diff --git a/.openapi/connector_mgmt.yaml b/.openapi/connector_mgmt.yaml
index 3d035c3e..3076ab9b 100644
--- a/.openapi/connector_mgmt.yaml
+++ b/.openapi/connector_mgmt.yaml
@@ -92,6 +92,15 @@ paths:
                 404Example:
                   $ref: "#/components/examples/404Example"
           description: No matching connector type exists
+        "410":
+          content:
+            application/json:
+              schema:
+                $ref: "#/components/schemas/Error"
+              examples:
+                404Example:
+                  $ref: "#/components/examples/410Example"
+          description: Connector type doesn't exist anymore
         "500":
           content:
             application/json:
@@ -289,7 +298,16 @@ paths:
               examples:
                 404Example:
                   $ref: "#/components/examples/404Example"
-          description: No matching connector type exists
+          description: No matching connector exists
+        "410":
+          content:
+            application/json:
+              schema:
+                $ref: "#/components/schemas/Error"
+              examples:
+                404Example:
+                  $ref: "#/components/examples/410Example"
+          description: The requested resource doesn't exist anymore
         "500":
           content:
             application/json:
@@ -388,7 +406,16 @@ paths:
               examples:
                 404Example:
                   $ref: "#/components/examples/404Example"
-          description: No matching connector type exists
+          description: No matching resource exists
+        "410":
+          content:
+            application/json:
+              schema:
+                $ref: "#/components/schemas/Error"
+              examples:
+                404Example:
+                  $ref: "#/components/examples/410Example"
+          description: The requested resource doesn't exist anymore
         "500":
           content:
             application/json:
@@ -550,6 +577,15 @@ paths:
                 404Example:
                   $ref: "#/components/examples/404Example"
           description: No matching connector cluster type exists
+        "410":
+          content:
+            application/json:
+              schema:
+                $ref: "#/components/schemas/Error"
+              examples:
+                404Example:
+                  $ref: "#/components/examples/410Example"
+          description: The requested resource doesn't exist anymore
         "500":
           content:
             application/json:
@@ -688,6 +724,15 @@ paths:
                 404Example:
                   $ref: "#/components/examples/404Example"
           description: No matching connector cluster type exists
+        "410":
+          content:
+            application/json:
+              schema:
+                $ref: "#/components/schemas/Error"
+              examples:
+                404Example:
+                  $ref: "#/components/examples/410Example"
+          description: The requested resource doesn't exist anymore
         "500":
           content:
             application/json:
@@ -1285,6 +1330,8 @@ components:
       properties:
         name:
           type: string
+          pattern: "^(([A-Za-z0-9][-A-Za-z0-9_.]*)?[A-Za-z0-9])?$"
+          description: Namespace name must match pattern `^(([A-Za-z0-9][-A-Za-z0-9_.]*)?[A-Za-z0-9])?$`, or it may be empty to be auto-generated.
         annotations:
           type: array
           items:
@@ -1385,6 +1432,7 @@ components:
         - disconnected
         - ready
         - deleting
+        - deleted
 
     ConnectorNamespaceStatus:
       type: object
@@ -1712,6 +1760,13 @@ components:
         href: "/api/connector_mgmt/v1/errors/7"
         code: "CONNECTOR-MGMT-7"
         reason: "The requested resource doesn't exist"
+    410Example:
+      value:
+        id: "410"
+        kind: "Error"
+        href: "/api/connector_mgmt/v1/errors/25"
+        code: "CONNECTOR-MGMT-25"
+        reason: "The requested resource has been deleted"
     404DeleteExample:
       value:
         id: "7"