How to build TOTP support with the Verify API and Google Authenticator

The Twilio Verify API now supports TOTP, which is a stronger authentication method compared to OTPs delivered via SMS or email. TOTPs work offline and are based on a standardized algorithm, making them suitable for use without PII and with various authenticator apps. To get started with Verify TOTP in under 5 minutes, users need a Twilio account, a Verify Service, and an authenticator app of their choice. The API creates a new TOTP Factor that connects the user (identity), the TOTP channel, and the application. Users can customize settings like code length and time step.