# DeleteUserPoolClient


Deletes a user pool app client. After you delete an app client, users can no longer sign in to the associated application.

## Request Syntax


```
{
   "ClientId": "string",
   "UserPoolId": "string"
}
```

## Request Parameters


For information about the parameters that are common to all actions, see [Common Parameters](CommonParameters.md).

The request accepts the following data in JSON format.

 ** [ClientId](#API_DeleteUserPoolClient_RequestSyntax) **   <a name="CognitoUserPools-DeleteUserPoolClient-request-ClientId"></a>
The ID of the user pool app client that you want to delete.  
Type: String  
Length Constraints: Minimum length of 1. Maximum length of 128.  
Pattern: `[\w+]+`   
Required: Yes

 ** [UserPoolId](#API_DeleteUserPoolClient_RequestSyntax) **   <a name="CognitoUserPools-DeleteUserPoolClient-request-UserPoolId"></a>
The ID of the user pool where you want to delete the client.  
Type: String  
Length Constraints: Minimum length of 1. Maximum length of 55.  
Pattern: `[\w-]+_[0-9a-zA-Z]+`   
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 Error Types](CommonErrors.md).

 ** ConcurrentModificationException **   
This exception is thrown if two or more modifications are happening concurrently.    
 ** message **   
The message provided when the concurrent exception is thrown.
HTTP Status Code: 400

 ** InternalErrorException **   
This exception is thrown when Amazon Cognito encounters an internal error.    
 ** message **   
The message returned when Amazon Cognito throws an internal error exception.
HTTP Status Code: 500

 ** InvalidParameterException **   
This exception is thrown when the Amazon Cognito service encounters an invalid parameter.    
 ** message **   
The message returned when the Amazon Cognito service throws an invalid parameter exception.  
 ** reasonCode **   
The reason code of the exception.
HTTP Status Code: 400

 ** NotAuthorizedException **   
This exception is thrown when a user isn't authorized.    
 ** message **   
The message returned when the Amazon Cognito service returns a not authorized exception.
HTTP Status Code: 400

 ** ResourceNotFoundException **   
This exception is thrown when the Amazon Cognito service can't find the requested resource.    
 ** message **   
The message returned when the Amazon Cognito service returns a resource not found exception.
HTTP Status Code: 400

 ** TooManyRequestsException **   
This exception is thrown when the user has made too many requests for a given operation.    
 ** message **   
The message returned when the Amazon Cognito service returns a too many requests exception.
HTTP Status Code: 400

## Examples


### Example


The following example request deletes the user pool client with ID `1example23456789` from user pool `us-west-2_EXAMPLE`.

#### Sample Request


```
POST HTTP/1.1
Host: cognito-idp.us-west-2.amazonaws.com
X-Amz-Date: 20230613T200059Z
Accept-Encoding: gzip, deflate, br
X-Amz-Target: AWSCognitoIdentityProviderService.DeleteUserPoolClient
User-Agent: <UserAgentString>
Authorization: AWS4-HMAC-SHA256 Credential=<Credential>, SignedHeaders=<Headers>, Signature=<Signature>
Content-Length: <PayloadSizeBytes>
{
   "ClientId": "1example23456789",
   "UserPoolId": "us-west-2_EXAMPLE"
}
```

## See Also


For more information about using this API in one of the language-specific AWS SDKs, see the following:
+  [AWS Command Line Interface V2](https://docs.aws.amazon.com/goto/cli2/cognito-idp-2016-04-18/DeleteUserPoolClient) 
+  [AWS SDK for .NET V4](https://docs.aws.amazon.com/goto/DotNetSDKV4/cognito-idp-2016-04-18/DeleteUserPoolClient) 
+  [AWS SDK for C\$1\$1](https://docs.aws.amazon.com/goto/SdkForCpp/cognito-idp-2016-04-18/DeleteUserPoolClient) 
+  [AWS SDK for Go v2](https://docs.aws.amazon.com/goto/SdkForGoV2/cognito-idp-2016-04-18/DeleteUserPoolClient) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/cognito-idp-2016-04-18/DeleteUserPoolClient) 
+  [AWS SDK for JavaScript V3](https://docs.aws.amazon.com/goto/SdkForJavaScriptV3/cognito-idp-2016-04-18/DeleteUserPoolClient) 
+  [AWS SDK for Kotlin](https://docs.aws.amazon.com/goto/SdkForKotlin/cognito-idp-2016-04-18/DeleteUserPoolClient) 
+  [AWS SDK for PHP V3](https://docs.aws.amazon.com/goto/SdkForPHPV3/cognito-idp-2016-04-18/DeleteUserPoolClient) 
+  [AWS SDK for Python](https://docs.aws.amazon.com/goto/boto3/cognito-idp-2016-04-18/DeleteUserPoolClient) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/cognito-idp-2016-04-18/DeleteUserPoolClient)