Modern Bot Detection Techniques
Discover how advanced bot detection systems work, from behavioral analysis to machine learning algorithms. Learn what makes rCAPTCHA different from traditional solutions.
Read More100% free, unlimited verifications. You never pay a dime. Perfect for any site, any scale.
Works with MagicAuth so verified users can move toward passkeys and seamless login across websites in the Rewarders network.
Served from Cloudflare Pages as a static frontend, with verification handled by the Laravel API host.
Click the checkbox below to see rCAPTCHA in action!
<!-- Include RCaptcha widget -->
<script src="https://rcaptcha.app/embed.js"></script>
<div class="rcaptcha"
data-service="your-site"
data-callback="onRcaptchaVerified">
</div>POST https://api.rcaptcha.app/rcaptcha/verify
Verify a widget completion from your backend. Keep this server-side so your site can trust the result before creating a session or accepting a sensitive action.
curl -X POST https://api.rcaptcha.app/rcaptcha/verify \
-H "Content-Type: application/json" \
-d '{"publisher_id":123,"solution":"verified","ad_loaded":true,"solve_time_ms":1800,"timestamp":1760000000000}'Start protecting your site today. rCAPTCHA is free and does not pay webmasters for verifications.
Forever Free
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Learn about bot detection, CAPTCHA technology, and online security
Discover how advanced bot detection systems work, from behavioral analysis to machine learning algorithms. Learn what makes rCAPTCHA different from traditional solutions.
Read MoreTraditional CAPTCHAs frustrate users with distorted text and endless image puzzles. Learn how modern solutions like rCAPTCHA improve both security and UX.
Read MoreUnlike traditional CAPTCHAs that rely on image recognition, behavioral analysis examines how users interact with verification challenges to distinguish humans from bots.
Read MoreTry the demo above and get your free API key instantly via email!
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