# UntagResource
<a name="API_UntagResource"></a>

Removes one or more tags from an ACM resource.

**Note**  
Use this action for all ACM resource types except the `certificate` resource type. For certificate resources, use [RemoveTagsFromCertificate](API_RemoveTagsFromCertificate.md) instead.

To add one or more tags, use the [TagResource](API_TagResource.md) action. To view all of the tags that have been applied to a resource, use the [ListTagsForResource](API_ListTagsForResource.md) action.

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

```
{
   "ResourceArn": "{{string}}",
   "TagKeys": [ "{{string}}" ]
}
```

## Request Parameters
<a name="API_UntagResource_RequestParameters"></a>

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.

 ** [ResourceArn](#API_UntagResource_RequestSyntax) **   <a name="ACM-UntagResource-request-ResourceArn"></a>
The ARN of the ACM resource from which the tag is to be removed.  
Type: String  
Length Constraints: Minimum length of 20. Maximum length of 2048.  
Pattern: `arn:[\w+=/,.@-]+:acm:[\w+=/,.@-]*:[0-9]+:[\w+=,.@-]+(/[\w+=,.@-]+)*`   
Required: Yes

 ** [TagKeys](#API_UntagResource_RequestSyntax) **   <a name="ACM-UntagResource-request-TagKeys"></a>
The key of each tag to remove.  
Type: Array of strings  
Array Members: Minimum number of 1 item. Maximum number of 50 items.  
Length Constraints: Minimum length of 1. Maximum length of 128.  
Pattern: `([\p{L}\p{Z}\p{N}_.:/=+\-@]*)`   
Required: Yes

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

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

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

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

 ** ResourceNotFoundException **   
The specified certificate cannot be found in the caller's account or the caller's account cannot be found.  
HTTP Status Code: 400

 ** ValidationException **   
The supplied input failed to satisfy constraints of an AWS service.  
HTTP Status Code: 400

## See Also
<a name="API_UntagResource_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/acm-2015-12-08/UntagResource) 
+  [AWS SDK for .NET V4](https://docs.aws.amazon.com/goto/DotNetSDKV4/acm-2015-12-08/UntagResource) 
+  [AWS SDK for C\+\+](https://docs.aws.amazon.com/goto/SdkForCpp/acm-2015-12-08/UntagResource) 
+  [AWS SDK for Go v2](https://docs.aws.amazon.com/goto/SdkForGoV2/acm-2015-12-08/UntagResource) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/acm-2015-12-08/UntagResource) 
+  [AWS SDK for JavaScript V3](https://docs.aws.amazon.com/goto/SdkForJavaScriptV3/acm-2015-12-08/UntagResource) 
+  [AWS SDK for Kotlin](https://docs.aws.amazon.com/goto/SdkForKotlin/acm-2015-12-08/UntagResource) 
+  [AWS SDK for PHP V3](https://docs.aws.amazon.com/goto/SdkForPHPV3/acm-2015-12-08/UntagResource) 
+  [AWS SDK for Python](https://docs.aws.amazon.com/goto/boto3/acm-2015-12-08/UntagResource) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/acm-2015-12-08/UntagResource)