VibeCheck is the invisible, lightning-fast, and fully free captcha alternative that protects your forms without annoying your real users.
No more "select the traffic lights". VibeCheck works silently in the background analyzing behavior and trust signals.
Enterprise-grade bot protection shouldn't cost an arm and a leg. VibeCheck is totally free for everyone. No hidden fees.
Adds zero latency to your form submissions. Our edge network verifies users in milliseconds globally.
No API keys. No sign-ups. Just drop it in and vibe.
<!-- 1. Drop the script and result div directly inside your form -->
<form action="/login" method="POST">
<input type="email" name="email" placeholder="Email" />
<!-- Auto-injects hidden input: name="vibecheck-result-token" -->
<script src="https://vibecheck.petar.petrushev.u.is-my.space/api/genjs/" async defer></script>
<div class="vibecheck-result"></div>
<button type="submit">Log in</button>
</form>
<!-- 2. Verify on your server via a simple GET request -->
// GET https://vibecheck.petar.petrushev.u.is-my.space/api/verify/?token=YOUR_RECEIVED_TOKEN
<!-- 3. Get your clean JSON response -->
// { "pass": true } or { "pass": false }