Whatsapp Zero Tap Flutter #

Autofill OTPs using WhatsApp's Zero Tap for Android devices

API Reference #

• 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.