Request Syntax Request Parameters Response Elements Errors See Also

ChangePassword

Changes the password for a specified user in a user pool.

Authorize this action with a signed-in user's access token. It must include the scope aws.cognito.signin.user.admin.

Note

Amazon Cognito doesn't evaluate AWS Identity and Access Management (IAM) policies in requests for 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 user pools API and user pool endpoints.

Request Syntax


{
   "AccessToken": "string",
   "PreviousPassword": "string",
   "ProposedPassword": "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.

AccessToken

A valid access token that Amazon Cognito issued to the user whose password you want to change.

Type: String

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

Required: Yes

PreviousPassword

The user's previous password. Required if the user has a password. If the user has no password and only signs in with passwordless authentication options, you can omit this parameter.

Type: String

Length Constraints: Maximum length of 256.

Pattern: [\S]+

Required: No

ProposedPassword

The new password.

Type: String

Length Constraints: Maximum length of 256.

Pattern: [\S]+

Required: Yes

Response Elements

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

Errors

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

ForbiddenException

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

InternalErrorException

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

HTTP Status Code: 500

InvalidParameterException

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

HTTP Status Code: 400

InvalidPasswordException

This exception is thrown when Amazon Cognito encounters an invalid password.

HTTP Status Code: 400

LimitExceededException

This exception is thrown when a user exceeds the limit for a requested AWS resource.

HTTP Status Code: 400

NotAuthorizedException

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

HTTP Status Code: 400

PasswordHistoryPolicyViolationException

The message returned when a user's new password matches a previous password and doesn't comply with the password-history policy.

HTTP Status Code: 400

PasswordResetRequiredException

This exception is thrown when a password reset is required.

HTTP Status Code: 400

ResourceNotFoundException

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

HTTP Status Code: 400

TooManyRequestsException

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

HTTP Status Code: 400

UserNotConfirmedException

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

HTTP Status Code: 400

UserNotFoundException

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

HTTP Status Code: 400