Roadmap

Where this is heading: extending verified-email sign-in with OTP step-up over native messaging channels — proving possession of the phone number behind the account, not just control of the inbox.

Planned

Google RCS OTP

Android

Phone-number one-time passcodes delivered over RCS, so Android users complete the possession step-up in their native messaging app.

Planned

Apple Messages for Business OTP

iOS

A real Apple Messages for Business integration for OTP delivery and explicit user intent on iPhone.

The walkthrough's secure step-up already simulates this flow today.

Planned

WhatsApp OTP

Android & iOS

Phone-number one-time passcodes delivered over WhatsApp for cross-platform reach, including markets where WhatsApp is the default messenger.