Use Cases/Smart Biometric Login
1 min read
Smart Biometric Login
One biometric every 7 days — save ReOTP costs
Overview
User logs in with biometric instead of sending WhatsApp every time, with periodic re-verification every 7 days.
Implementation
1. "Login with Biometric" button using WebAuthn API.
2. On first success: call /api/verify/init (PREDICTIVE) to bind device.
3. Store credentialId + publicKey as TrustedDevice.
4. Within 7 days: verify WebAuthn only.
5. After 7 days: re-request ReOTP.
UI/UX Guidelines
- Amber + zinc accents.
- Attractive biometric effects.
Interactive Playground
WhatsApp Linking Platform
Smart Biometric Loginbiometric • 1/3
Biometric Login
User logs in with biometric instead of sending WhatsApp every time, with periodic re-verification.