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Yandex SmartCaptcha
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  1. Step-by-step guides
  2. Obtaining the keys

Obtaining CAPTCHA keys

Written by
Yandex Cloud
Updated at May 15, 2026

In this section, you will learn how to get CAPTCHA keys. The client key allows you to add a SmartCaptcha widget to your page. The server key is required for user response verification.

Management console
API
  1. In the management console, select a folder.

  2. Navigate to SmartCaptcha.

  3. Click the name of an existing CAPTCHA or create a new one.

  4. In the Overview tab, copy the Client key and Server key values.

    step4-get-keys

To get the server key, use the GetSecretKey REST API method for the Captcha resource or the CaptchaService/GetSecretKey gRPC API call.

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© 2026 Direct Cursus Technology L.L.C.