Interactive Demo
Try gkCAPTCHA
Experience our AI-resistant CAPTCHA widget. Configure options and see how it works in real-time.
Configuration
Customize the widget appearance and behavior
User interacts with a visible checkbox to initiate verification.
<script src="https://gkcaptcha.gatekeeper.sa/widget/gk-captcha.js"></script>
<div
id="captcha"
data-sitekey="your-site-key"
data-mode="checkbox"
data-theme="auto"
data-language="en"
data-size="normal"
></div>Live Preview
This is how the widget appears to your users
What Just Happened?
During verification, the widget collected behavioral signals, computed a proof-of-work challenge, and generated a secure token.
80+
Signals analyzed
SHA-256
Proof-of-work challenge
6
Detection layers
Start protecting your forms today
Ready to Protect Your Site?
Get started in minutes with our easy-to-use widget.