Stop friendly fraud
before authorization.
Sentinel scores every checkout on how it was performed, not just what was entered. Keystroke dynamics, mouse motion, form hesitation, and device biometrics — fused into a single risk score in under 40 ms.
Seven signals. One verdict.
Flight time, dwell time, and typing rhythm deviation vs. the user baseline.
Trajectory smoothness, jitter, and speed vs. the account's historical profile.
Pauses per field, backtracking, and card-number field time.
Grip angle, pressure, and stroke geometry on mobile devices.
Detects pasted card data — the strongest predictor of stolen credentials.
Country mismatch across IP, billing address, and merchant of record.
Session cadence and device-account pairing history.
Fused similarity to the enrolled biometric template for the user.
A 4KB browser SDK records typing, mouse, and touch signals during checkout.
POST /api/v1/verify-behavior returns risk score, status, and flagged reasons in <40ms.
Approve, step-up, or block. Every decision streams live into your dashboard.