Amazon Cognito Sync
API Reference (API Version 2014-06-30)


Gets usage details (for example, data storage) about a particular identity pool.

This API can only be called with developer credentials. You cannot call this API with the temporary user credentials provided by Cognito Identity.

Request Syntax

GET /identitypools/IdentityPoolId HTTP/1.1

URI Request Parameters

The request requires the following URI parameters.


A name-spaced GUID (for example, us-east-1:23EC4050-6AEA-7089-A2DD-08002EXAMPLE) created by Amazon Cognito. GUID generation is unique within a region.

Length Constraints: Minimum length of 1. Maximum length of 55.

Pattern: [\w-]+:[0-9a-f-]+

Request Body

The request does not have a request body.

Response Syntax

HTTP/1.1 200 Content-type: application/json { "IdentityPoolUsage": { "DataStorage": number, "IdentityPoolId": "string", "LastModifiedDate": number, "SyncSessionsCount": number } }

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.


Information about the usage of the identity pool.

Type: IdentityPoolUsage object


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


Indicates an internal service error.

HTTP Status Code: 500


Thrown when a request parameter does not comply with the associated constraints.

HTTP Status Code: 400


Thrown when a user is not authorized to access the requested resource.

HTTP Status Code: 403


Thrown if the resource doesn't exist.

HTTP Status Code: 404


Thrown if the request is throttled.

HTTP Status Code: 429



The following examples have been edited for readability.

Sample Request

POST / HTTP/1.1 CONTENT-TYPE: application/json X-AMZN-REQUESTID: 8dc0e749-c8cd-48bd-8520-da6be00d528b X-AMZ-TARGET: com.amazonaws.cognito.sync.model.AWSCognitoSyncService.DescribeIdentityPoolUsage HOST: X-AMZ-DATE: 20141111T205737Z AUTHORIZATION: AWS4-HMAC-SHA256 Credential=<credential>, SignedHeaders=content-type;host;x-amz-date;x-amz-target;x-amzn-requestid, Signature=<signature> { "IdentityPoolId": "IDENTITY_POOL_ID" }

Sample Response

1.1 200 OK x-amzn-requestid: 8dc0e749-c8cd-48bd-8520-da6be00d528b content-type: application/json content-length: 271 date: Tue, 11 Nov 2014 20:57:37 GMT { "IdentityPoolUsage": { "DataStorage": 0, "IdentityPoolId": "IDENTITY_POOL_ID", "LastModifiedDate": 1.413231134115E9, "SyncSessionsCount": null } }

See Also

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