AWS Systems Manager
API Reference (API Version 2014-11-06)
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Describes one or more of your instances. You can use this to get information about instances like the operating system platform, the SSM Agent version (Linux), status etc. If you specify one or more instance IDs, it returns information for those instances. If you do not specify instance IDs, it returns information for all your instances. If you specify an instance ID that is not valid or an instance that you do not own, you receive an error.


The IamRole field for this API action is the Amazon Identity and Access Management (IAM) role assigned to on-premises instances. This call does not return the IAM role for Amazon EC2 instances.

Request Syntax

{ "Filters": [ { "Key": "string", "Values": [ "string" ] } ], "InstanceInformationFilterList": [ { "key": "string", "valueSet": [ "string" ] } ], "MaxResults": number, "NextToken": "string" }

Request Parameters

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

The request accepts the following data in JSON format.


One or more filters. Use a filter to return a more specific list of instances. You can filter on Amazon EC2 tag. Specify tags by using a key-value mapping.

Type: Array of InstanceInformationStringFilter objects

Array Members: Minimum number of 0 items.

Required: No


This is a legacy method. We recommend that you don't use this method. Instead, use the InstanceInformationFilter action. The InstanceInformationFilter action enables you to return instance information by using tags that are specified as a key-value mapping.

If you do use this method, then you can't use the InstanceInformationFilter action. Using this method and the InstanceInformationFilter action causes an exception error.

Type: Array of InstanceInformationFilter objects

Array Members: Minimum number of 0 items.

Required: No


The maximum number of items to return for this call. The call also returns a token that you can specify in a subsequent call to get the next set of results.

Type: Integer

Valid Range: Minimum value of 5. Maximum value of 50.

Required: No


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

Type: String

Required: No

Response Syntax

{ "InstanceInformationList": [ { "ActivationId": "string", "AgentVersion": "string", "AssociationOverview": { "DetailedStatus": "string", "InstanceAssociationStatusAggregatedCount": { "string" : number } }, "AssociationStatus": "string", "ComputerName": "string", "IamRole": "string", "InstanceId": "string", "IPAddress": "string", "IsLatestVersion": boolean, "LastAssociationExecutionDate": number, "LastPingDateTime": number, "LastSuccessfulAssociationExecutionDate": number, "Name": "string", "PingStatus": "string", "PlatformName": "string", "PlatformType": "string", "PlatformVersion": "string", "RegistrationDate": number, "ResourceType": "string" } ], "NextToken": "string" }

Response Elements

If the action is successful, the service sends back an HTTP 200 response.

The following data is returned in JSON format by the service.


The instance information list.

Type: Array of InstanceInformation 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


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


An error occurred on the server side.

HTTP Status Code: 500


The specified key is not valid.

HTTP Status Code: 400


The following problems can cause this exception:

You do not have permission to access the instance.

SSM Agent is not running. Verify that SSM Agent is running.

SSM Agent is not registered with the SSM endpoint. Try reinstalling SSM Agent.

The instance is not in valid state. Valid states are: Running, Pending, Stopped, Stopping. Invalid states are: Shutting-down and Terminated.

HTTP Status Code: 400


The specified filter value is not valid.

HTTP Status Code: 400


The specified token is not valid.

HTTP Status Code: 400

See Also

For more information about using this API in one of the language-specific AWS SDKs, see the following: