Auto Scaling
API Reference (API Version 2011-01-01)


Describes one or more Auto Scaling instances. If a list is not provided, the call describes all instances.

Request Parameters

For information about the common parameters that all actions use, see Common Parameters.


One or more Auto Scaling instances to describe, up to 50 instances. If you omit this parameter, all Auto Scaling instances are described. If you specify an ID that does not exist, it is ignored with no error.

Type: String list

Length constraints: Minimum length of 1. Maximum length of 16.

Pattern: [\u0020-\uD7FF\uE000-\uFFFD\uD800\uDC00-\uDBFF\uDFFF\r\n\t]*

Required: No


The maximum number of items to return with this call.

Type: Integer

Required: No


The token for the next set of items to return. (You received this token from a previous call.)

Type: String

Pattern: [\u0020-\uD7FF\uE000-\uFFFD\uD800\uDC00-\uDBFF\uDFFF\r\n\t]*

Required: No

Response Elements

The following elements are returned.


The instances.

Type: AutoScalingInstanceDetails list


The token to use when requesting the next set of items. If there are no additional items to return, the string is empty.

Type: String


For information about the errors that are common to all actions, see Common Errors.


The NextToken value is not valid.

HTTP Status Code: 400


You already have a pending update to an Auto Scaling resource (for example, a group, instance, or load balancer).

HTTP Status Code: 500


Sample Request

Sample Response

<DescribeAutoScalingInstancesResponse xmlns="">