# CancelSubscription
<a name="API_CancelSubscription"></a>

Unsubscribes a user or a group from their pricing tier in an Amazon Q Business application. An unsubscribed user or group loses all Amazon Q Business feature access at the start of next month. 

## Request Syntax
<a name="API_CancelSubscription_RequestSyntax"></a>

```
DELETE /applications/applicationId/subscriptions/subscriptionId HTTP/1.1
```

## URI Request Parameters
<a name="API_CancelSubscription_RequestParameters"></a>

The request uses the following URI parameters.

 ** [applicationId](#API_CancelSubscription_RequestSyntax) **   <a name="qbusiness-CancelSubscription-request-uri-applicationId"></a>
The identifier of the Amazon Q Business application for which the subscription is being cancelled.  
Length Constraints: Fixed length of 36.  
Pattern: `[a-zA-Z0-9][a-zA-Z0-9-]{35}`   
Required: Yes

 ** [subscriptionId](#API_CancelSubscription_RequestSyntax) **   <a name="qbusiness-CancelSubscription-request-uri-subscriptionId"></a>
The identifier of the Amazon Q Business subscription being cancelled.  
Length Constraints: Minimum length of 0. Maximum length of 1224.  
Required: Yes

## Request Body
<a name="API_CancelSubscription_RequestBody"></a>

The request does not have a request body.

## Response Syntax
<a name="API_CancelSubscription_ResponseSyntax"></a>

```
HTTP/1.1 200
Content-type: application/json

{
   "currentSubscription": { 
      "type": "string"
   },
   "nextSubscription": { 
      "type": "string"
   },
   "subscriptionArn": "string"
}
```

## Response Elements
<a name="API_CancelSubscription_ResponseElements"></a>

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

The following data is returned in JSON format by the service.

 ** [currentSubscription](#API_CancelSubscription_ResponseSyntax) **   <a name="qbusiness-CancelSubscription-response-currentSubscription"></a>
The type of your current Amazon Q Business subscription.  
Type: [SubscriptionDetails](API_SubscriptionDetails.md) object

 ** [nextSubscription](#API_CancelSubscription_ResponseSyntax) **   <a name="qbusiness-CancelSubscription-response-nextSubscription"></a>
The type of the Amazon Q Business subscription for the next month.  
Type: [SubscriptionDetails](API_SubscriptionDetails.md) object

 ** [subscriptionArn](#API_CancelSubscription_ResponseSyntax) **   <a name="qbusiness-CancelSubscription-response-subscriptionArn"></a>
The Amazon Resource Name (ARN) of the Amazon Q Business subscription being cancelled.  
Type: String  
Length Constraints: Minimum length of 10. Maximum length of 1224.  
Pattern: `arn:[a-z0-9-\.]{1,63}:[a-z0-9-\.]{0,63}:[a-z0-9-\.]{0,63}:[a-z0-9-\.]{0,63}:[^/].{0,1023}` 

## Errors
<a name="API_CancelSubscription_Errors"></a>

For information about the errors that are common to all actions, see [Common Error Types](CommonErrors.md).

 ** AccessDeniedException **   
 You don't have access to perform this action. Make sure you have the required permission policies and user accounts and try again.  
HTTP Status Code: 403

 ** InternalServerException **   
An issue occurred with the internal server used for your Amazon Q Business service. Wait some minutes and try again, or contact [Support](http://aws.amazon.com/contact-us/) for help.  
HTTP Status Code: 500

 ** ResourceNotFoundException **   
The application or plugin resource you want to use doesn’t exist. Make sure you have provided the correct resource and try again.    
 ** message **   
The message describing a `ResourceNotFoundException`.  
 ** resourceId **   
The identifier of the resource affected.  
 ** resourceType **   
The type of the resource affected.
HTTP Status Code: 404

 ** ThrottlingException **   
The request was denied due to throttling. Reduce the number of requests and try again.  
HTTP Status Code: 429

 ** ValidationException **   
The input doesn't meet the constraints set by the Amazon Q Business service. Provide the correct input and try again.    
 ** fields **   
The input field(s) that failed validation.  
 ** message **   
The message describing the `ValidationException`.  
 ** reason **   
The reason for the `ValidationException`.
HTTP Status Code: 400

## See Also
<a name="API_CancelSubscription_SeeAlso"></a>

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/qbusiness-2023-11-27/CancelSubscription) 
+  [AWS SDK for .NET V4](https://docs.aws.amazon.com/goto/DotNetSDKV4/qbusiness-2023-11-27/CancelSubscription) 
+  [AWS SDK for C\$1\$1](https://docs.aws.amazon.com/goto/SdkForCpp/qbusiness-2023-11-27/CancelSubscription) 
+  [AWS SDK for Go v2](https://docs.aws.amazon.com/goto/SdkForGoV2/qbusiness-2023-11-27/CancelSubscription) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/qbusiness-2023-11-27/CancelSubscription) 
+  [AWS SDK for JavaScript V3](https://docs.aws.amazon.com/goto/SdkForJavaScriptV3/qbusiness-2023-11-27/CancelSubscription) 
+  [AWS SDK for Kotlin](https://docs.aws.amazon.com/goto/SdkForKotlin/qbusiness-2023-11-27/CancelSubscription) 
+  [AWS SDK for PHP V3](https://docs.aws.amazon.com/goto/SdkForPHPV3/qbusiness-2023-11-27/CancelSubscription) 
+  [AWS SDK for Python](https://docs.aws.amazon.com/goto/boto3/qbusiness-2023-11-27/CancelSubscription) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/qbusiness-2023-11-27/CancelSubscription)