diff --git a/openapi-internal.yaml b/openapi-internal.yaml
index 1fb1fd7..656cc4d 100644
--- a/openapi-internal.yaml
+++ b/openapi-internal.yaml
@@ -73,6 +73,37 @@ paths:
         - Mapfixes
       parameters:
         - $ref: '#/components/parameters/MapfixID'
+        - name: ModelVersion
+          in: query
+          required: true
+          schema:
+            type: integer
+            format: int64
+            minimum: 0
+      responses:
+        "204":
+          description: Successful response
+        default:
+          description: General Error
+          content:
+            application/json:
+              schema:
+                $ref: "#/components/schemas/Error"
+  /mapfixes/{MapfixID}/status/validator-request-changes:
+    post:
+      summary: (Internal endpoint) Role Validator changes status from Submitting -> ChangesRequested
+      operationId: actionMapfixRequestChanges
+      tags:
+        - Mapfixes
+      parameters:
+        - $ref: '#/components/parameters/MapfixID'
+        - name: StatusMessage
+          in: query
+          required: true
+          schema:
+            type: string
+            minLength: 0
+            maxLength: 4096
       responses:
         "204":
           description: Successful response
@@ -228,6 +259,37 @@ paths:
         - Submissions
       parameters:
         - $ref: '#/components/parameters/SubmissionID'
+        - name: ModelVersion
+          in: query
+          required: true
+          schema:
+            type: integer
+            format: int64
+            minimum: 0
+      responses:
+        "204":
+          description: Successful response
+        default:
+          description: General Error
+          content:
+            application/json:
+              schema:
+                $ref: "#/components/schemas/Error"
+  /submissions/{SubmissionID}/status/validator-request-changes:
+    post:
+      summary: (Internal endpoint) Role Validator changes status from Submitting -> ChangesRequested
+      operationId: actionSubmissionRequestChanges
+      tags:
+        - Submissions
+      parameters:
+        - $ref: '#/components/parameters/SubmissionID'
+        - name: StatusMessage
+          in: query
+          required: true
+          schema:
+            type: string
+            minLength: 0
+            maxLength: 4096
       responses:
         "204":
           description: Successful response