2FA methods supported by Perimeter 81
Adding two-factor authentication is one of the most effective ways to protect your Perimeter 81 account. With TOTP support, you can generate Perimeter 81 verification codes directly in the Authenticator App.
SMS
Perimeter 81 can send a one-time verification code to your phone via text message.
Authenticator app (TOTP)
Perimeter 81 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
Perimeter 81 offers its own companion app for approving sign-ins.
Security key (U2F)
Perimeter 81 works with hardware security keys using the U2F/FIDO standard.
Phone call
Perimeter 81 can call your phone and read out a verification code.
Hardware 2FA is only available via Duo.
Perimeter 81 2FA — Frequently asked questions
Does Perimeter 81 support an authenticator app?
Yes. Perimeter 81 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 Perimeter 81 support?
Perimeter 81 currently supports: SMS, Authenticator app (TOTP), Proprietary app, Security key (U2F), Phone call.
Is it free to generate Perimeter 81 codes with the Authenticator App?
Yes. The Authenticator App is free to download, and generating Perimeter 81 verification codes does not require an account or sign-up.
More Security services that support 2FA
This page is for educational purposes only. We are not affiliated with or endorsed by Perimeter 81. All trademarks and product names are the property of their respective owners and are used solely for identification.