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

Deletes specified tags from a resource.

## 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.

 ** [resourceArn](#API_UntagResource_RequestSyntax) **   <a name="ECR-UntagResource-request-resourceArn"></a>
The Amazon Resource Name (ARN) of the resource from which to remove tags. Currently, the only supported resource is an Amazon ECR repository.  
Type: String  
Required: Yes

 ** [tagKeys](#API_UntagResource_RequestSyntax) **   <a name="ECR-UntagResource-request-tagKeys"></a>
The keys of the tags to be removed.  
Type: Array of strings  
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).

 ** InvalidParameterException **   
The specified parameter is invalid. Review the available parameters for the API request.    
 ** message **   
The error message associated with the exception.
HTTP Status Code: 400

 ** InvalidTagParameterException **   
An invalid parameter has been specified. Tag keys can have a maximum character length of 128 characters, and tag values can have a maximum length of 256 characters.  
HTTP Status Code: 400

 ** RepositoryNotFoundException **   
The specified repository could not be found. Check the spelling of the specified repository and ensure that you are performing operations on the correct registry.    
 ** message **   
The error message associated with the exception.
HTTP Status Code: 400

 ** ServerException **   
These errors are usually caused by a server-side issue.    
 ** message **   
The error message associated with the exception.
HTTP Status Code: 500

 ** TooManyTagsException **   
The list of tags on the repository is over the limit. The maximum number of tags that can be applied to a repository is 50.  
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 Amazon SDKs, see the following:
+  [Amazon Command Line Interface V2](https://docs.amazonaws.cn/goto/cli2/ecr-2015-09-21/UntagResource) 
+  [Amazon SDK for .NET V4](https://docs.amazonaws.cn/goto/DotNetSDKV4/ecr-2015-09-21/UntagResource) 
+  [Amazon SDK for C\$1\$1](https://docs.amazonaws.cn/goto/SdkForCpp/ecr-2015-09-21/UntagResource) 
+  [Amazon SDK for Go v2](https://docs.amazonaws.cn/goto/SdkForGoV2/ecr-2015-09-21/UntagResource) 
+  [Amazon SDK for Java V2](https://docs.amazonaws.cn/goto/SdkForJavaV2/ecr-2015-09-21/UntagResource) 
+  [Amazon SDK for JavaScript V3](https://docs.amazonaws.cn/goto/SdkForJavaScriptV3/ecr-2015-09-21/UntagResource) 
+  [Amazon SDK for Kotlin](https://docs.amazonaws.cn/goto/SdkForKotlin/ecr-2015-09-21/UntagResource) 
+  [Amazon SDK for PHP V3](https://docs.amazonaws.cn/goto/SdkForPHPV3/ecr-2015-09-21/UntagResource) 
+  [Amazon SDK for Python](https://docs.amazonaws.cn/goto/boto3/ecr-2015-09-21/UntagResource) 
+  [Amazon SDK for Ruby V3](https://docs.amazonaws.cn/goto/SdkForRubyV3/ecr-2015-09-21/UntagResource)