diff --git a/sonic_api.yaml b/sonic_api.yaml
index 7e86d10..27e0aa6 100644
--- a/sonic_api.yaml
+++ b/sonic_api.yaml
@@ -1255,6 +1255,40 @@ paths:
           schema:
             $ref: '#/definitions/Error'
 #----------------------------------------------
+# Setup dummy udp dst port for vxlan tunnel
+#----------------------------------------------
+  '/config/vxlan-udp-port/{port_num}':
+    put:
+      summary: Set the destination UDP port number for VXLAN encapsulated packets
+      parameters:
+        - name: port_num
+          in: path
+          required: true
+          type: integer
+      responses:
+        '204':
+          description: OK
+        '400':
+          description: Malformed arguments for API call
+          schema:
+            $ref: '#/definitions/Error'
+        '401':
+          description: Invalid authentication credentials
+          schema:
+            $ref: '#/definitions/Error'
+        '403':
+          description: Capacity insufficient
+          schema:
+            $ref: '#/definitions/Error'
+        '500':
+          description: Internal service error
+          schema:
+            $ref: '#/definitions/Error'
+        '503':
+          description: Maintanence mode
+          schema:
+            $ref: '#/definitions/Error'
+#----------------------------------------------
 # Schema definitions
 #----------------------------------------------
 definitions: