chore(docs): Generated API Reference (v2) (#8643)

Co-authored-by: kodiakhq <kodiakhq@users.noreply.github.com>

www/apps/api-reference/specs/admin/paths/admin_customers.yaml

@@ -186,32 +186,51 @@ post:
     content:
       application/json:
         schema:
+          allOf:
+            - type: object
+              description: SUMMARY
+              required:
+                - email
+                - company_name
+                - first_name
+                - last_name
+                - phone
+                - metadata
+              properties:
+                email:
+                  type: string
+                  title: email
+                  description: The customer's email.
+                  format: email
+                company_name:
+                  type: string
+                  title: company_name
+                  description: The customer's company name.
+                first_name:
+                  type: string
+                  title: first_name
+                  description: The customer's first name.
+                last_name:
+                  type: string
+                  title: last_name
+                  description: The customer's last name.
+                phone:
+                  type: string
+                  title: phone
+                  description: The customer's phone.
+                metadata:
+                  type: object
+                  description: The customer's metadata.
+            - type: object
+              description: SUMMARY
+              properties:
+                additional_data:
+                  type: object
+                  description: >-
+                    Pass additional custom data to the API route. This data is
+                    passed to the underlying workflow under the
+                    `additional_data` parameter.
           description: SUMMARY
-          properties:
-            email:
-              type: string
-              title: email
-              description: The customer's email.
-              format: email
-            company_name:
-              type: string
-              title: company_name
-              description: The customer's company name.
-            first_name:
-              type: string
-              title: first_name
-              description: The customer's first name.
-            last_name:
-              type: string
-              title: last_name
-              description: The customer's last name.
-            phone:
-              type: string
-              title: phone
-              description: The customer's phone.
-            metadata:
-              type: object
-              description: The customer's metadata.
   x-codeSamples:
     - lang: Shell
       label: cURL