Whatsapp Zero Tap Flutter

Autofill OTPs using WhatsApp's Zero Tap for Android devices

API Reference

• Initialize: wa = WhatsappZeroTap()

• Future<bool> isWhatsAppInstalled(): Returns whether WhatsApp is installed on the device.

• Future<bool> isWhatsAppOtpHandshakeSupported(): Checks if the current device supports WhatsApp OTP handshakes.

• Future<String?> listenForOTP({required Duration timeout}): Initiates a zero-tap OTP fetch flow from WhatsApp. Throws a platform exception if OTP is not received within timeout.

Note: Call listenForOTP before sending the whatsapp message to avoid race conditions.

Demo:

https://github.com/user-attachments/assets/ccd1e8ef-6d6d-4c35-9716-042b3a77b76b