# DescribePublisher
<a name="API_DescribePublisher"></a>

Returns information about a CloudFormation extension publisher.

If you don't supply a `PublisherId`, and you have registered as an extension publisher, `DescribePublisher` returns information about your own publisher account.

For more information about registering as a publisher, see:
+  [RegisterPublisher](https://docs.amazonaws.cn/AWSCloudFormation/latest/APIReference/API_RegisterPublisher.html) 
+  [Publishing extensions to make them available for public use](https://docs.amazonaws.cn/cloudformation-cli/latest/userguide/publish-extension.html) in the * Amazon CloudFormation Command Line Interface (CLI) User Guide* 

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

 For information about the parameters that are common to all actions, see [Common Parameters](CommonParameters.md).

 ** PublisherId **   
The ID of the extension publisher.  
If you don't supply a `PublisherId`, and you have registered as an extension publisher, `DescribePublisher` returns information about your own publisher account.  
Type: String  
Length Constraints: Minimum length of 1. Maximum length of 40.  
Pattern: `[0-9a-zA-Z]{12,40}`   
Required: No

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

The following elements are returned by the service.

 ** IdentityProvider **   
The type of account used as the identity provider when registering this publisher with CloudFormation.  
Type: String  
Valid Values: `AWS_Marketplace | GitHub | Bitbucket` 

 ** PublisherId **   
The ID of the extension publisher.  
Type: String  
Length Constraints: Minimum length of 1. Maximum length of 40.  
Pattern: `[0-9a-zA-Z]{12,40}` 

 ** PublisherProfile **   
The URL to the publisher's profile with the identity provider.  
Type: String  
Length Constraints: Maximum length of 1024.  
Pattern: `(http:|https:)+[^\s]+[\w]` 

 ** PublisherStatus **   
Whether the publisher is verified. Currently, all registered publishers are verified.  
Type: String  
Valid Values: `VERIFIED | UNVERIFIED` 

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

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

 ** CFNRegistry **   
An error occurred during a CloudFormation registry operation.    
 ** Message **   
A message with details about the error that occurred.
HTTP Status Code: 400

## See Also
<a name="API_DescribePublisher_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/cloudformation-2010-05-15/DescribePublisher) 
+  [Amazon SDK for .NET V4](https://docs.amazonaws.cn/goto/DotNetSDKV4/cloudformation-2010-05-15/DescribePublisher) 
+  [Amazon SDK for C\$1\$1](https://docs.amazonaws.cn/goto/SdkForCpp/cloudformation-2010-05-15/DescribePublisher) 
+  [Amazon SDK for Go v2](https://docs.amazonaws.cn/goto/SdkForGoV2/cloudformation-2010-05-15/DescribePublisher) 
+  [Amazon SDK for Java V2](https://docs.amazonaws.cn/goto/SdkForJavaV2/cloudformation-2010-05-15/DescribePublisher) 
+  [Amazon SDK for JavaScript V3](https://docs.amazonaws.cn/goto/SdkForJavaScriptV3/cloudformation-2010-05-15/DescribePublisher) 
+  [Amazon SDK for Kotlin](https://docs.amazonaws.cn/goto/SdkForKotlin/cloudformation-2010-05-15/DescribePublisher) 
+  [Amazon SDK for PHP V3](https://docs.amazonaws.cn/goto/SdkForPHPV3/cloudformation-2010-05-15/DescribePublisher) 
+  [Amazon SDK for Python](https://docs.amazonaws.cn/goto/boto3/cloudformation-2010-05-15/DescribePublisher) 
+  [Amazon SDK for Ruby V3](https://docs.amazonaws.cn/goto/SdkForRubyV3/cloudformation-2010-05-15/DescribePublisher)