You can call this operation to resume the suspended processes.


OpenAPI Explorer automatically calculates the signature value. For your convenience, we recommend that you call this operation in OpenAPI Explorer. OpenAPI Explorer dynamically generates the sample code of the operation for different SDKs.

Request parameters

Parameter Type Required Example Description
Process.N RepeatList Yes ScaleIn

The activity type that you want to resume. Valid values of N: 1 to 100. Valid values:

  • ScaleIn: removes ECS instances.
  • ScaleOut: adds ECS instances.
  • HealthCheck: performs health checks.
  • AlarmNotification: sends alarm notifications.
  • ScheduledAction: triggers scheduled tasks.

You can resume five types of scaling activities. If you specify more than five types, the duplicate type is automatically removed.

ScalingGroupId String Yes asg-bp15oubotmrq11xe****

The ID of the scaling group.

Action String Yes ResumeProcesses

The operation that you want to perform. Set the value to ResumeProcesses.

Response parameters

Parameter Type Example Description
RequestId String E38EB733-D714-4658-8A5F-0688AB680414

The ID of the request.


Sample requests
&<Common request parameters>

Sample success responses

XML format


JSON format


Error codes

For a list of error codes, visit the API Error Center.

HTTP status code

Error code

Error message




The specified scaling group does not exist.

The error message returned because the specified scaling group does not exist in the current account.



The specified value of parameter "%s" is not valid.

The error message returned because the specified value of the parameter is invalid.