# GetAuthorizationToken
<a name="API_GetAuthorizationToken"></a>

Retrieves an authorization token. An authorization token represents your IAM authentication credentials. You can use it to access any Amazon ECR registry that your IAM principal has access to. The authorization token is valid for 12 hours. This API requires the `ecr-public:GetAuthorizationToken` and `sts:GetServiceBearerToken` permissions.

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

```
{
   "authorizationData": { 
      "authorizationToken": "string",
      "expiresAt": number
   }
}
```

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

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

The following data is returned in JSON format by the service.

 ** [authorizationData](#API_GetAuthorizationToken_ResponseSyntax) **   <a name="ecrpublic-GetAuthorizationToken-response-authorizationData"></a>
An authorization token data object that corresponds to a public registry.  
Type: [AuthorizationData](API_AuthorizationData.md) object

## Errors
<a name="API_GetAuthorizationToken_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.  
HTTP Status Code: 400

 ** ServerException **   
These errors are usually caused by a server-side issue.  
HTTP Status Code: 500

 ** UnsupportedCommandException **   
The action isn't supported in this Region.  
HTTP Status Code: 400

## See Also
<a name="API_GetAuthorizationToken_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-public-2020-10-30/GetAuthorizationToken) 
+  [Amazon SDK for .NET V4](https://docs.amazonaws.cn/goto/DotNetSDKV4/ecr-public-2020-10-30/GetAuthorizationToken) 
+  [Amazon SDK for C\+\+](https://docs.amazonaws.cn/goto/SdkForCpp/ecr-public-2020-10-30/GetAuthorizationToken) 
+  [Amazon SDK for Go v2](https://docs.amazonaws.cn/goto/SdkForGoV2/ecr-public-2020-10-30/GetAuthorizationToken) 
+  [Amazon SDK for Java V2](https://docs.amazonaws.cn/goto/SdkForJavaV2/ecr-public-2020-10-30/GetAuthorizationToken) 
+  [Amazon SDK for JavaScript V3](https://docs.amazonaws.cn/goto/SdkForJavaScriptV3/ecr-public-2020-10-30/GetAuthorizationToken) 
+  [Amazon SDK for Kotlin](https://docs.amazonaws.cn/goto/SdkForKotlin/ecr-public-2020-10-30/GetAuthorizationToken) 
+  [Amazon SDK for PHP V3](https://docs.amazonaws.cn/goto/SdkForPHPV3/ecr-public-2020-10-30/GetAuthorizationToken) 
+  [Amazon SDK for Python](https://docs.amazonaws.cn/goto/boto3/ecr-public-2020-10-30/GetAuthorizationToken) 
+  [Amazon SDK for Ruby V3](https://docs.amazonaws.cn/goto/SdkForRubyV3/ecr-public-2020-10-30/GetAuthorizationToken)