diff --git a/specification/machinelearningservices/resource-manager/Microsoft.MachineLearningServices/preview/2025-01-01-preview/examples/OnlineDeployment/ManagedOnlineDeployment/createOrUpdate.json b/specification/machinelearningservices/resource-manager/Microsoft.MachineLearningServices/preview/2025-01-01-preview/examples/OnlineDeployment/ManagedOnlineDeployment/createOrUpdate.json
index d0a68ae41f66..de950afff5cf 100644
--- a/specification/machinelearningservices/resource-manager/Microsoft.MachineLearningServices/preview/2025-01-01-preview/examples/OnlineDeployment/ManagedOnlineDeployment/createOrUpdate.json
+++ b/specification/machinelearningservices/resource-manager/Microsoft.MachineLearningServices/preview/2025-01-01-preview/examples/OnlineDeployment/ManagedOnlineDeployment/createOrUpdate.json
@@ -46,6 +46,13 @@
           "timeout": "PT2S",
           "period": "PT10S",
           "initialDelay": "PT1S"
+        },
+        "startupProbe": {
+          "failureThreshold": 30,
+          "successThreshold": 1,
+          "timeout": "PT2S",
+          "period": "PT10S",
+          "initialDelay": "PT1S"
         }
       },
       "tags": {},
@@ -113,6 +120,13 @@
             "timeout": "PT2S",
             "period": "PT10S",
             "initialDelay": "PT1S"
+          },
+          "startupProbe": {
+            "failureThreshold": 30,
+            "successThreshold": 1,
+            "timeout": "PT2S",
+            "period": "PT10S",
+            "initialDelay": "PT1S"
           }
         },
         "systemData": {
@@ -192,6 +206,13 @@
             "timeout": "PT2S",
             "period": "PT10S",
             "initialDelay": "PT1S"
+          },
+          "startupProbe": {
+            "failureThreshold": 30,
+            "successThreshold": 1,
+            "timeout": "PT2S",
+            "period": "PT10S",
+            "initialDelay": "PT1S"
           }
         },
         "systemData": {
diff --git a/specification/machinelearningservices/resource-manager/Microsoft.MachineLearningServices/preview/2025-01-01-preview/examples/OnlineDeployment/ManagedOnlineDeployment/update.json b/specification/machinelearningservices/resource-manager/Microsoft.MachineLearningServices/preview/2025-01-01-preview/examples/OnlineDeployment/ManagedOnlineDeployment/update.json
index a769fe9793a9..93341ec39b4f 100644
--- a/specification/machinelearningservices/resource-manager/Microsoft.MachineLearningServices/preview/2025-01-01-preview/examples/OnlineDeployment/ManagedOnlineDeployment/update.json
+++ b/specification/machinelearningservices/resource-manager/Microsoft.MachineLearningServices/preview/2025-01-01-preview/examples/OnlineDeployment/ManagedOnlineDeployment/update.json
@@ -64,6 +64,13 @@
             "timeout": "PT2S",
             "period": "PT10S",
             "initialDelay": "PT1S"
+          },
+          "startupProbe": {
+            "failureThreshold": 30,
+            "successThreshold": 1,
+            "timeout": "PT2S",
+            "period": "PT10S",
+            "initialDelay": "PT1S"
           }
         },
         "systemData": {
diff --git a/specification/machinelearningservices/resource-manager/Microsoft.MachineLearningServices/preview/2025-01-01-preview/mfe.json b/specification/machinelearningservices/resource-manager/Microsoft.MachineLearningServices/preview/2025-01-01-preview/mfe.json
index ae695dcccf4e..ba3b511ed24e 100644
--- a/specification/machinelearningservices/resource-manager/Microsoft.MachineLearningServices/preview/2025-01-01-preview/mfe.json
+++ b/specification/machinelearningservices/resource-manager/Microsoft.MachineLearningServices/preview/2025-01-01-preview/mfe.json
@@ -20763,6 +20763,11 @@
           "description": "The route to check the readiness of the inference server container.",
           "$ref": "#/definitions/Route"
         },
+        "startupRoute": {
+          "description": "The route to check the startup of the application in the container.",
+          "$ref": "#/definitions/Route",
+          "x-nullable": true
+        },
         "scoringRoute": {
           "description": "The port to send the scoring requests to, within the inference server container.",
           "$ref": "#/definitions/Route"
@@ -23677,6 +23682,11 @@
           "$ref": "#/definitions/ProbeSettings",
           "x-nullable": true
         },
+        "startupProbe": {
+          "description": "Startup probe verify whether an application within a container has started successfully.",
+          "$ref": "#/definitions/ProbeSettings",
+          "x-nullable": true
+        },
         "requestSettings": {
           "description": "Request settings for the deployment.",
           "$ref": "#/definitions/OnlineRequestSettings",
diff --git a/specification/machinelearningservices/resource-manager/Microsoft.MachineLearningServices/stable/2024-10-01/mfe.json b/specification/machinelearningservices/resource-manager/Microsoft.MachineLearningServices/stable/2024-10-01/mfe.json
index 1e948b11fa0c..65a13996440c 100644
--- a/specification/machinelearningservices/resource-manager/Microsoft.MachineLearningServices/stable/2024-10-01/mfe.json
+++ b/specification/machinelearningservices/resource-manager/Microsoft.MachineLearningServices/stable/2024-10-01/mfe.json
@@ -17868,6 +17868,11 @@
           "description": "The route to check the readiness of the inference server container.",
           "$ref": "#/definitions/Route"
         },
+        "startupRoute": {
+          "description": "The route to check the startup of the application in the container.",
+          "$ref": "#/definitions/Route",
+          "x-nullable": true
+        },
         "scoringRoute": {
           "description": "The port to send the scoring requests to, within the inference server container.",
           "$ref": "#/definitions/Route"
@@ -20426,7 +20431,7 @@
           "x-nullable": true
         },
         "startupProbe": {
-          "description": "This verifies whether the application within a container is started. Startup probes run before any other probe, and, unless it finishes successfully, disables other probes.",
+          "description": "Startup probe verify whether an application within a container has started successfully.",
           "$ref": "#/definitions/ProbeSettings",
           "x-nullable": true
         },