Detect bots, VPNs, browser tampering, and suspicious behaviour with enterprise-grade accuracy.
{% columns %} {% column width="50%" %} ### Stop fraud before it costs you Built for teams who can't afford to get security wrong. Crystal-clear endpoints, proven examples, and rock-solid authentication get you from zero to protected in one commit. **Deploy fast. Sleep better.** Get started Help Center {% endcolumn %} {% column width="50%" %} {% code title="Your Frontend" overflow="wrap" %} ```javascript // frontend/guardian.ts import { loadAgent } from '@guardianstack/guardian-js'; // 1) Initialize once at app startup const guardian = await loadAgent({ siteKey: 'site_XXXXXXXX', }); // 2) Trigger an identification exactly where it matters (login, signup, checkout) const res = await guardian.get(); // 3) Extract the requestId and send it to your backend for risk evaluation const requestId = res?.requestId; ``` {% endcode %} {% code title="Your Backend" overflow="wrap" %} ```javascript // server/guardian.ts import { createGuardianClient } from '@guardianstack/guardianjs-server'; // 1) Create the server client with your secret (server-only; never expose in the browser) const guardian = createGuardianClient({ secret: 'sec_XXXXXXXX' }); // 2) Fetch the processed event by requestId (includes IP intel + detections) const event = await guardian.getEvent(requestId); // 3) Make a simple allow/deny decision based on detections const risky = Boolean( event.botDetection?.detected || event.tampering?.detected || event.virtualization?.detected || event.incognito?.detected || event.privacySettings?.detected || event.vpn?.detected ); if (risky) { /* High risk: deny or require step-up (CAPTCHA/OTP/KYC) */ } else { /* Low risk: proceed */ } ``` {% endcode %} {% endcolumn %} {% endcolumns %}Transform from integration to expertise with in-depth guides, advanced techniques, and the security patterns that keep the bad actors out and your users protected.