# DeletePolicyVersion
<a name="API_DeletePolicyVersion"></a>

Deletes the specified version of the specified policy. You cannot delete the default version of a policy using this action. To delete the default version of a policy, use [DeletePolicy](API_DeletePolicy.md). To find out which version of a policy is marked as the default version, use ListPolicyVersions.

Requires permission to access the [DeletePolicyVersion](https://docs.aws.amazon.com/service-authorization/latest/reference/list_awsiot.html#awsiot-actions-as-permissions) action.

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

```
DELETE /policies/policyName/version/policyVersionId HTTP/1.1
```

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

The request uses the following URI parameters.

 ** [policyName](#API_DeletePolicyVersion_RequestSyntax) **   <a name="iot-DeletePolicyVersion-request-uri-policyName"></a>
The name of the policy.  
Length Constraints: Minimum length of 1. Maximum length of 128.  
Pattern: `[\w+=,.@-]+`   
Required: Yes

 ** [policyVersionId](#API_DeletePolicyVersion_RequestSyntax) **   <a name="iot-DeletePolicyVersion-request-uri-policyVersionId"></a>
The policy version ID.  
Pattern: `[0-9]+`   
Required: Yes

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

The request does not have a request body.

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

```
HTTP/1.1 200
```

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

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

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

 ** DeleteConflictException **   
You can't delete the resource because it is attached to one or more resources.    
 ** message **   
The message for the exception.
HTTP Status Code: 409

 ** InternalFailureException **   
An unexpected error has occurred.    
 ** message **   
The message for the exception.
HTTP Status Code: 500

 ** InvalidRequestException **   
The request is not valid.    
 ** message **   
The message for the exception.
HTTP Status Code: 400

 ** ResourceNotFoundException **   
The specified resource does not exist.    
 ** message **   
The message for the exception.
HTTP Status Code: 404

 ** ServiceUnavailableException **   
The service is temporarily unavailable.    
 ** message **   
The message for the exception.
HTTP Status Code: 503

 ** ThrottlingException **   
The rate exceeds the limit.    
 ** message **   
The message for the exception.
HTTP Status Code: 400

 ** UnauthorizedException **   
You are not authorized to perform this operation.    
 ** message **   
The message for the exception.
HTTP Status Code: 401

## See Also
<a name="API_DeletePolicyVersion_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/iot-2015-05-28/DeletePolicyVersion) 
+  [AWS SDK for .NET V4](https://docs.aws.amazon.com/goto/DotNetSDKV4/iot-2015-05-28/DeletePolicyVersion) 
+  [AWS SDK for C\$1\$1](https://docs.aws.amazon.com/goto/SdkForCpp/iot-2015-05-28/DeletePolicyVersion) 
+  [AWS SDK for Go v2](https://docs.aws.amazon.com/goto/SdkForGoV2/iot-2015-05-28/DeletePolicyVersion) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/iot-2015-05-28/DeletePolicyVersion) 
+  [AWS SDK for JavaScript V3](https://docs.aws.amazon.com/goto/SdkForJavaScriptV3/iot-2015-05-28/DeletePolicyVersion) 
+  [AWS SDK for Kotlin](https://docs.aws.amazon.com/goto/SdkForKotlin/iot-2015-05-28/DeletePolicyVersion) 
+  [AWS SDK for PHP V3](https://docs.aws.amazon.com/goto/SdkForPHPV3/iot-2015-05-28/DeletePolicyVersion) 
+  [AWS SDK for Python](https://docs.aws.amazon.com/goto/boto3/iot-2015-05-28/DeletePolicyVersion) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/iot-2015-05-28/DeletePolicyVersion)