# CancelChannelHandshake


Cancels a pending channel handshake request.

## Request Syntax


```
{
   "catalog": "string",
   "identifier": "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.

**Note**  
In the following list, the required parameters are described first.

 ** [catalog](#API_channel_CancelChannelHandshake_RequestSyntax) **   <a name="AWSPartnerCentral-channel_CancelChannelHandshake-request-catalog"></a>
The catalog identifier for the handshake request.  
Type: String  
Length Constraints: Minimum length of 1. Maximum length of 64.  
Pattern: `[a-zA-Z]*`   
Required: Yes

 ** [identifier](#API_channel_CancelChannelHandshake_RequestSyntax) **   <a name="AWSPartnerCentral-channel_CancelChannelHandshake-request-identifier"></a>
The unique identifier of the channel handshake to cancel.  
Type: String  
Length Constraints: Minimum length of 16. Maximum length of 1011.  
Pattern: `(arn:[a-z-]+:partnercentral:[a-z0-9-]+:[0-9]{12}:catalog/[a-zA-Z]+/channel-handshake/)?ch-[a-z0-9]{13}`   
Required: Yes

## Response Syntax


```
{
   "channelHandshakeDetail": { 
      "arn": "string",
      "id": "string",
      "status": "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.

 ** [channelHandshakeDetail](#API_channel_CancelChannelHandshake_ResponseSyntax) **   <a name="AWSPartnerCentral-channel_CancelChannelHandshake-response-channelHandshakeDetail"></a>
Details of the canceled channel handshake.  
Type: [CancelChannelHandshakeDetail](API_channel_CancelChannelHandshakeDetail.md) object

## Errors


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

 ** AccessDeniedException **   
The request was denied due to insufficient permissions.    
 ** message **   
A message describing the access denial.  
 ** reason **   
The reason for the access denial.
HTTP Status Code: 400

 ** InternalServerException **   
An internal server error occurred while processing the request.    
 ** message **   
A message describing the internal server error.
HTTP Status Code: 500

 ** ResourceNotFoundException **   
The specified resource was not found.    
 ** message **   
A message describing the resource not found error.  
 ** resourceId **   
The identifier of the resource that was not found.  
 ** resourceType **   
The type of the resource that was not found.
HTTP Status Code: 400

 ** ThrottlingException **   
The request was throttled due to too many requests being sent in a short period.    
 ** message **   
A message describing the throttling error.  
 ** quotaCode **   
The quota code associated with the throttling error.  
 ** serviceCode **   
The service code associated with the throttling error.
HTTP Status Code: 400

 ** ValidationException **   
The request failed validation due to invalid input parameters.    
 ** fieldList **   
A list of fields that failed validation.  
 ** message **   
A message describing the validation error.  
 ** reason **   
The reason for the validation failure.
HTTP Status Code: 400

## 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/partnercentral-channel-2024-03-18/CancelChannelHandshake) 
+  [AWS SDK for .NET V4](https://docs.aws.amazon.com/goto/DotNetSDKV4/partnercentral-channel-2024-03-18/CancelChannelHandshake) 
+  [AWS SDK for C\$1\$1](https://docs.aws.amazon.com/goto/SdkForCpp/partnercentral-channel-2024-03-18/CancelChannelHandshake) 
+  [AWS SDK for Go v2](https://docs.aws.amazon.com/goto/SdkForGoV2/partnercentral-channel-2024-03-18/CancelChannelHandshake) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/partnercentral-channel-2024-03-18/CancelChannelHandshake) 
+  [AWS SDK for JavaScript V3](https://docs.aws.amazon.com/goto/SdkForJavaScriptV3/partnercentral-channel-2024-03-18/CancelChannelHandshake) 
+  [AWS SDK for Kotlin](https://docs.aws.amazon.com/goto/SdkForKotlin/partnercentral-channel-2024-03-18/CancelChannelHandshake) 
+  [AWS SDK for PHP V3](https://docs.aws.amazon.com/goto/SdkForPHPV3/partnercentral-channel-2024-03-18/CancelChannelHandshake) 
+  [AWS SDK for Python](https://docs.aws.amazon.com/goto/boto3/partnercentral-channel-2024-03-18/CancelChannelHandshake) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/partnercentral-channel-2024-03-18/CancelChannelHandshake)