Table Of Contents


User Guide

First time using the AWS CLI? See the User Guide for help getting started.

[ aws . cognito-identity ]



Registers (or retrieves) a Cognito identity-id and an OpenID Connect token for a user authenticated by your backend authentication process. Supplying multiple logins will create an implicit linked account. You can only specify one developer provider as part of the Logins map, which is linked to the identity pool. The developer provider is the "domain" by which Cognito will refer to your users.

You can use get-open-id-token-for-developer-identity to create a new identity and to link new logins (that is, user credentials issued by a public provider or developer provider) to an existing identity. When you want to create a new identity, the identity-id should be null. When you want to associate a new login with an existing authenticated/unauthenticated identity, you can do so by providing the existing identity-id . This API will create the identity in the specified identity-pool-id .

You must use AWS Developer credentials to call this API.

See also: AWS API Documentation


--identity-pool-id <value>
[--identity-id <value>]
--logins <value>
[--token-duration <value>]
[--cli-input-json <value>]
[--generate-cli-skeleton <value>]


--identity-pool-id (string)

An identity pool ID in the format REGION:GUID.

--identity-id (string)

A unique identifier in the format REGION:GUID.

--logins (map)

A set of optional name-value pairs that map provider names to provider tokens. Each name-value pair represents a user from a public provider or developer provider. If the user is from a developer provider, the name-value pair will follow the syntax "developer_provider_name": "developer_user_identifier" . The developer provider is the "domain" by which Cognito will refer to your users; you provided this domain while creating/updating the identity pool. The developer user identifier is an identifier from your backend that uniquely identifies a user. When you create an identity pool, you can specify the supported logins.

Shorthand Syntax:


JSON Syntax:

{"string": "string"

--token-duration (long)

The expiration time of the token, in seconds. You can specify a custom expiration time for the token so that you can cache it. If you don't provide an expiration time, the token is valid for 15 minutes. You can exchange the token with Amazon STS for temporary AWS credentials, which are valid for a maximum of one hour. The maximum token duration you can set is 24 hours. You should take care in setting the expiration time for a token, as there are significant security implications: an attacker could use a leaked token to access your AWS resources for the token's duration.

--cli-input-json (string) Performs service operation based on the JSON string provided. The JSON string follows the format provided by --generate-cli-skeleton. If other arguments are provided on the command line, the CLI values will override the JSON-provided values.

--generate-cli-skeleton (string) Prints a JSON skeleton to standard output without sending an API request. If provided with no value or the value input, prints a sample input JSON that can be used as an argument for --cli-input-json. If provided with the value output, it validates the command inputs and returns a sample output JSON for that command.


IdentityId -> (string)

A unique identifier in the format REGION:GUID.

Token -> (string)

An OpenID token.