# ClientInfo
<a name="API_ClientInfo"></a>

Information about the client making API requests, used for compatibility checking.

## Contents
<a name="API_ClientInfo_Contents"></a>

 ** compatibilityVersion **   <a name="novaact-Type-ClientInfo-compatibilityVersion"></a>
The compatibility version of the client, used to ensure API compatibility.  
Type: Integer  
Required: Yes

 ** sdkVersion **   <a name="novaact-Type-ClientInfo-sdkVersion"></a>
The version of the SDK being used by the client.  
Type: String  
Pattern: `[\s\S]+`   
Required: No

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

For more information about using this API in one of the language-specific AWS SDKs, see the following:
+  [AWS SDK for C\$1\$1](https://docs.aws.amazon.com/goto/SdkForCpp/nova-act-2025-08-22/ClientInfo) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/nova-act-2025-08-22/ClientInfo) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/nova-act-2025-08-22/ClientInfo)