GetUser - Amazon Cognito User Pools


Gets the user attributes and metadata for a user.

Amazon Cognito doesn't evaluate AWS Identity and Access Management (IAM) policies in requests to this API operation. For this operation, you can't use IAM credentials to authorize requests, and you can't grant IAM permissions in policies. For more information about authorization models in Amazon Cognito, see Using the Amazon Cognito native and OIDC APIs.

Request Syntax

{ "AccessToken": "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.


A non-expired access token for the user whose information you want to query.

Type: String

Pattern: [A-Za-z0-9-_=.]+

Required: Yes

Response Syntax

{ "MFAOptions": [ { "AttributeName": "string", "DeliveryMedium": "string" } ], "PreferredMfaSetting": "string", "UserAttributes": [ { "Name": "string", "Value": "string" } ], "UserMFASettingList": [ "string" ], "Username": "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.


This response parameter is no longer supported. It provides information only about SMS MFA configurations. It doesn't provide information about time-based one-time password (TOTP) software token MFA configurations. To look up information about either type of MFA configuration, use UserMFASettingList instead.

Type: Array of MFAOptionType objects


The user's preferred MFA setting.

Type: String


An array of name-value pairs representing user attributes.

For custom attributes, you must prepend the custom: prefix to the attribute name.

Type: Array of AttributeType objects


The MFA options that are activated for the user. The possible values in this list are SMS_MFA and SOFTWARE_TOKEN_MFA.

Type: Array of strings


The user name of the user you want to retrieve from the get user request.

Type: String

Length Constraints: Minimum length of 1. Maximum length of 128.

Pattern: [\p{L}\p{M}\p{S}\p{N}\p{P}]+


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


This exception is thrown when AWS WAF doesn't allow your request based on a web ACL that's associated with your user pool.

HTTP Status Code: 400


This exception is thrown when Amazon Cognito encounters an internal error.

HTTP Status Code: 500


This exception is thrown when the Amazon Cognito service encounters an invalid parameter.

HTTP Status Code: 400


This exception is thrown when a user isn't authorized.

HTTP Status Code: 400


This exception is thrown when a password reset is required.

HTTP Status Code: 400


This exception is thrown when the Amazon Cognito service can't find the requested resource.

HTTP Status Code: 400


This exception is thrown when the user has made too many requests for a given operation.

HTTP Status Code: 400


This exception is thrown when a user isn't confirmed successfully.

HTTP Status Code: 400


This exception is thrown when a user isn't found.

HTTP Status Code: 400

See Also

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