2FA methods supported by Fly.io
Adding two-factor authentication is one of the most effective ways to protect your Fly.io account. With TOTP support, you can generate Fly.io verification codes directly in the Authenticator App.
Authenticator app (TOTP)
Fly.io 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.
Fly.io 2FA — Frequently asked questions
Does Fly.io support an authenticator app?
Yes. Fly.io 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 Fly.io support?
Fly.io currently supports: Authenticator app (TOTP).
Is it free to generate Fly.io codes with the Authenticator App?
Yes. The Authenticator App is free to download, and generating Fly.io verification codes does not require an account or sign-up.
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