Standalone CAPTCHA
Best for forms, downloads, comments, and other actions that only need bot verification.
Add bot verification to forms, downloads, comments, and other sensitive actions without adding an auth provider.
rCAPTCHA stays focused on verification. For passwordless email login protected by rCAPTCHA, use MagicAuth.app.
Served from Cloudflare Pages as a static frontend, with verification handled securely.
Standalone verification for forms, or a combined CAPTCHA and MagicAuth login flow for account access.
Best for forms, downloads, comments, and other actions that only need bot verification.
Passwordless Email Logins with rCAPTCHA Protection! Click here to go to MagicAuth.app
<!-- Generate this from your rCAPTCHA dashboard for each approved site -->
<iframe
src="https://rcaptcha.app/widget-combined.html?site_key=YOUR_SITE_KEY&service=rcaptcha&mode=standalone"
style="width: 322px; height: 220px; border: 0; overflow: hidden;"
scrolling="no"
loading="lazy"
title="rCAPTCHA verification">
</iframe>
POST https://api.rcaptcha.app/rcaptcha/verify
Verify a widget completion from your backend with the site key generated in your dashboard. Keep this server-side so your site can trust the result before creating a session or accepting a sensitive action.
Start on the tiny free testing tier, then choose a paid plan for live usage. If you need authentication too, use MagicAuth.app for passwordless email login protected by rCAPTCHA.
100 verifications, 1 site
Need enterprise features or custom solutions? Contact us
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.
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