diff --git a/openapi/components/schemas/ProductListing.yaml b/openapi/components/schemas/ProductListing.yaml
index a42c6679..197d49d0 100644
--- a/openapi/components/schemas/ProductListing.yaml
+++ b/openapi/components/schemas/ProductListing.yaml
@@ -58,8 +58,15 @@ properties:
   products:
     type: array
     items:
-      type: object
       description: Either a ProductID or a Product, depending on hydration
+      x-if:
+        when: jsonschema
+        then:
+          oneOf:
+            - $ref: ./Product.yaml
+            - $ref: ./ProductID.yaml
+        else:
+          type: object
   quantifiable:
     type: boolean
   recurrable:
diff --git a/openapi/components/schemas/Transaction.yaml b/openapi/components/schemas/Transaction.yaml
index cc14489a..d0cb56be 100644
--- a/openapi/components/schemas/Transaction.yaml
+++ b/openapi/components/schemas/Transaction.yaml
@@ -3,7 +3,14 @@ type: object
 description: ""
 properties:
   agreement:
-    $ref: ./TransactionAgreement.yaml
+    x-if:
+      when: jsonschema
+      then:
+        oneOf:
+          - $ref: ./TransactionAgreement.yaml
+          - type: string
+      else:
+        $ref: ./TransactionAgreement.yaml
   created_at:
     type: string
     format: date-time