You can call this operation to resume suspended processes in a scaling group.


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
Action String Yes ResumeProcesses

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

Process.N RepeatList Yes ScaleIn

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

  • ScaleIn: scale-in activity.
  • ScaleOut: scale-out activity.
  • HealthCheck: health check.
  • AlarmNotification: event-triggered task.
  • ScheduledAction: scheduled task.

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

ScalingGroupId String Yes asg-bp15oubotmrq11xe****

The ID of the scaling group.

ClientToken String No 123e4567-e89b-12d3-a456-42665544****

The client token that is used to ensure the idempotence of the request. You can use the client to generate the value, but you must ensure that it is unique among different requests. The token can only contain ASCII characters and cannot exceed 64 characters in length. For more information, see How to ensure idempotence.

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

    "RequestId": "E38EB733-D714-4658-8A5F-0688AB680414"

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 a specified parameter is invalid.