DescribeUserPool - Amazon Cognito User Pools
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Returns the configuration information and metadata of the specified user pool.


Amazon Cognito evaluates Amazon Identity and Access Management (IAM) policies in requests for this API operation. For this operation, you must use IAM credentials to authorize requests, and you must grant yourself the corresponding IAM permission in a policy.

Request Syntax

{ "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.


The user pool ID for the user pool you want to describe.

Type: String

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

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

Required: Yes

Response Syntax

{ "UserPool": { "AccountRecoverySetting": { "RecoveryMechanisms": [ { "Name": "string", "Priority": number } ] }, "AdminCreateUserConfig": { "AllowAdminCreateUserOnly": boolean, "InviteMessageTemplate": { "EmailMessage": "string", "EmailSubject": "string", "SMSMessage": "string" }, "UnusedAccountValidityDays": number }, "AliasAttributes": [ "string" ], "Arn": "string", "AutoVerifiedAttributes": [ "string" ], "CreationDate": number, "CustomDomain": "string", "DeletionProtection": "string", "DeviceConfiguration": { "ChallengeRequiredOnNewDevice": boolean, "DeviceOnlyRememberedOnUserPrompt": boolean }, "Domain": "string", "EmailConfiguration": { "ConfigurationSet": "string", "EmailSendingAccount": "string", "From": "string", "ReplyToEmailAddress": "string", "SourceArn": "string" }, "EmailConfigurationFailure": "string", "EmailVerificationMessage": "string", "EmailVerificationSubject": "string", "EstimatedNumberOfUsers": number, "Id": "string", "LambdaConfig": { "CreateAuthChallenge": "string", "CustomEmailSender": { "LambdaArn": "string", "LambdaVersion": "string" }, "CustomMessage": "string", "CustomSMSSender": { "LambdaArn": "string", "LambdaVersion": "string" }, "DefineAuthChallenge": "string", "KMSKeyID": "string", "PostAuthentication": "string", "PostConfirmation": "string", "PreAuthentication": "string", "PreSignUp": "string", "PreTokenGeneration": "string", "PreTokenGenerationConfig": { "LambdaArn": "string", "LambdaVersion": "string" }, "UserMigration": "string", "VerifyAuthChallengeResponse": "string" }, "LastModifiedDate": number, "MfaConfiguration": "string", "Name": "string", "Policies": { "PasswordPolicy": { "MinimumLength": number, "RequireLowercase": boolean, "RequireNumbers": boolean, "RequireSymbols": boolean, "RequireUppercase": boolean, "TemporaryPasswordValidityDays": number } }, "SchemaAttributes": [ { "AttributeDataType": "string", "DeveloperOnlyAttribute": boolean, "Mutable": boolean, "Name": "string", "NumberAttributeConstraints": { "MaxValue": "string", "MinValue": "string" }, "Required": boolean, "StringAttributeConstraints": { "MaxLength": "string", "MinLength": "string" } } ], "SmsAuthenticationMessage": "string", "SmsConfiguration": { "ExternalId": "string", "SnsCallerArn": "string", "SnsRegion": "string" }, "SmsConfigurationFailure": "string", "SmsVerificationMessage": "string", "Status": "string", "UserAttributeUpdateSettings": { "AttributesRequireVerificationBeforeUpdate": [ "string" ] }, "UsernameAttributes": [ "string" ], "UsernameConfiguration": { "CaseSensitive": boolean }, "UserPoolAddOns": { "AdvancedSecurityMode": "string" }, "UserPoolTags": { "string" : "string" }, "VerificationMessageTemplate": { "DefaultEmailOption": "string", "EmailMessage": "string", "EmailMessageByLink": "string", "EmailSubject": "string", "EmailSubjectByLink": "string", "SmsMessage": "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.


The container of metadata returned by the server to describe the pool.

Type: UserPoolType object


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


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 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 pool tag can't be set or updated.

HTTP Status Code: 400

See Also

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