diff --git a/custom-words.txt b/custom-words.txt
index 6ff8abafebda..a40da6bcd39d 100644
--- a/custom-words.txt
+++ b/custom-words.txt
@@ -1348,6 +1348,7 @@ Onboarding
 Onboards
 ondemand
 ondemandgc
+onedeploy
 onmachine
 onmicrosoft
 ONNX
diff --git a/specification/web/resource-manager/Microsoft.Web/stable/2021-03-01/WebApps.json b/specification/web/resource-manager/Microsoft.Web/stable/2021-03-01/WebApps.json
index b5952f0ba4f7..58b4d2913b54 100644
--- a/specification/web/resource-manager/Microsoft.Web/stable/2021-03-01/WebApps.json
+++ b/specification/web/resource-manager/Microsoft.Web/stable/2021-03-01/WebApps.json
@@ -3524,6 +3524,88 @@
         }
       }
     },
+    "/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Web/sites/{name}/extensions/onedeploy": {
+      "get": {
+        "tags": [
+          "WebApps"
+        ],
+        "summary": "Invoke onedeploy status API /api/deployments and gets the deployment status for the site",
+        "description": "Description for Invoke onedeploy status API /api/deployments and gets the deployment status for the site",
+        "operationId": "WebApps_GetOneDeployStatus",
+        "parameters": [
+          {
+            "$ref": "#/parameters/resourceGroupNameParameter"
+          },
+          {
+            "name": "name",
+            "in": "path",
+            "description": "Name of web app.",
+            "required": true,
+            "type": "string"
+          },
+          {
+            "$ref": "#/parameters/subscriptionIdParameter"
+          },
+          {
+            "$ref": "#/parameters/apiVersionParameter"
+          }
+        ],
+        "responses": {
+          "200": {
+            "description": "OK",
+            "schema": {
+              "type": "object"
+            }
+          },
+          "default": {
+            "description": "App Service error response.",
+            "schema": {
+              "$ref": "./CommonDefinitions.json#/definitions/DefaultErrorResponse"
+            }
+          }
+        }
+      },
+      "put": {
+        "tags": [
+          "WebApps"
+        ],
+        "summary": "Invoke the OneDeploy publish web app extension.",
+        "description": "Description for Invoke the OneDeploy publish web app extension.",
+        "operationId": "WebApps_CreateOneDeployOperation",
+        "parameters": [
+          {
+            "$ref": "#/parameters/resourceGroupNameParameter"
+          },
+          {
+            "name": "name",
+            "in": "path",
+            "description": "Name of web app.",
+            "required": true,
+            "type": "string"
+          },
+          {
+            "$ref": "#/parameters/subscriptionIdParameter"
+          },
+          {
+            "$ref": "#/parameters/apiVersionParameter"
+          }
+        ],
+        "responses": {
+          "200": {
+            "description": "OK",
+            "schema": {
+              "type": "object"
+            }
+          },
+          "default": {
+            "description": "App Service error response.",
+            "schema": {
+              "$ref": "./CommonDefinitions.json#/definitions/DefaultErrorResponse"
+            }
+          }
+        }
+      }
+    },
     "/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Web/sites/{name}/functions": {
       "get": {
         "tags": [