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


Describes one or more Auto Scaling instances.

Request Parameters

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


The instances to describe; up to 50 instance IDs. 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: array of Strings

Length Constraints: Minimum length of 1. Maximum length of 19.

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 by the service.


The instances.

Type: array of AutoScalingInstanceDetails objects


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

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


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="">