2FA methods supported by Google Chat
Adding two-factor authentication is one of the most effective ways to protect your Google Chat account. With TOTP support, you can generate Google Chat verification codes directly in the Authenticator App.
SMS
Google Chat can send a one-time verification code to your phone via text message.
Phone call
Google Chat can call your phone and read out a verification code.
Authenticator app (TOTP)
Google Chat lets you use time-based one-time passwords, so you can generate verification codes in an authenticator app on your device — no network or SMS needed.
Proprietary app
Google Chat offers its own companion app for approving sign-ins.
Security key (U2F)
Google Chat works with hardware security keys using the U2F/FIDO standard.
Google Chat 2FA — Frequently asked questions
Does Google Chat support an authenticator app?
Yes. Google Chat supports time-based one-time passwords (TOTP), so you can add it to the Authenticator App and generate verification codes right on your device.
Which two-factor authentication methods does Google Chat support?
Google Chat currently supports: SMS, Phone call, Authenticator app (TOTP), Proprietary app, Security key (U2F).
Is it free to generate Google Chat codes with the Authenticator App?
Yes. The Authenticator App is free to download, and generating Google Chat verification codes does not require an account or sign-up.
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