diff --git a/specification/machinelearningservices/resource-manager/Microsoft.MachineLearningServices/stable/2021-07-01/examples/ExternalFQDN/get.json b/specification/machinelearningservices/resource-manager/Microsoft.MachineLearningServices/stable/2021-07-01/examples/ExternalFQDN/get.json
new file mode 100644
index 000000000000..308ebd99b20e
--- /dev/null
+++ b/specification/machinelearningservices/resource-manager/Microsoft.MachineLearningServices/stable/2021-07-01/examples/ExternalFQDN/get.json
@@ -0,0 +1,265 @@
+{
+  "parameters": {
+    "subscriptionId": "00000000-1111-2222-3333-444444444444",
+    "resourceGroupName": "workspace-1234",
+    "workspaceName": "testworkspace",
+    "api-version": "2021-07-01"
+  },
+  "responses": {
+    "200": {
+      "body": {
+        "value": [
+            {
+                "category": "Azure Active Directory",
+                "endpoints": [
+                    {
+                        "domainName": "login.microsoftonline.com",
+                        "endpointDetails": [
+                            {
+                                "port": 443
+                            }
+                        ]
+                    }
+                ]
+            },
+            {
+                "category": "Azure portal",
+                "endpoints": [
+                    {
+                        "domainName": "management.azure.com",
+                        "endpointDetails": [
+                            {
+                                "port": 443
+                            }
+                        ]
+                    }
+                ]
+            },
+            {
+                "category": "Azure Resource Manager",
+                "endpoints": [
+                    {
+                        "domainName": "management.azure.com",
+                        "endpointDetails": [
+                            {
+                                "port": 443
+                            }
+                        ]
+                    }
+                ]
+            },
+            {
+                "category": "Azure Machine Learning studio",
+                "endpoints": [
+                    {
+                        "domainName": "ml.azure.com",
+                        "endpointDetails": [
+                            {
+                                "port": 443
+                            }
+                        ]
+                    }
+                ]
+            },
+            {
+                "category": "API",
+                "endpoints": [
+                    {
+                        "domainName": "*.azureml.ms",
+                        "endpointDetails": [
+                            {
+                                "port": 443
+                            }
+                        ]
+                    }
+                ]
+            },
+            {
+                "category": "Azure Active Directory",
+                "endpoints": [
+                    {
+                        "domainName": "login.microsoftonline.com",
+                        "endpointDetails": [
+                            {
+                                "port": 443
+                            }
+                        ]
+                    }
+                ]
+            },
+            {
+                "category": "Integrated notebook",
+                "endpoints": [
+                    {
+                        "domainName": "*.notebooks.azure.net",
+                        "endpointDetails": [
+                            {
+                                "port": 443
+                            }
+                        ]
+                    },
+                    {
+                        "domainName": "localtest9127254374.file.core.windows.net",
+                        "endpointDetails": [
+                            {
+                                "port": 443
+                            }
+                        ]
+                    },
+                    {
+                        "domainName": "localtest9127254374.dfs.core.windows.net",
+                        "endpointDetails": [
+                            {
+                                "port": 443
+                            }
+                        ]
+                    },
+                    {
+                        "domainName": "localtest9127254374.blob.core.windows.net",
+                        "endpointDetails": [
+                            {
+                                "port": 443
+                            }
+                        ]
+                    },
+                    {
+                        "domainName": "graph.microsoft.com",
+                        "endpointDetails": [
+                            {
+                                "port": 443
+                            }
+                        ]
+                    },
+                    {
+                        "domainName": "*.aznbcontent.net",
+                        "endpointDetails": [
+                            {
+                                "port": 443
+                            }
+                        ]
+                    }
+                ]
+            },
+            {
+                "category": "Compute cluster/instance",
+                "endpoints": [
+                    {
+                        "domainName": "*.batchai.core.windows.net",
+                        "endpointDetails": [
+                            {
+                                "port": 443
+                            }
+                        ]
+                    },
+                    {
+                        "domainName": "graph.windows.net",
+                        "endpointDetails": [
+                            {
+                                "port": 443
+                            }
+                        ]
+                    }
+                ]
+            },
+            {
+                "category": "Compute instance",
+                "endpoints": [
+                    {
+                        "domainName": "*.instances.azureml.net",
+                        "endpointDetails": [
+                            {
+                                "port": 443
+                            }
+                        ]
+                    },
+                    {
+                        "domainName": "*.instances.azureml.ms",
+                        "endpointDetails": [
+                            {
+                                "port": 443
+                            }
+                        ]
+                    }
+                ]
+            },
+            {
+                "category": "Azure Storage Account",
+                "endpoints": [
+                    {
+                        "domainName": "core.windows.net",
+                        "endpointDetails": [
+                            {
+                                "port": 443
+                            },
+                            {
+                                "port": 18881
+                            },
+                            {
+                                "port": 8787
+                            }
+                        ]
+                    }
+                ]
+            },
+            {
+                "category": "Azure Key Vault",
+                "endpoints": [
+                    {
+                        "domainName": "vault.azure.net",
+                        "endpointDetails": [
+                            {
+                                "port": 443
+                            },
+                            {
+                                "port": 18881
+                            },
+                            {
+                                "port": 8787
+                            }
+                        ]
+                    }
+                ]
+            },
+            {
+                "category": "Azure Container Registry",
+                "endpoints": [
+                    {
+                        "domainName": "azurecr.io",
+                        "endpointDetails": [
+                            {
+                                "port": 443
+                            },
+                            {
+                                "port": 18881
+                            },
+                            {
+                                "port": 8787
+                            }
+                        ]
+                    }
+                ]
+            },
+            {
+                "category": "Microsoft Container Registry",
+                "endpoints": [
+                    {
+                        "domainName": "mcr.microsoft.com",
+                        "endpointDetails": [
+                            {
+                                "port": 443
+                            },
+                            {
+                                "port": 18881
+                            },
+                            {
+                                "port": 8787
+                            }
+                        ]
+                    }
+                ]
+            }
+        ]
+    }
+    }
+  }
+}
diff --git a/specification/machinelearningservices/resource-manager/Microsoft.MachineLearningServices/stable/2021-07-01/machineLearningServices.json b/specification/machinelearningservices/resource-manager/Microsoft.MachineLearningServices/stable/2021-07-01/machineLearningServices.json
index 779ae805ee7e..da4a340ae4d1 100644
--- a/specification/machinelearningservices/resource-manager/Microsoft.MachineLearningServices/stable/2021-07-01/machineLearningServices.json
+++ b/specification/machinelearningservices/resource-manager/Microsoft.MachineLearningServices/stable/2021-07-01/machineLearningServices.json
@@ -1781,6 +1781,51 @@
           }
         }
       }
+    },
+    "/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.MachineLearningServices/workspaces/{workspaceName}/outboundNetworkDependenciesEndpoints": {
+      "get": {
+        "tags": [
+          "OutboundNetworkDependenciesEndpoints"
+        ],
+        "summary": "Called by Client (Portal, CLI, etc) to get a list of all external outbound dependencies (FQDNs) programmatically.",
+        "operationId": "OutboundNetworkDependenciesEndpoints_List",
+        "produces": [
+          "application/json"
+        ],
+        "parameters": [
+          {
+            "$ref": "../../../../../common-types/resource-management/v2/types.json#/parameters/SubscriptionIdParameter"
+          },
+          {
+            "$ref": "../../../../../common-types/resource-management/v2/types.json#/parameters/ResourceGroupNameParameter"
+          },
+          {
+            "$ref": "#/parameters/WorkspaceNameParameter"
+          },
+          {
+            "$ref": "../../../../../common-types/resource-management/v2/types.json#/parameters/ApiVersionParameter"
+          }
+        ],
+        "responses": {
+          "200": {
+            "description": "Success",
+            "schema": {
+              "$ref": "#/definitions/ExternalFQDNResponse"
+            }
+          },
+          "default": {
+            "description": "Error",
+            "schema": {
+              "$ref": "../../../../../common-types/resource-management/v2/types.json#/definitions/ErrorResponse"
+            }
+          }
+        },
+        "x-ms-examples": {
+          "ListOutboundNetworkDependenciesEndpoints": {
+            "$ref": "./examples/ExternalFQDN/get.json"
+          }
+        }
+      }
     }
   },
   "parameters": {
@@ -4802,6 +4847,54 @@
           "$ref": "#/definitions/AKSProperties"
         }
       }
+    },
+    "FQDNEndpointDetail": {
+      "type": "object",
+      "properties": {
+        "port": {
+          "format": "int32",
+          "type": "integer"
+        }
+      }
+    },
+    "FQDNEndpoint": {
+      "type": "object",
+      "properties": {
+        "domainName": {
+          "type": "string"
+        },
+        "endpointDetails": {
+          "type": "array",
+          "items": {
+            "$ref": "#/definitions/FQDNEndpointDetail"
+          }
+        }
+      }
+    },
+    "FQDNEndpoints": {
+      "type": "object",
+      "properties": {
+        "category": {
+          "type": "string"
+        },
+        "endpoints": {
+          "type": "array",
+          "items": {
+            "$ref": "#/definitions/FQDNEndpoint"
+          }
+        }
+      }
+    },
+    "ExternalFQDNResponse": {
+      "type": "object",
+      "properties": {
+        "value": {
+          "type": "array",
+          "items": {
+            "$ref": "#/definitions/FQDNEndpoints"
+          }
+        }
+      }
     }
   }
 }