ofNullable(ticketParts);
             return this;
         }
 
-        public Builder ticketState(TicketState ticketState) {
-            this.ticketState = Optional.ofNullable(ticketState);
+        @java.lang.Override
+        @JsonSetter(value = "ticket_parts", nulls = Nulls.SKIP)
+        public _FinalStage ticketParts(Optional<TicketParts> ticketParts) {
+            this.ticketParts = ticketParts;
             return this;
         }
 
-        @JsonSetter(value = "ticket_type", nulls = Nulls.SKIP)
-        public Builder ticketType(Optional<TicketType> ticketType) {
-            this.ticketType = ticketType;
+        @java.lang.Override
+        public _FinalStage linkedObjects(LinkedObjectList linkedObjects) {
+            this.linkedObjects = Optional.ofNullable(linkedObjects);
             return this;
         }
 
-        public Builder ticketType(TicketType ticketType) {
-            this.ticketType = Optional.ofNullable(ticketType);
+        @java.lang.Override
+        @JsonSetter(value = "linked_objects", nulls = Nulls.SKIP)
+        public _FinalStage linkedObjects(Optional<LinkedObjectList> linkedObjects) {
+            this.linkedObjects = linkedObjects;
             return this;
         }
 
-        @JsonSetter(value = "contacts", nulls = Nulls.SKIP)
-        public Builder contacts(Optional<TicketContacts> contacts) {
-            this.contacts = contacts;
+        /**
+         * <p>The time the ticket will be snoozed until as a UTC Unix timestamp. If null, the ticket is not currently snoozed.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
+         */
+        @java.lang.Override
+        public _FinalStage snoozedUntil(Integer snoozedUntil) {
+            this.snoozedUntil = Optional.ofNullable(snoozedUntil);
             return this;
         }
 
-        public Builder contacts(TicketContacts contacts) {
-            this.contacts = Optional.ofNullable(contacts);
+        /**
+         * <p>The time the ticket will be snoozed until as a UTC Unix timestamp. If null, the ticket is not currently snoozed.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "snoozed_until", nulls = Nulls.SKIP)
+        public _FinalStage snoozedUntil(Optional<Integer> snoozedUntil) {
+            this.snoozedUntil = snoozedUntil;
             return this;
         }
 
         /**
-         * <p>The id representing the admin assigned to the ticket.</p>
+         * <p>Whether or not the ticket is open. If false, the ticket is closed.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "admin_assignee_id", nulls = Nulls.SKIP)
-        public Builder adminAssigneeId(Optional<String> adminAssigneeId) {
-            this.adminAssigneeId = adminAssigneeId;
+        @java.lang.Override
+        public _FinalStage open(Boolean open) {
+            this.open = Optional.ofNullable(open);
             return this;
         }
 
-        public Builder adminAssigneeId(String adminAssigneeId) {
-            this.adminAssigneeId = Optional.ofNullable(adminAssigneeId);
+        /**
+         * <p>Whether or not the ticket is open. If false, the ticket is closed.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "open", nulls = Nulls.SKIP)
+        public _FinalStage open(Optional<Boolean> open) {
+            this.open = open;
             return this;
         }
 
         /**
-         * <p>The id representing the team assigned to the ticket.</p>
+         * <p>The last time the ticket was updated as a UTC Unix timestamp.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "team_assignee_id", nulls = Nulls.SKIP)
-        public Builder teamAssigneeId(Optional<String> teamAssigneeId) {
-            this.teamAssigneeId = teamAssigneeId;
+        @java.lang.Override
+        public _FinalStage updatedAt(Integer updatedAt) {
+            this.updatedAt = Optional.ofNullable(updatedAt);
             return this;
         }
 
-        public Builder teamAssigneeId(String teamAssigneeId) {
-            this.teamAssigneeId = Optional.ofNullable(teamAssigneeId);
+        /**
+         * <p>The last time the ticket was updated as a UTC Unix timestamp.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "updated_at", nulls = Nulls.SKIP)
+        public _FinalStage updatedAt(Optional<Integer> updatedAt) {
+            this.updatedAt = updatedAt;
             return this;
         }
 
         /**
          * <p>The time the ticket was created as a UTC Unix timestamp.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "created_at", nulls = Nulls.SKIP)
-        public Builder createdAt(Optional<Integer> createdAt) {
-            this.createdAt = createdAt;
-            return this;
-        }
-
-        public Builder createdAt(Integer createdAt) {
+        @java.lang.Override
+        public _FinalStage createdAt(Integer createdAt) {
             this.createdAt = Optional.ofNullable(createdAt);
             return this;
         }
 
         /**
-         * <p>The last time the ticket was updated as a UTC Unix timestamp.</p>
+         * <p>The time the ticket was created as a UTC Unix timestamp.</p>
          */
-        @JsonSetter(value = "updated_at", nulls = Nulls.SKIP)
-        public Builder updatedAt(Optional<Integer> updatedAt) {
-            this.updatedAt = updatedAt;
+        @java.lang.Override
+        @JsonSetter(value = "created_at", nulls = Nulls.SKIP)
+        public _FinalStage createdAt(Optional<Integer> createdAt) {
+            this.createdAt = createdAt;
             return this;
         }
 
-        public Builder updatedAt(Integer updatedAt) {
-            this.updatedAt = Optional.ofNullable(updatedAt);
+        /**
+         * <p>The id representing the team assigned to the ticket.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
+         */
+        @java.lang.Override
+        public _FinalStage teamAssigneeId(String teamAssigneeId) {
+            this.teamAssigneeId = Optional.ofNullable(teamAssigneeId);
             return this;
         }
 
         /**
-         * <p>Whether or not the ticket is open. If false, the ticket is closed.</p>
+         * <p>The id representing the team assigned to the ticket.</p>
          */
-        @JsonSetter(value = "open", nulls = Nulls.SKIP)
-        public Builder open(Optional<Boolean> open) {
-            this.open = open;
+        @java.lang.Override
+        @JsonSetter(value = "team_assignee_id", nulls = Nulls.SKIP)
+        public _FinalStage teamAssigneeId(Optional<String> teamAssigneeId) {
+            this.teamAssigneeId = teamAssigneeId;
             return this;
         }
 
-        public Builder open(Boolean open) {
-            this.open = Optional.ofNullable(open);
+        /**
+         * <p>The id representing the admin assigned to the ticket.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
+         */
+        @java.lang.Override
+        public _FinalStage adminAssigneeId(String adminAssigneeId) {
+            this.adminAssigneeId = Optional.ofNullable(adminAssigneeId);
             return this;
         }
 
         /**
-         * <p>The time the ticket will be snoozed until as a UTC Unix timestamp. If null, the ticket is not currently snoozed.</p>
+         * <p>The id representing the admin assigned to the ticket.</p>
          */
-        @JsonSetter(value = "snoozed_until", nulls = Nulls.SKIP)
-        public Builder snoozedUntil(Optional<Integer> snoozedUntil) {
-            this.snoozedUntil = snoozedUntil;
+        @java.lang.Override
+        @JsonSetter(value = "admin_assignee_id", nulls = Nulls.SKIP)
+        public _FinalStage adminAssigneeId(Optional<String> adminAssigneeId) {
+            this.adminAssigneeId = adminAssigneeId;
             return this;
         }
 
-        public Builder snoozedUntil(Integer snoozedUntil) {
-            this.snoozedUntil = Optional.ofNullable(snoozedUntil);
+        @java.lang.Override
+        public _FinalStage ticketType(TicketType ticketType) {
+            this.ticketType = Optional.ofNullable(ticketType);
             return this;
         }
 
-        @JsonSetter(value = "linked_objects", nulls = Nulls.SKIP)
-        public Builder linkedObjects(Optional<LinkedObjectList> linkedObjects) {
-            this.linkedObjects = linkedObjects;
+        @java.lang.Override
+        @JsonSetter(value = "ticket_type", nulls = Nulls.SKIP)
+        public _FinalStage ticketType(Optional<TicketType> ticketType) {
+            this.ticketType = ticketType;
             return this;
         }
 
-        public Builder linkedObjects(LinkedObjectList linkedObjects) {
-            this.linkedObjects = Optional.ofNullable(linkedObjects);
+        @java.lang.Override
+        public _FinalStage ticketState(TicketState ticketState) {
+            this.ticketState = Optional.ofNullable(ticketState);
             return this;
         }
 
-        @JsonSetter(value = "ticket_parts", nulls = Nulls.SKIP)
-        public Builder ticketParts(Optional<TicketParts> ticketParts) {
-            this.ticketParts = ticketParts;
+        @java.lang.Override
+        @JsonSetter(value = "ticket_state", nulls = Nulls.SKIP)
+        public _FinalStage ticketState(Optional<TicketState> ticketState) {
+            this.ticketState = ticketState;
             return this;
         }
 
-        public Builder ticketParts(TicketParts ticketParts) {
-            this.ticketParts = Optional.ofNullable(ticketParts);
+        @java.lang.Override
+        public _FinalStage ticketAttributes(String key, Object value) {
+            this.ticketAttributes.put(key, value);
             return this;
         }
 
-        /**
-         * <p>Whether or not the ticket is shared with the customer.</p>
-         */
-        @JsonSetter(value = "is_shared", nulls = Nulls.SKIP)
-        public Builder isShared(Optional<Boolean> isShared) {
-            this.isShared = isShared;
+        @java.lang.Override
+        public _FinalStage putAllTicketAttributes(Map<String, Object> ticketAttributes) {
+            if (ticketAttributes != null) {
+                this.ticketAttributes.putAll(ticketAttributes);
+            }
             return this;
         }
 
-        public Builder isShared(Boolean isShared) {
-            this.isShared = Optional.ofNullable(isShared);
+        @java.lang.Override
+        @JsonSetter(value = "ticket_attributes", nulls = Nulls.SKIP)
+        public _FinalStage ticketAttributes(Map<String, Object> ticketAttributes) {
+            this.ticketAttributes.clear();
+            if (ticketAttributes != null) {
+                this.ticketAttributes.putAll(ticketAttributes);
+            }
             return this;
         }
 
+        @java.lang.Override
         public Ticket build() {
             return new Ticket(
-                    type,
                     id,
                     ticketId,
                     category,
diff --git a/src/main/java/com/intercom/api/types/Visitor.java b/src/main/java/com/intercom/api/types/Visitor.java
index 0a1a35b6..23005e41 100644
--- a/src/main/java/com/intercom/api/types/Visitor.java
+++ b/src/main/java/com/intercom/api/types/Visitor.java
@@ -18,15 +18,14 @@
 import java.util.Map;
 import java.util.Objects;
 import java.util.Optional;
+import org.jetbrains.annotations.NotNull;
 
 @JsonInclude(JsonInclude.Include.NON_ABSENT)
 @JsonDeserialize(builder = Visitor.Builder.class)
 public final class Visitor {
-    private final Optional<String> type;
+    private final String id;
 
-    private final Optional<String> id;
-
-    private final Optional<String> userId;
+    private final String userId;
 
     private final Optional<Boolean> anonymous;
 
@@ -91,9 +90,8 @@ public final class Visitor {
     private final Map<String, Object> additionalProperties;
 
     private Visitor(
-            Optional<String> type,
-            Optional<String> id,
-            Optional<String> userId,
+            String id,
+            String userId,
             Optional<Boolean> anonymous,
             Optional<String> email,
             Optional<String> phone,
@@ -125,7 +123,6 @@ private Visitor(
             Optional<String> utmTerm,
             Optional<Boolean> doNotTrack,
             Map<String, Object> additionalProperties) {
-        this.type = type;
         this.id = id;
         this.userId = userId;
         this.anonymous = anonymous;
@@ -165,15 +162,15 @@ private Visitor(
      * @return Value is 'visitor'
      */
     @JsonProperty("type")
-    public Optional<String> getType() {
-        return type;
+    public String getType() {
+        return "visitor";
     }
 
     /**
      * @return The Intercom defined id representing the Visitor.
      */
     @JsonProperty("id")
-    public Optional<String> getId() {
+    public String getId() {
         return id;
     }
 
@@ -181,7 +178,7 @@ public Optional<String> getId() {
      * @return Automatically generated identifier for the Visitor.
      */
     @JsonProperty("user_id")
-    public Optional<String> getUserId() {
+    public String getUserId() {
         return userId;
     }
 
@@ -419,8 +416,7 @@ public Map<String, Object> getAdditionalProperties() {
     }
 
     private boolean equalTo(Visitor other) {
-        return type.equals(other.type)
-                && id.equals(other.id)
+        return id.equals(other.id)
                 && userId.equals(other.userId)
                 && anonymous.equals(other.anonymous)
                 && email.equals(other.email)
@@ -457,7 +453,6 @@ private boolean equalTo(Visitor other) {
     @java.lang.Override
     public int hashCode() {
         return Objects.hash(
-                this.type,
                 this.id,
                 this.userId,
                 this.anonymous,
@@ -497,85 +492,295 @@ public String toString() {
         return ObjectMappers.stringify(this);
     }
 
-    public static Builder builder() {
+    public static IdStage builder() {
         return new Builder();
     }
 
-    @JsonIgnoreProperties(ignoreUnknown = true)
-    public static final class Builder {
-        private Optional<String> type = Optional.empty();
+    public interface IdStage {
+        /**
+         * <p>The Intercom defined id representing the Visitor.</p>
+         */
+        UserIdStage id(@NotNull String id);
 
-        private Optional<String> id = Optional.empty();
+        Builder from(Visitor other);
+    }
 
-        private Optional<String> userId = Optional.empty();
+    public interface UserIdStage {
+        /**
+         * <p>Automatically generated identifier for the Visitor.</p>
+         */
+        _FinalStage userId(@NotNull String userId);
+    }
 
-        private Optional<Boolean> anonymous = Optional.empty();
+    public interface _FinalStage {
+        Visitor build();
 
-        private Optional<String> email = Optional.empty();
+        /**
+         * <p>Identifies if this visitor is anonymous.</p>
+         */
+        _FinalStage anonymous(Optional<Boolean> anonymous);
 
-        private Optional<String> phone = Optional.empty();
+        _FinalStage anonymous(Boolean anonymous);
 
-        private Optional<String> name = Optional.empty();
+        /**
+         * <p>The email of the visitor.</p>
+         */
+        _FinalStage email(Optional<String> email);
 
-        private Optional<String> pseudonym = Optional.empty();
+        _FinalStage email(String email);
 
-        private Optional<Avatar> avatar = Optional.empty();
+        /**
+         * <p>The phone number of the visitor.</p>
+         */
+        _FinalStage phone(Optional<String> phone);
 
-        private Optional<String> appId = Optional.empty();
+        _FinalStage phone(String phone);
 
-        private Optional<Companies> companies = Optional.empty();
+        /**
+         * <p>The name of the visitor.</p>
+         */
+        _FinalStage name(Optional<String> name);
 
-        private Optional<LocationData> locationData = Optional.empty();
+        _FinalStage name(String name);
 
-        private Optional<Integer> lasRequestAt = Optional.empty();
+        /**
+         * <p>The pseudonym of the visitor.</p>
+         */
+        _FinalStage pseudonym(Optional<String> pseudonym);
 
-        private Optional<Integer> createdAt = Optional.empty();
+        _FinalStage pseudonym(String pseudonym);
 
-        private Optional<Integer> remoteCreatedAt = Optional.empty();
+        _FinalStage avatar(Optional<Avatar> avatar);
 
-        private Optional<Integer> signedUpAt = Optional.empty();
+        _FinalStage avatar(Avatar avatar);
 
-        private Optional<Integer> updatedAt = Optional.empty();
+        /**
+         * <p>The id of the app the visitor is associated with.</p>
+         */
+        _FinalStage appId(Optional<String> appId);
 
-        private Optional<Integer> sessionCount = Optional.empty();
+        _FinalStage appId(String appId);
 
-        private Optional<SocialProfiles> socialProfiles = Optional.empty();
+        _FinalStage companies(Optional<Companies> companies);
 
-        private Optional<String> ownerId = Optional.empty();
+        _FinalStage companies(Companies companies);
 
-        private Optional<Boolean> unsubscribedFromEmails = Optional.empty();
+        _FinalStage locationData(Optional<LocationData> locationData);
 
-        private Optional<Boolean> markedEmailAsSpam = Optional.empty();
+        _FinalStage locationData(LocationData locationData);
 
-        private Optional<Boolean> hasHardBounced = Optional.empty();
+        /**
+         * <p>The time the Lead last recorded making a request.</p>
+         */
+        _FinalStage lasRequestAt(Optional<Integer> lasRequestAt);
 
-        private Optional<Tags> tags = Optional.empty();
+        _FinalStage lasRequestAt(Integer lasRequestAt);
 
-        private Optional<Segments> segments = Optional.empty();
+        /**
+         * <p>The time the Visitor was added to Intercom.</p>
+         */
+        _FinalStage createdAt(Optional<Integer> createdAt);
 
-        private Optional<Map<String, Object>> customAttributes = Optional.empty();
+        _FinalStage createdAt(Integer createdAt);
 
-        private Optional<String> referrer = Optional.empty();
+        /**
+         * <p>The time the Visitor was added to Intercom.</p>
+         */
+        _FinalStage remoteCreatedAt(Optional<Integer> remoteCreatedAt);
 
-        private Optional<String> utmCampaign = Optional.empty();
+        _FinalStage remoteCreatedAt(Integer remoteCreatedAt);
 
-        private Optional<String> utmContent = Optional.empty();
+        /**
+         * <p>The time the Visitor signed up for your product.</p>
+         */
+        _FinalStage signedUpAt(Optional<Integer> signedUpAt);
 
-        private Optional<String> utmMedium = Optional.empty();
+        _FinalStage signedUpAt(Integer signedUpAt);
 
-        private Optional<String> utmSource = Optional.empty();
+        /**
+         * <p>The last time the Visitor was updated.</p>
+         */
+        _FinalStage updatedAt(Optional<Integer> updatedAt);
 
-        private Optional<String> utmTerm = Optional.empty();
+        _FinalStage updatedAt(Integer updatedAt);
+
+        /**
+         * <p>The number of sessions the Visitor has had.</p>
+         */
+        _FinalStage sessionCount(Optional<Integer> sessionCount);
+
+        _FinalStage sessionCount(Integer sessionCount);
+
+        _FinalStage socialProfiles(Optional<SocialProfiles> socialProfiles);
+
+        _FinalStage socialProfiles(SocialProfiles socialProfiles);
+
+        /**
+         * <p>The id of the admin that owns the Visitor.</p>
+         */
+        _FinalStage ownerId(Optional<String> ownerId);
+
+        _FinalStage ownerId(String ownerId);
+
+        /**
+         * <p>Whether the Visitor is unsubscribed from emails.</p>
+         */
+        _FinalStage unsubscribedFromEmails(Optional<Boolean> unsubscribedFromEmails);
+
+        _FinalStage unsubscribedFromEmails(Boolean unsubscribedFromEmails);
+
+        /**
+         * <p>Identifies if this visitor has marked an email as spam.</p>
+         */
+        _FinalStage markedEmailAsSpam(Optional<Boolean> markedEmailAsSpam);
+
+        _FinalStage markedEmailAsSpam(Boolean markedEmailAsSpam);
+
+        /**
+         * <p>Identifies if this visitor has had a hard bounce.</p>
+         */
+        _FinalStage hasHardBounced(Optional<Boolean> hasHardBounced);
+
+        _FinalStage hasHardBounced(Boolean hasHardBounced);
+
+        _FinalStage tags(Optional<Tags> tags);
+
+        _FinalStage tags(Tags tags);
+
+        _FinalStage segments(Optional<Segments> segments);
+
+        _FinalStage segments(Segments segments);
+
+        /**
+         * <p>The custom attributes you have set on the Visitor.</p>
+         */
+        _FinalStage customAttributes(Optional<Map<String, Object>> customAttributes);
+
+        _FinalStage customAttributes(Map<String, Object> customAttributes);
+
+        /**
+         * <p>The referer of the visitor.</p>
+         */
+        _FinalStage referrer(Optional<String> referrer);
+
+        _FinalStage referrer(String referrer);
+
+        /**
+         * <p>The utm_campaign of the visitor.</p>
+         */
+        _FinalStage utmCampaign(Optional<String> utmCampaign);
+
+        _FinalStage utmCampaign(String utmCampaign);
+
+        /**
+         * <p>The utm_content of the visitor.</p>
+         */
+        _FinalStage utmContent(Optional<String> utmContent);
+
+        _FinalStage utmContent(String utmContent);
+
+        /**
+         * <p>The utm_medium of the visitor.</p>
+         */
+        _FinalStage utmMedium(Optional<String> utmMedium);
+
+        _FinalStage utmMedium(String utmMedium);
+
+        /**
+         * <p>The utm_source of the visitor.</p>
+         */
+        _FinalStage utmSource(Optional<String> utmSource);
+
+        _FinalStage utmSource(String utmSource);
+
+        /**
+         * <p>The utm_term of the visitor.</p>
+         */
+        _FinalStage utmTerm(Optional<String> utmTerm);
+
+        _FinalStage utmTerm(String utmTerm);
+
+        /**
+         * <p>Identifies if this visitor has do not track enabled.</p>
+         */
+        _FinalStage doNotTrack(Optional<Boolean> doNotTrack);
+
+        _FinalStage doNotTrack(Boolean doNotTrack);
+    }
+
+    @JsonIgnoreProperties(ignoreUnknown = true)
+    public static final class Builder implements IdStage, UserIdStage, _FinalStage {
+        private String id;
+
+        private String userId;
 
         private Optional<Boolean> doNotTrack = Optional.empty();
 
+        private Optional<String> utmTerm = Optional.empty();
+
+        private Optional<String> utmSource = Optional.empty();
+
+        private Optional<String> utmMedium = Optional.empty();
+
+        private Optional<String> utmContent = Optional.empty();
+
+        private Optional<String> utmCampaign = Optional.empty();
+
+        private Optional<String> referrer = Optional.empty();
+
+        private Optional<Map<String, Object>> customAttributes = Optional.empty();
+
+        private Optional<Segments> segments = Optional.empty();
+
+        private Optional<Tags> tags = Optional.empty();
+
+        private Optional<Boolean> hasHardBounced = Optional.empty();
+
+        private Optional<Boolean> markedEmailAsSpam = Optional.empty();
+
+        private Optional<Boolean> unsubscribedFromEmails = Optional.empty();
+
+        private Optional<String> ownerId = Optional.empty();
+
+        private Optional<SocialProfiles> socialProfiles = Optional.empty();
+
+        private Optional<Integer> sessionCount = Optional.empty();
+
+        private Optional<Integer> updatedAt = Optional.empty();
+
+        private Optional<Integer> signedUpAt = Optional.empty();
+
+        private Optional<Integer> remoteCreatedAt = Optional.empty();
+
+        private Optional<Integer> createdAt = Optional.empty();
+
+        private Optional<Integer> lasRequestAt = Optional.empty();
+
+        private Optional<LocationData> locationData = Optional.empty();
+
+        private Optional<Companies> companies = Optional.empty();
+
+        private Optional<String> appId = Optional.empty();
+
+        private Optional<Avatar> avatar = Optional.empty();
+
+        private Optional<String> pseudonym = Optional.empty();
+
+        private Optional<String> name = Optional.empty();
+
+        private Optional<String> phone = Optional.empty();
+
+        private Optional<String> email = Optional.empty();
+
+        private Optional<Boolean> anonymous = Optional.empty();
+
         @JsonAnySetter
         private Map<String, Object> additionalProperties = new HashMap<>();
 
         private Builder() {}
 
+        @java.lang.Override
         public Builder from(Visitor other) {
-            type(other.getType());
             id(other.getId());
             userId(other.getUserId());
             anonymous(other.getAnonymous());
@@ -612,452 +817,590 @@ public Builder from(Visitor other) {
         }
 
         /**
-         * <p>Value is 'visitor'</p>
+         * <p>The Intercom defined id representing the Visitor.</p>
+         * <p>The Intercom defined id representing the Visitor.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "type", nulls = Nulls.SKIP)
-        public Builder type(Optional<String> type) {
-            this.type = type;
+        @java.lang.Override
+        @JsonSetter("id")
+        public UserIdStage id(@NotNull String id) {
+            this.id = Objects.requireNonNull(id, "id must not be null");
             return this;
         }
 
-        public Builder type(String type) {
-            this.type = Optional.ofNullable(type);
+        /**
+         * <p>Automatically generated identifier for the Visitor.</p>
+         * <p>Automatically generated identifier for the Visitor.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
+         */
+        @java.lang.Override
+        @JsonSetter("user_id")
+        public _FinalStage userId(@NotNull String userId) {
+            this.userId = Objects.requireNonNull(userId, "userId must not be null");
             return this;
         }
 
         /**
-         * <p>The Intercom defined id representing the Visitor.</p>
+         * <p>Identifies if this visitor has do not track enabled.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "id", nulls = Nulls.SKIP)
-        public Builder id(Optional<String> id) {
-            this.id = id;
+        @java.lang.Override
+        public _FinalStage doNotTrack(Boolean doNotTrack) {
+            this.doNotTrack = Optional.ofNullable(doNotTrack);
             return this;
         }
 
-        public Builder id(String id) {
-            this.id = Optional.ofNullable(id);
+        /**
+         * <p>Identifies if this visitor has do not track enabled.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "do_not_track", nulls = Nulls.SKIP)
+        public _FinalStage doNotTrack(Optional<Boolean> doNotTrack) {
+            this.doNotTrack = doNotTrack;
             return this;
         }
 
         /**
-         * <p>Automatically generated identifier for the Visitor.</p>
+         * <p>The utm_term of the visitor.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "user_id", nulls = Nulls.SKIP)
-        public Builder userId(Optional<String> userId) {
-            this.userId = userId;
+        @java.lang.Override
+        public _FinalStage utmTerm(String utmTerm) {
+            this.utmTerm = Optional.ofNullable(utmTerm);
             return this;
         }
 
-        public Builder userId(String userId) {
-            this.userId = Optional.ofNullable(userId);
+        /**
+         * <p>The utm_term of the visitor.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "utm_term", nulls = Nulls.SKIP)
+        public _FinalStage utmTerm(Optional<String> utmTerm) {
+            this.utmTerm = utmTerm;
             return this;
         }
 
         /**
-         * <p>Identifies if this visitor is anonymous.</p>
+         * <p>The utm_source of the visitor.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "anonymous", nulls = Nulls.SKIP)
-        public Builder anonymous(Optional<Boolean> anonymous) {
-            this.anonymous = anonymous;
+        @java.lang.Override
+        public _FinalStage utmSource(String utmSource) {
+            this.utmSource = Optional.ofNullable(utmSource);
             return this;
         }
 
-        public Builder anonymous(Boolean anonymous) {
-            this.anonymous = Optional.ofNullable(anonymous);
+        /**
+         * <p>The utm_source of the visitor.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "utm_source", nulls = Nulls.SKIP)
+        public _FinalStage utmSource(Optional<String> utmSource) {
+            this.utmSource = utmSource;
             return this;
         }
 
         /**
-         * <p>The email of the visitor.</p>
+         * <p>The utm_medium of the visitor.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "email", nulls = Nulls.SKIP)
-        public Builder email(Optional<String> email) {
-            this.email = email;
-            return this;
-        }
-
-        public Builder email(String email) {
-            this.email = Optional.ofNullable(email);
+        @java.lang.Override
+        public _FinalStage utmMedium(String utmMedium) {
+            this.utmMedium = Optional.ofNullable(utmMedium);
             return this;
         }
 
         /**
-         * <p>The phone number of the visitor.</p>
+         * <p>The utm_medium of the visitor.</p>
          */
-        @JsonSetter(value = "phone", nulls = Nulls.SKIP)
-        public Builder phone(Optional<String> phone) {
-            this.phone = phone;
+        @java.lang.Override
+        @JsonSetter(value = "utm_medium", nulls = Nulls.SKIP)
+        public _FinalStage utmMedium(Optional<String> utmMedium) {
+            this.utmMedium = utmMedium;
             return this;
         }
 
-        public Builder phone(String phone) {
-            this.phone = Optional.ofNullable(phone);
+        /**
+         * <p>The utm_content of the visitor.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
+         */
+        @java.lang.Override
+        public _FinalStage utmContent(String utmContent) {
+            this.utmContent = Optional.ofNullable(utmContent);
             return this;
         }
 
         /**
-         * <p>The name of the visitor.</p>
+         * <p>The utm_content of the visitor.</p>
          */
-        @JsonSetter(value = "name", nulls = Nulls.SKIP)
-        public Builder name(Optional<String> name) {
-            this.name = name;
+        @java.lang.Override
+        @JsonSetter(value = "utm_content", nulls = Nulls.SKIP)
+        public _FinalStage utmContent(Optional<String> utmContent) {
+            this.utmContent = utmContent;
             return this;
         }
 
-        public Builder name(String name) {
-            this.name = Optional.ofNullable(name);
+        /**
+         * <p>The utm_campaign of the visitor.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
+         */
+        @java.lang.Override
+        public _FinalStage utmCampaign(String utmCampaign) {
+            this.utmCampaign = Optional.ofNullable(utmCampaign);
             return this;
         }
 
         /**
-         * <p>The pseudonym of the visitor.</p>
+         * <p>The utm_campaign of the visitor.</p>
          */
-        @JsonSetter(value = "pseudonym", nulls = Nulls.SKIP)
-        public Builder pseudonym(Optional<String> pseudonym) {
-            this.pseudonym = pseudonym;
+        @java.lang.Override
+        @JsonSetter(value = "utm_campaign", nulls = Nulls.SKIP)
+        public _FinalStage utmCampaign(Optional<String> utmCampaign) {
+            this.utmCampaign = utmCampaign;
             return this;
         }
 
-        public Builder pseudonym(String pseudonym) {
-            this.pseudonym = Optional.ofNullable(pseudonym);
+        /**
+         * <p>The referer of the visitor.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
+         */
+        @java.lang.Override
+        public _FinalStage referrer(String referrer) {
+            this.referrer = Optional.ofNullable(referrer);
             return this;
         }
 
-        @JsonSetter(value = "avatar", nulls = Nulls.SKIP)
-        public Builder avatar(Optional<Avatar> avatar) {
-            this.avatar = avatar;
+        /**
+         * <p>The referer of the visitor.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "referrer", nulls = Nulls.SKIP)
+        public _FinalStage referrer(Optional<String> referrer) {
+            this.referrer = referrer;
             return this;
         }
 
-        public Builder avatar(Avatar avatar) {
-            this.avatar = Optional.ofNullable(avatar);
+        /**
+         * <p>The custom attributes you have set on the Visitor.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
+         */
+        @java.lang.Override
+        public _FinalStage customAttributes(Map<String, Object> customAttributes) {
+            this.customAttributes = Optional.ofNullable(customAttributes);
             return this;
         }
 
         /**
-         * <p>The id of the app the visitor is associated with.</p>
+         * <p>The custom attributes you have set on the Visitor.</p>
          */
-        @JsonSetter(value = "app_id", nulls = Nulls.SKIP)
-        public Builder appId(Optional<String> appId) {
-            this.appId = appId;
+        @java.lang.Override
+        @JsonSetter(value = "custom_attributes", nulls = Nulls.SKIP)
+        public _FinalStage customAttributes(Optional<Map<String, Object>> customAttributes) {
+            this.customAttributes = customAttributes;
             return this;
         }
 
-        public Builder appId(String appId) {
-            this.appId = Optional.ofNullable(appId);
+        @java.lang.Override
+        public _FinalStage segments(Segments segments) {
+            this.segments = Optional.ofNullable(segments);
             return this;
         }
 
-        @JsonSetter(value = "companies", nulls = Nulls.SKIP)
-        public Builder companies(Optional<Companies> companies) {
-            this.companies = companies;
+        @java.lang.Override
+        @JsonSetter(value = "segments", nulls = Nulls.SKIP)
+        public _FinalStage segments(Optional<Segments> segments) {
+            this.segments = segments;
             return this;
         }
 
-        public Builder companies(Companies companies) {
-            this.companies = Optional.ofNullable(companies);
+        @java.lang.Override
+        public _FinalStage tags(Tags tags) {
+            this.tags = Optional.ofNullable(tags);
             return this;
         }
 
-        @JsonSetter(value = "location_data", nulls = Nulls.SKIP)
-        public Builder locationData(Optional<LocationData> locationData) {
-            this.locationData = locationData;
+        @java.lang.Override
+        @JsonSetter(value = "tags", nulls = Nulls.SKIP)
+        public _FinalStage tags(Optional<Tags> tags) {
+            this.tags = tags;
             return this;
         }
 
-        public Builder locationData(LocationData locationData) {
-            this.locationData = Optional.ofNullable(locationData);
+        /**
+         * <p>Identifies if this visitor has had a hard bounce.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
+         */
+        @java.lang.Override
+        public _FinalStage hasHardBounced(Boolean hasHardBounced) {
+            this.hasHardBounced = Optional.ofNullable(hasHardBounced);
             return this;
         }
 
         /**
-         * <p>The time the Lead last recorded making a request.</p>
+         * <p>Identifies if this visitor has had a hard bounce.</p>
          */
-        @JsonSetter(value = "las_request_at", nulls = Nulls.SKIP)
-        public Builder lasRequestAt(Optional<Integer> lasRequestAt) {
-            this.lasRequestAt = lasRequestAt;
+        @java.lang.Override
+        @JsonSetter(value = "has_hard_bounced", nulls = Nulls.SKIP)
+        public _FinalStage hasHardBounced(Optional<Boolean> hasHardBounced) {
+            this.hasHardBounced = hasHardBounced;
             return this;
         }
 
-        public Builder lasRequestAt(Integer lasRequestAt) {
-            this.lasRequestAt = Optional.ofNullable(lasRequestAt);
+        /**
+         * <p>Identifies if this visitor has marked an email as spam.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
+         */
+        @java.lang.Override
+        public _FinalStage markedEmailAsSpam(Boolean markedEmailAsSpam) {
+            this.markedEmailAsSpam = Optional.ofNullable(markedEmailAsSpam);
             return this;
         }
 
         /**
-         * <p>The time the Visitor was added to Intercom.</p>
+         * <p>Identifies if this visitor has marked an email as spam.</p>
          */
-        @JsonSetter(value = "created_at", nulls = Nulls.SKIP)
-        public Builder createdAt(Optional<Integer> createdAt) {
-            this.createdAt = createdAt;
+        @java.lang.Override
+        @JsonSetter(value = "marked_email_as_spam", nulls = Nulls.SKIP)
+        public _FinalStage markedEmailAsSpam(Optional<Boolean> markedEmailAsSpam) {
+            this.markedEmailAsSpam = markedEmailAsSpam;
             return this;
         }
 
-        public Builder createdAt(Integer createdAt) {
-            this.createdAt = Optional.ofNullable(createdAt);
+        /**
+         * <p>Whether the Visitor is unsubscribed from emails.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
+         */
+        @java.lang.Override
+        public _FinalStage unsubscribedFromEmails(Boolean unsubscribedFromEmails) {
+            this.unsubscribedFromEmails = Optional.ofNullable(unsubscribedFromEmails);
             return this;
         }
 
         /**
-         * <p>The time the Visitor was added to Intercom.</p>
+         * <p>Whether the Visitor is unsubscribed from emails.</p>
          */
-        @JsonSetter(value = "remote_created_at", nulls = Nulls.SKIP)
-        public Builder remoteCreatedAt(Optional<Integer> remoteCreatedAt) {
-            this.remoteCreatedAt = remoteCreatedAt;
+        @java.lang.Override
+        @JsonSetter(value = "unsubscribed_from_emails", nulls = Nulls.SKIP)
+        public _FinalStage unsubscribedFromEmails(Optional<Boolean> unsubscribedFromEmails) {
+            this.unsubscribedFromEmails = unsubscribedFromEmails;
             return this;
         }
 
-        public Builder remoteCreatedAt(Integer remoteCreatedAt) {
-            this.remoteCreatedAt = Optional.ofNullable(remoteCreatedAt);
+        /**
+         * <p>The id of the admin that owns the Visitor.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
+         */
+        @java.lang.Override
+        public _FinalStage ownerId(String ownerId) {
+            this.ownerId = Optional.ofNullable(ownerId);
             return this;
         }
 
         /**
-         * <p>The time the Visitor signed up for your product.</p>
+         * <p>The id of the admin that owns the Visitor.</p>
          */
-        @JsonSetter(value = "signed_up_at", nulls = Nulls.SKIP)
-        public Builder signedUpAt(Optional<Integer> signedUpAt) {
-            this.signedUpAt = signedUpAt;
+        @java.lang.Override
+        @JsonSetter(value = "owner_id", nulls = Nulls.SKIP)
+        public _FinalStage ownerId(Optional<String> ownerId) {
+            this.ownerId = ownerId;
             return this;
         }
 
-        public Builder signedUpAt(Integer signedUpAt) {
-            this.signedUpAt = Optional.ofNullable(signedUpAt);
+        @java.lang.Override
+        public _FinalStage socialProfiles(SocialProfiles socialProfiles) {
+            this.socialProfiles = Optional.ofNullable(socialProfiles);
             return this;
         }
 
-        /**
-         * <p>The last time the Visitor was updated.</p>
-         */
-        @JsonSetter(value = "updated_at", nulls = Nulls.SKIP)
-        public Builder updatedAt(Optional<Integer> updatedAt) {
-            this.updatedAt = updatedAt;
+        @java.lang.Override
+        @JsonSetter(value = "social_profiles", nulls = Nulls.SKIP)
+        public _FinalStage socialProfiles(Optional<SocialProfiles> socialProfiles) {
+            this.socialProfiles = socialProfiles;
             return this;
         }
 
-        public Builder updatedAt(Integer updatedAt) {
-            this.updatedAt = Optional.ofNullable(updatedAt);
+        /**
+         * <p>The number of sessions the Visitor has had.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
+         */
+        @java.lang.Override
+        public _FinalStage sessionCount(Integer sessionCount) {
+            this.sessionCount = Optional.ofNullable(sessionCount);
             return this;
         }
 
         /**
          * <p>The number of sessions the Visitor has had.</p>
          */
+        @java.lang.Override
         @JsonSetter(value = "session_count", nulls = Nulls.SKIP)
-        public Builder sessionCount(Optional<Integer> sessionCount) {
+        public _FinalStage sessionCount(Optional<Integer> sessionCount) {
             this.sessionCount = sessionCount;
             return this;
         }
 
-        public Builder sessionCount(Integer sessionCount) {
-            this.sessionCount = Optional.ofNullable(sessionCount);
-            return this;
-        }
-
-        @JsonSetter(value = "social_profiles", nulls = Nulls.SKIP)
-        public Builder socialProfiles(Optional<SocialProfiles> socialProfiles) {
-            this.socialProfiles = socialProfiles;
+        /**
+         * <p>The last time the Visitor was updated.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
+         */
+        @java.lang.Override
+        public _FinalStage updatedAt(Integer updatedAt) {
+            this.updatedAt = Optional.ofNullable(updatedAt);
             return this;
         }
 
-        public Builder socialProfiles(SocialProfiles socialProfiles) {
-            this.socialProfiles = Optional.ofNullable(socialProfiles);
+        /**
+         * <p>The last time the Visitor was updated.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "updated_at", nulls = Nulls.SKIP)
+        public _FinalStage updatedAt(Optional<Integer> updatedAt) {
+            this.updatedAt = updatedAt;
             return this;
         }
 
         /**
-         * <p>The id of the admin that owns the Visitor.</p>
+         * <p>The time the Visitor signed up for your product.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "owner_id", nulls = Nulls.SKIP)
-        public Builder ownerId(Optional<String> ownerId) {
-            this.ownerId = ownerId;
+        @java.lang.Override
+        public _FinalStage signedUpAt(Integer signedUpAt) {
+            this.signedUpAt = Optional.ofNullable(signedUpAt);
             return this;
         }
 
-        public Builder ownerId(String ownerId) {
-            this.ownerId = Optional.ofNullable(ownerId);
+        /**
+         * <p>The time the Visitor signed up for your product.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "signed_up_at", nulls = Nulls.SKIP)
+        public _FinalStage signedUpAt(Optional<Integer> signedUpAt) {
+            this.signedUpAt = signedUpAt;
             return this;
         }
 
         /**
-         * <p>Whether the Visitor is unsubscribed from emails.</p>
+         * <p>The time the Visitor was added to Intercom.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "unsubscribed_from_emails", nulls = Nulls.SKIP)
-        public Builder unsubscribedFromEmails(Optional<Boolean> unsubscribedFromEmails) {
-            this.unsubscribedFromEmails = unsubscribedFromEmails;
+        @java.lang.Override
+        public _FinalStage remoteCreatedAt(Integer remoteCreatedAt) {
+            this.remoteCreatedAt = Optional.ofNullable(remoteCreatedAt);
             return this;
         }
 
-        public Builder unsubscribedFromEmails(Boolean unsubscribedFromEmails) {
-            this.unsubscribedFromEmails = Optional.ofNullable(unsubscribedFromEmails);
+        /**
+         * <p>The time the Visitor was added to Intercom.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "remote_created_at", nulls = Nulls.SKIP)
+        public _FinalStage remoteCreatedAt(Optional<Integer> remoteCreatedAt) {
+            this.remoteCreatedAt = remoteCreatedAt;
             return this;
         }
 
         /**
-         * <p>Identifies if this visitor has marked an email as spam.</p>
+         * <p>The time the Visitor was added to Intercom.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "marked_email_as_spam", nulls = Nulls.SKIP)
-        public Builder markedEmailAsSpam(Optional<Boolean> markedEmailAsSpam) {
-            this.markedEmailAsSpam = markedEmailAsSpam;
+        @java.lang.Override
+        public _FinalStage createdAt(Integer createdAt) {
+            this.createdAt = Optional.ofNullable(createdAt);
             return this;
         }
 
-        public Builder markedEmailAsSpam(Boolean markedEmailAsSpam) {
-            this.markedEmailAsSpam = Optional.ofNullable(markedEmailAsSpam);
+        /**
+         * <p>The time the Visitor was added to Intercom.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "created_at", nulls = Nulls.SKIP)
+        public _FinalStage createdAt(Optional<Integer> createdAt) {
+            this.createdAt = createdAt;
             return this;
         }
 
         /**
-         * <p>Identifies if this visitor has had a hard bounce.</p>
+         * <p>The time the Lead last recorded making a request.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "has_hard_bounced", nulls = Nulls.SKIP)
-        public Builder hasHardBounced(Optional<Boolean> hasHardBounced) {
-            this.hasHardBounced = hasHardBounced;
+        @java.lang.Override
+        public _FinalStage lasRequestAt(Integer lasRequestAt) {
+            this.lasRequestAt = Optional.ofNullable(lasRequestAt);
             return this;
         }
 
-        public Builder hasHardBounced(Boolean hasHardBounced) {
-            this.hasHardBounced = Optional.ofNullable(hasHardBounced);
+        /**
+         * <p>The time the Lead last recorded making a request.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "las_request_at", nulls = Nulls.SKIP)
+        public _FinalStage lasRequestAt(Optional<Integer> lasRequestAt) {
+            this.lasRequestAt = lasRequestAt;
             return this;
         }
 
-        @JsonSetter(value = "tags", nulls = Nulls.SKIP)
-        public Builder tags(Optional<Tags> tags) {
-            this.tags = tags;
+        @java.lang.Override
+        public _FinalStage locationData(LocationData locationData) {
+            this.locationData = Optional.ofNullable(locationData);
             return this;
         }
 
-        public Builder tags(Tags tags) {
-            this.tags = Optional.ofNullable(tags);
+        @java.lang.Override
+        @JsonSetter(value = "location_data", nulls = Nulls.SKIP)
+        public _FinalStage locationData(Optional<LocationData> locationData) {
+            this.locationData = locationData;
             return this;
         }
 
-        @JsonSetter(value = "segments", nulls = Nulls.SKIP)
-        public Builder segments(Optional<Segments> segments) {
-            this.segments = segments;
+        @java.lang.Override
+        public _FinalStage companies(Companies companies) {
+            this.companies = Optional.ofNullable(companies);
             return this;
         }
 
-        public Builder segments(Segments segments) {
-            this.segments = Optional.ofNullable(segments);
+        @java.lang.Override
+        @JsonSetter(value = "companies", nulls = Nulls.SKIP)
+        public _FinalStage companies(Optional<Companies> companies) {
+            this.companies = companies;
             return this;
         }
 
         /**
-         * <p>The custom attributes you have set on the Visitor.</p>
+         * <p>The id of the app the visitor is associated with.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "custom_attributes", nulls = Nulls.SKIP)
-        public Builder customAttributes(Optional<Map<String, Object>> customAttributes) {
-            this.customAttributes = customAttributes;
-            return this;
-        }
-
-        public Builder customAttributes(Map<String, Object> customAttributes) {
-            this.customAttributes = Optional.ofNullable(customAttributes);
+        @java.lang.Override
+        public _FinalStage appId(String appId) {
+            this.appId = Optional.ofNullable(appId);
             return this;
         }
 
         /**
-         * <p>The referer of the visitor.</p>
+         * <p>The id of the app the visitor is associated with.</p>
          */
-        @JsonSetter(value = "referrer", nulls = Nulls.SKIP)
-        public Builder referrer(Optional<String> referrer) {
-            this.referrer = referrer;
-            return this;
-        }
-
-        public Builder referrer(String referrer) {
-            this.referrer = Optional.ofNullable(referrer);
+        @java.lang.Override
+        @JsonSetter(value = "app_id", nulls = Nulls.SKIP)
+        public _FinalStage appId(Optional<String> appId) {
+            this.appId = appId;
             return this;
         }
 
-        /**
-         * <p>The utm_campaign of the visitor.</p>
-         */
-        @JsonSetter(value = "utm_campaign", nulls = Nulls.SKIP)
-        public Builder utmCampaign(Optional<String> utmCampaign) {
-            this.utmCampaign = utmCampaign;
+        @java.lang.Override
+        public _FinalStage avatar(Avatar avatar) {
+            this.avatar = Optional.ofNullable(avatar);
             return this;
         }
 
-        public Builder utmCampaign(String utmCampaign) {
-            this.utmCampaign = Optional.ofNullable(utmCampaign);
+        @java.lang.Override
+        @JsonSetter(value = "avatar", nulls = Nulls.SKIP)
+        public _FinalStage avatar(Optional<Avatar> avatar) {
+            this.avatar = avatar;
             return this;
         }
 
         /**
-         * <p>The utm_content of the visitor.</p>
+         * <p>The pseudonym of the visitor.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "utm_content", nulls = Nulls.SKIP)
-        public Builder utmContent(Optional<String> utmContent) {
-            this.utmContent = utmContent;
+        @java.lang.Override
+        public _FinalStage pseudonym(String pseudonym) {
+            this.pseudonym = Optional.ofNullable(pseudonym);
             return this;
         }
 
-        public Builder utmContent(String utmContent) {
-            this.utmContent = Optional.ofNullable(utmContent);
+        /**
+         * <p>The pseudonym of the visitor.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "pseudonym", nulls = Nulls.SKIP)
+        public _FinalStage pseudonym(Optional<String> pseudonym) {
+            this.pseudonym = pseudonym;
             return this;
         }
 
         /**
-         * <p>The utm_medium of the visitor.</p>
+         * <p>The name of the visitor.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "utm_medium", nulls = Nulls.SKIP)
-        public Builder utmMedium(Optional<String> utmMedium) {
-            this.utmMedium = utmMedium;
+        @java.lang.Override
+        public _FinalStage name(String name) {
+            this.name = Optional.ofNullable(name);
             return this;
         }
 
-        public Builder utmMedium(String utmMedium) {
-            this.utmMedium = Optional.ofNullable(utmMedium);
+        /**
+         * <p>The name of the visitor.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "name", nulls = Nulls.SKIP)
+        public _FinalStage name(Optional<String> name) {
+            this.name = name;
             return this;
         }
 
         /**
-         * <p>The utm_source of the visitor.</p>
+         * <p>The phone number of the visitor.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "utm_source", nulls = Nulls.SKIP)
-        public Builder utmSource(Optional<String> utmSource) {
-            this.utmSource = utmSource;
+        @java.lang.Override
+        public _FinalStage phone(String phone) {
+            this.phone = Optional.ofNullable(phone);
             return this;
         }
 
-        public Builder utmSource(String utmSource) {
-            this.utmSource = Optional.ofNullable(utmSource);
+        /**
+         * <p>The phone number of the visitor.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "phone", nulls = Nulls.SKIP)
+        public _FinalStage phone(Optional<String> phone) {
+            this.phone = phone;
             return this;
         }
 
         /**
-         * <p>The utm_term of the visitor.</p>
+         * <p>The email of the visitor.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "utm_term", nulls = Nulls.SKIP)
-        public Builder utmTerm(Optional<String> utmTerm) {
-            this.utmTerm = utmTerm;
+        @java.lang.Override
+        public _FinalStage email(String email) {
+            this.email = Optional.ofNullable(email);
             return this;
         }
 
-        public Builder utmTerm(String utmTerm) {
-            this.utmTerm = Optional.ofNullable(utmTerm);
+        /**
+         * <p>The email of the visitor.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "email", nulls = Nulls.SKIP)
+        public _FinalStage email(Optional<String> email) {
+            this.email = email;
             return this;
         }
 
         /**
-         * <p>Identifies if this visitor has do not track enabled.</p>
+         * <p>Identifies if this visitor is anonymous.</p>
+         * @return Reference to {@code this} so that method calls can be chained together.
          */
-        @JsonSetter(value = "do_not_track", nulls = Nulls.SKIP)
-        public Builder doNotTrack(Optional<Boolean> doNotTrack) {
-            this.doNotTrack = doNotTrack;
+        @java.lang.Override
+        public _FinalStage anonymous(Boolean anonymous) {
+            this.anonymous = Optional.ofNullable(anonymous);
             return this;
         }
 
-        public Builder doNotTrack(Boolean doNotTrack) {
-            this.doNotTrack = Optional.ofNullable(doNotTrack);
+        /**
+         * <p>Identifies if this visitor is anonymous.</p>
+         */
+        @java.lang.Override
+        @JsonSetter(value = "anonymous", nulls = Nulls.SKIP)
+        public _FinalStage anonymous(Optional<Boolean> anonymous) {
+            this.anonymous = anonymous;
             return this;
         }
 
+        @java.lang.Override
         public Visitor build() {
             return new Visitor(
-                    type,
                     id,
                     userId,
                     anonymous,
diff --git a/src/test/java/com/intercom/api/integration/CompaniesTest.java b/src/test/java/com/intercom/api/integration/CompaniesTest.java
index 29226125..4957502c 100644
--- a/src/test/java/com/intercom/api/integration/CompaniesTest.java
+++ b/src/test/java/com/intercom/api/integration/CompaniesTest.java
@@ -42,11 +42,7 @@ public void before() {
                 client.contacts().list(ListContactsRequest.builder().perPage(1).build());
 
         // act
-        contactId = randomContacts
-                .getItems()
-                .get(0)
-                .getId()
-                .orElseThrow(() -> new RuntimeException("Contact ID is required"));
+        contactId = randomContacts.getItems().get(0).getId();
         company = client.companies()
                 .createOrUpdate(java.util.Optional.of(CreateOrUpdateCompanyRequest.builder()
                         .name(Utils.randomString())
diff --git a/src/test/java/com/intercom/api/integration/ContactsTest.java b/src/test/java/com/intercom/api/integration/ContactsTest.java
index e112835a..02fe9244 100644
--- a/src/test/java/com/intercom/api/integration/ContactsTest.java
+++ b/src/test/java/com/intercom/api/integration/ContactsTest.java
@@ -64,7 +64,7 @@ public void before() {
                         .externalId(Utils.randomString())
                         .phone("+353871234567")
                         .build()));
-        contactId = contact.getId().orElseThrow(() -> new RuntimeException("Contact ID is required"));
+        contactId = contact.getId();
 
         // act
         company = client.companies()
@@ -151,8 +151,7 @@ public void testCreateLead() {
         try {
             client.contacts()
                     .delete(DeleteContactRequest.builder()
-                            .contactId(
-                                    response.getId().orElseThrow(() -> new RuntimeException("Contact ID is required")))
+                            .contactId(response.getId())
                             .build());
         } catch (Exception e) {
             throw new RuntimeException("Failed to delete contact.", e);
@@ -218,7 +217,7 @@ public void testDelete() {
                         .role("lead")
                         .name("Roman Bowling")
                         .build()));
-        String createdId = created.getId().orElseThrow(() -> new RuntimeException("Contact ID is required"));
+        String createdId = created.getId();
         ContactDeleted response = client.contacts()
                 .delete(DeleteContactRequest.builder().contactId(createdId).build());
 
@@ -234,7 +233,7 @@ public void testMergeLeadInUser() {
                         .role("lead")
                         .name("Roman Bowling")
                         .build()));
-        String leadId = lead.getId().orElseThrow(() -> new RuntimeException("Lead ID is required"));
+        String leadId = lead.getId();
         ContactsMergeLeadInUserResponse response = client.contacts()
                 .mergeLeadInUser(MergeContactsRequest.builder()
                         .leadId(leadId)
diff --git a/src/test/java/com/intercom/api/integration/ConversationsTest.java b/src/test/java/com/intercom/api/integration/ConversationsTest.java
index 61b7496b..a3e6f9f7 100644
--- a/src/test/java/com/intercom/api/integration/ConversationsTest.java
+++ b/src/test/java/com/intercom/api/integration/ConversationsTest.java
@@ -86,19 +86,19 @@ public void before() {
                         .externalId(Utils.randomString())
                         .name("Baba Booey")
                         .build()));
-        userId = user.getId().orElseThrow(() -> new RuntimeException("User ID is required"));
+        userId = user.getId();
         secondUser = client.contacts()
                 .create(CreateContactRequest.of(CreateContactRequest.WithExternalId.builder()
                         .externalId(Utils.randomString())
                         .name("Babusha Boy")
                         .build()));
-        secondUserId = secondUser.getId().orElseThrow(() -> new RuntimeException("Second user ID is required"));
+        secondUserId = secondUser.getId();
         lead = client.contacts()
                 .create(CreateContactRequest.of(CreateContactRequest.WithExternalId.builder()
                         .externalId(Utils.randomString())
                         .name("Babushka Lead")
                         .build()));
-        leadId = lead.getId().orElseThrow(() -> new RuntimeException("Lead ID is required"));
+        leadId = lead.getId();
 
         Message conversationMessage = client.conversations()
                 .create(CreateConversationRequest.builder()
@@ -120,14 +120,12 @@ public void before() {
             after();
         }
 
-        String msgConversationId = conversationMessage
-                .getConversationId()
-                .orElseThrow(() -> new RuntimeException("Conversation ID is required"));
+        String msgConversationId = conversationMessage.getConversationId();
         conversation = client.conversations()
                 .find(FindConversationRequest.builder()
                         .conversationId(msgConversationId)
                         .build());
-        conversationId = conversation.getId().orElseThrow(() -> new RuntimeException("Conversation ID is required"));
+        conversationId = conversation.getId();
     }
 
     @AfterEach
diff --git a/src/test/java/com/intercom/api/integration/IntegrationTest.java b/src/test/java/com/intercom/api/integration/IntegrationTest.java
index 9c6ddbe5..c7dc348f 100644
--- a/src/test/java/com/intercom/api/integration/IntegrationTest.java
+++ b/src/test/java/com/intercom/api/integration/IntegrationTest.java
@@ -61,13 +61,13 @@ public void before() {
                 .create(CreateContactRequest.of(CreateContactRequest.WithExternalId.builder()
                         .externalId(Utils.randomString())
                         .build()));
-        userId = user.getId().orElseThrow(() -> new RuntimeException("User ID is required"));
+        userId = user.getId();
         lead = client.contacts()
                 .create(CreateContactRequest.of(CreateContactRequest.WithRole.builder()
                         .role("lead")
                         .name("Marek Barek")
                         .build()));
-        leadId = lead.getId().orElseThrow(() -> new RuntimeException("Lead ID is required"));
+        leadId = lead.getId();
         tag = client.tags()
                 .create(TagsCreateRequestBody.of(CreateOrUpdateTagRequest.builder()
                         .name(Utils.randomString())
@@ -126,8 +126,7 @@ public void testTagConversation() {
         // act
         Tag response = client.tags()
                 .tagConversation(TagConversationRequest.builder()
-                        .conversationId(message.getConversationId()
-                                .orElseThrow(() -> new RuntimeException("Conversation ID is required")))
+                        .conversationId(message.getConversationId())
                         .tagId(tag.getId())
                         .adminId(adminId)
                         .build());
diff --git a/src/test/java/com/intercom/api/integration/MessagesTest.java b/src/test/java/com/intercom/api/integration/MessagesTest.java
index a5ad577a..5b9411a5 100644
--- a/src/test/java/com/intercom/api/integration/MessagesTest.java
+++ b/src/test/java/com/intercom/api/integration/MessagesTest.java
@@ -42,7 +42,7 @@ public void before() {
                         .externalId(Utils.randomString())
                         .name("Message Test User")
                         .build()));
-        userId = user.getId().orElseThrow(() -> new RuntimeException("User ID is required"));
+        userId = user.getId();
     }
 
     @AfterEach
diff --git a/src/test/java/com/intercom/api/integration/NotesTest.java b/src/test/java/com/intercom/api/integration/NotesTest.java
index 380ef5bc..22121e52 100644
--- a/src/test/java/com/intercom/api/integration/NotesTest.java
+++ b/src/test/java/com/intercom/api/integration/NotesTest.java
@@ -43,7 +43,7 @@ public void before() {
                 .create(CreateContactRequest.of(CreateContactRequest.WithExternalId.builder()
                         .externalId(Utils.randomString())
                         .build()));
-        contactId = contact.getId().orElseThrow(() -> new RuntimeException("Contact ID is required"));
+        contactId = contact.getId();
 
         note = client.notes()
                 .create(CreateContactNoteRequest.builder()
@@ -51,7 +51,7 @@ public void before() {
                         .body(Utils.randomString())
                         .adminId(adminId)
                         .build());
-        noteId = Integer.parseInt(note.getId().orElseThrow(() -> new RuntimeException("Note ID is required")));
+        noteId = Integer.parseInt(note.getId());
     }
 
     @AfterEach
diff --git a/src/test/java/com/intercom/api/integration/TagsTest.java b/src/test/java/com/intercom/api/integration/TagsTest.java
index 35df891c..80bda65f 100644
--- a/src/test/java/com/intercom/api/integration/TagsTest.java
+++ b/src/test/java/com/intercom/api/integration/TagsTest.java
@@ -121,7 +121,7 @@ public void testTagContact() {
                 .create(CreateContactRequest.of(CreateContactRequest.WithExternalId.builder()
                         .externalId(Utils.randomString())
                         .build()));
-        String contactId = contact.getId().orElseThrow(() -> new RuntimeException("Contact ID is required"));
+        String contactId = contact.getId();
 
         // act
         Tag response = client.tags()
@@ -204,7 +204,7 @@ public void testTagConversation() {
                         .externalId(Utils.randomString())
                         .name("John Smith")
                         .build()));
-        String contactId = contact.getId().orElseThrow(() -> new RuntimeException("Contact ID is required"));
+        String contactId = contact.getId();
 
         Message conversationMessage = client.conversations()
                 .create(CreateConversationRequest.builder()
@@ -228,12 +228,9 @@ public void testTagConversation() {
 
         Conversation conversation = client.conversations()
                 .find(FindConversationRequest.builder()
-                        .conversationId(conversationMessage
-                                .getConversationId()
-                                .orElseThrow(() -> new RuntimeException("Conversation ID is required")))
+                        .conversationId(conversationMessage.getConversationId())
                         .build());
-        String conversationId =
-                conversation.getId().orElseThrow(() -> new RuntimeException("Conversation ID is required"));
+        String conversationId = conversation.getId();
 
         // act
         Tag response = client.tags()