# DeleteAccessPolicy
<a name="API_DeleteAccessPolicy"></a>

Deletes an access policy that grants the specified identity access to the specified Amazon IoT SiteWise Monitor resource. You can use this operation to revoke access to an Amazon IoT SiteWise Monitor resource.

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

```
DELETE /access-policies/accessPolicyId?clientToken=clientToken HTTP/1.1
```

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

The request uses the following URI parameters.

 ** [accessPolicyId](#API_DeleteAccessPolicy_RequestSyntax) **   <a name="iotsitewise-DeleteAccessPolicy-request-uri-accessPolicyId"></a>
The ID of the access policy to be deleted.  
Length Constraints: Fixed length of 36.  
Pattern: `^(?!00000000-0000-0000-0000-000000000000)[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}$`   
Required: Yes

 ** [clientToken](#API_DeleteAccessPolicy_RequestSyntax) **   <a name="iotsitewise-DeleteAccessPolicy-request-uri-clientToken"></a>
A unique case-sensitive identifier that you can provide to ensure the idempotency of the request. Don't reuse this client token if a new idempotent request is required.  
Length Constraints: Minimum length of 36. Maximum length of 64.  
Pattern: `\S{36,64}` 

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

The request does not have a request body.

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

```
HTTP/1.1 204
```

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

If the action is successful, the service sends back an HTTP 204 response with an empty HTTP body.

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

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

 ** InternalFailureException **   
 Amazon IoT SiteWise can't process your request right now. Try again later.  
HTTP Status Code: 500

 ** InvalidRequestException **   
The request isn't valid. This can occur if your request contains malformed JSON or unsupported characters. Check your request and try again.  
HTTP Status Code: 400

 ** ResourceNotFoundException **   
The requested resource can't be found.  
HTTP Status Code: 404

 ** ThrottlingException **   
Your request exceeded a rate limit. For example, you might have exceeded the number of Amazon IoT SiteWise assets that can be created per second, the allowed number of messages per second, and so on.  
For more information, see [Quotas](https://docs.amazonaws.cn/iot-sitewise/latest/userguide/quotas.html) in the * Amazon IoT SiteWise User Guide*.  
HTTP Status Code: 429

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

For more information about using this API in one of the language-specific Amazon SDKs, see the following:
+  [Amazon Command Line Interface V2](https://docs.amazonaws.cn/goto/cli2/iotsitewise-2019-12-02/DeleteAccessPolicy) 
+  [Amazon SDK for .NET V4](https://docs.amazonaws.cn/goto/DotNetSDKV4/iotsitewise-2019-12-02/DeleteAccessPolicy) 
+  [Amazon SDK for C\$1\$1](https://docs.amazonaws.cn/goto/SdkForCpp/iotsitewise-2019-12-02/DeleteAccessPolicy) 
+  [Amazon SDK for Go v2](https://docs.amazonaws.cn/goto/SdkForGoV2/iotsitewise-2019-12-02/DeleteAccessPolicy) 
+  [Amazon SDK for Java V2](https://docs.amazonaws.cn/goto/SdkForJavaV2/iotsitewise-2019-12-02/DeleteAccessPolicy) 
+  [Amazon SDK for JavaScript V3](https://docs.amazonaws.cn/goto/SdkForJavaScriptV3/iotsitewise-2019-12-02/DeleteAccessPolicy) 
+  [Amazon SDK for Kotlin](https://docs.amazonaws.cn/goto/SdkForKotlin/iotsitewise-2019-12-02/DeleteAccessPolicy) 
+  [Amazon SDK for PHP V3](https://docs.amazonaws.cn/goto/SdkForPHPV3/iotsitewise-2019-12-02/DeleteAccessPolicy) 
+  [Amazon SDK for Python](https://docs.amazonaws.cn/goto/boto3/iotsitewise-2019-12-02/DeleteAccessPolicy) 
+  [Amazon SDK for Ruby V3](https://docs.amazonaws.cn/goto/SdkForRubyV3/iotsitewise-2019-12-02/DeleteAccessPolicy)