Solving captchas on touchscreens made easy
μcaptcha is a math handwriting captcha scheme for touch-capable devices. Instead of entering text with a keyboard, you just retype a mathematical expression.
Read more about μcaptcha in our FAQ page or go straight to the API documentation for client and server side integrations.
Demo
(Note: This is a real FORM. You must answer the question below before clicking on the Submit button.)