2FA methods supported by Blizzard/Battle.net
Adding two-factor authentication is one of the most effective ways to protect your Blizzard/Battle.net account. With TOTP support, you can generate Blizzard/Battle.net verification codes directly in the Authenticator App.
SMS
Blizzard/Battle.net can send a one-time verification code to your phone via text message.
Proprietary app
Blizzard/Battle.net offers its own companion app for approving sign-ins.
Blizzard/Battle.net 2FA — Frequently asked questions
Does Blizzard/Battle.net support an authenticator app?
Yes. Blizzard/Battle.net 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 Blizzard/Battle.net support?
Blizzard/Battle.net currently supports: SMS, Proprietary app.
Is it free to generate Blizzard/Battle.net codes with the Authenticator App?
Yes. The Authenticator App is free to download, and generating Blizzard/Battle.net verification codes does not require an account or sign-up.
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