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Amazon Cognito Identity Provider
API Reference (API Version 2016-04-18)

ListUsers

Lists the users in the Amazon Cognito user pool.

Request Syntax

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{ "AttributesToGet": [ "string" ], "Filter": "string", "Limit": number, "PaginationToken": "string", "UserPoolId": "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.

AttributesToGet

An array of strings, where each string is the name of a user attribute to be returned for each user in the search results. If the array is empty, all attributes are returned.

Type: Array of strings

Length Constraints: Minimum length of 1. Maximum length of 32.

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

Required: No

Filter

A filter string of the form "AttributeName Filter-Type "AttributeValue"". Quotation marks within the filter string must be escaped using the backslash (\) character. For example, "family_name = \"Reddy\"".

  • AttributeName: The name of the attribute to search for. You can only search for one attribute at a time.

  • Filter-Type: For an exact match, use =, for example, "given_name = \"Jon\"". For a prefix ("starts with") match, use ^=, for example, "given_name ^= \"Jon\"".

  • AttributeValue: The attribute value that must be matched for each user.

If the filter string is empty, ListUsers returns all users in the user pool.

You can only search for the following standard attributes:

  • username (case-sensitive)

  • email

  • phone_number

  • name

  • given_name

  • family_name

  • preferred_username

  • cognito:user_status (called Enabled in the Console) (case-sensitive)

  • status (case-insensitive)

Custom attributes are not searchable.

For more information, see Searching for Users Using the ListUsers API and Examples of Using the ListUsers API in the Amazon Cognito Developer Guide.

Type: String

Length Constraints: Maximum length of 256.

Required: No

Limit

Maximum number of users to be returned.

Type: Integer

Valid Range: Minimum value of 0. Maximum value of 60.

Required: No

PaginationToken

An identifier that was returned from the previous call to this operation, which can be used to return the next set of items in the list.

Type: String

Length Constraints: Minimum length of 1.

Pattern: [\S]+

Required: No

UserPoolId

The user pool ID for the user pool on which the search should be performed.

Type: String

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

Pattern: [\w-]+_[0-9a-zA-Z]+

Required: Yes

Response Syntax

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{ "PaginationToken": "string", "Users": [ { "Attributes": [ { "Name": "string", "Value": "string" } ], "Enabled": boolean, "MFAOptions": [ { "AttributeName": "string", "DeliveryMedium": "string" } ], "UserCreateDate": number, "UserLastModifiedDate": number, "Username": "string", "UserStatus": "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.

PaginationToken

An identifier that was returned from the previous call to this operation, which can be used to return the next set of items in the list.

Type: String

Length Constraints: Minimum length of 1.

Pattern: [\S]+

Users

The users returned in the request to list users.

Type: Array of UserType objects

Errors

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

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

NotAuthorizedException

This exception is thrown when a user is not authorized.

HTTP Status Code: 400

ResourceNotFoundException

This exception is thrown when the Amazon Cognito service cannot 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

See Also

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