# DeleteHostKey


Deletes the host key that's specified in the `HostKeyId` parameter.

## Request Syntax


```
{
   "HostKeyId": "string",
   "ServerId": "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.

 ** [HostKeyId](#API_DeleteHostKey_RequestSyntax) **   <a name="TransferFamily-DeleteHostKey-request-HostKeyId"></a>
The identifier of the host key that you are deleting.  
Type: String  
Length Constraints: Fixed length of 25.  
Pattern: `hostkey-[0-9a-f]{17}`   
Required: Yes

 ** [ServerId](#API_DeleteHostKey_RequestSyntax) **   <a name="TransferFamily-DeleteHostKey-request-ServerId"></a>
The identifier of the server that contains the host key that you are deleting.  
Type: String  
Length Constraints: Fixed length of 19.  
Pattern: `s-([0-9a-f]{17})`   
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).

 ** InternalServiceError **   
This exception is thrown when an error occurs in the AWS Transfer Family service.  
HTTP Status Code: 500

 ** InvalidRequestException **   
This exception is thrown when the client submits a malformed request.  
HTTP Status Code: 400

 ** ResourceNotFoundException **   
This exception is thrown when a resource is not found by the AWSTransfer Family service.  
HTTP Status Code: 400

 ** ServiceUnavailableException **   
The request has failed because the AWSTransfer Family service is not available.  
HTTP Status Code: 500

 ** ThrottlingException **   
The request was denied due to request throttling.  
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/transfer-2018-11-05/DeleteHostKey) 
+  [AWS SDK for .NET V4](https://docs.aws.amazon.com/goto/DotNetSDKV4/transfer-2018-11-05/DeleteHostKey) 
+  [AWS SDK for C\$1\$1](https://docs.aws.amazon.com/goto/SdkForCpp/transfer-2018-11-05/DeleteHostKey) 
+  [AWS SDK for Go v2](https://docs.aws.amazon.com/goto/SdkForGoV2/transfer-2018-11-05/DeleteHostKey) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/transfer-2018-11-05/DeleteHostKey) 
+  [AWS SDK for JavaScript V3](https://docs.aws.amazon.com/goto/SdkForJavaScriptV3/transfer-2018-11-05/DeleteHostKey) 
+  [AWS SDK for Kotlin](https://docs.aws.amazon.com/goto/SdkForKotlin/transfer-2018-11-05/DeleteHostKey) 
+  [AWS SDK for PHP V3](https://docs.aws.amazon.com/goto/SdkForPHPV3/transfer-2018-11-05/DeleteHostKey) 
+  [AWS SDK for Python](https://docs.aws.amazon.com/goto/boto3/transfer-2018-11-05/DeleteHostKey) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/transfer-2018-11-05/DeleteHostKey)