Yandex SmartCaptcha

• Getting started

  Set up the first widget and check the user

• Step-by-step instructions

  Instructions on how to perform routine operations

• Widget installation methods

  Learn about the methods to add SmartCaptcha to your site

• Invisible CAPTCHA

  Show the CAPTCHA only for queries that the service considers suspicious

• CAPTCHA in React

  React package to work with SmartCaptcha

• Quotas and limits

  Technical and organizational limitations of the service

• Pricing policy

  Service pricing and cost calculations

• Demo page

  See how SmartCaptcha works