Biometric Authentication

Prompt for native hardware biometrics (Fingerprint / FaceID / TouchID) to authenticate sensitive actions like payments, account access, or data viewing.

Check Biometric Availability

Verify if the device has biometric hardware and enrolled credentials:

import nativine from 'nativine';

const { available, biometryType } = await nativine.biometrics.isAvailable();
// biometryType -> 'fingerprint', 'face', or 'iris'

Prompt Authentication

Show the native biometric prompt with a custom reason string:

import nativine from 'nativine';

const { success } = await nativine.biometrics.authenticate({ reason: 'Authorize Transaction' });

Return Value

• success — true if authentication passed, false if user cancelled or failed.