# APIKeySummary
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Information for a single API key. 

API keys are required for the integration of the CAPTCHA API in your JavaScript client applications. The API lets you customize the placement and characteristics of the CAPTCHA puzzle for your end users. For more information about the CAPTCHA JavaScript integration, see [Amazon WAF client application integration](https://docs.amazonaws.cn/waf/latest/developerguide/waf-application-integration.html) in the * Amazon WAF Developer Guide*.

## Contents
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 ** APIKey **   <a name="WAF-Type-APIKeySummary-APIKey"></a>
The generated, encrypted API key. You can copy this for use in your JavaScript CAPTCHA integration.   
Type: String  
Length Constraints: Minimum length of 1. Maximum length of 2048.  
Pattern: `.*\S.*`   
Required: No

 ** CreationTimestamp **   <a name="WAF-Type-APIKeySummary-CreationTimestamp"></a>
The date and time that the key was created.   
Type: Timestamp  
Required: No

 ** TokenDomains **   <a name="WAF-Type-APIKeySummary-TokenDomains"></a>
The token domains that are defined in this API key.   
Type: Array of strings  
Length Constraints: Minimum length of 1. Maximum length of 253.  
Pattern: `^[\w\.\-/]+$`   
Required: No

 ** Version **   <a name="WAF-Type-APIKeySummary-Version"></a>
Internal value used by Amazon WAF to manage the key.   
Type: Integer  
Valid Range: Minimum value of 0.  
Required: No

## See Also
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For more information about using this API in one of the language-specific Amazon SDKs, see the following:
+  [Amazon SDK for C\+\+](https://docs.amazonaws.cn/goto/SdkForCpp/wafv2-2019-07-29/APIKeySummary) 
+  [Amazon SDK for Java V2](https://docs.amazonaws.cn/goto/SdkForJavaV2/wafv2-2019-07-29/APIKeySummary) 
+  [Amazon SDK for Ruby V3](https://docs.amazonaws.cn/goto/SdkForRubyV3/wafv2-2019-07-29/APIKeySummary)