Configure OTP Notifications for MFA

To use one time passwords (OTPs) as an authentication factor, users need an Authenticator app such as:

Auth0 Guardian OTP QR code setup example

Upon signup, they can scan a code and set up the app, upon which it will begin generating one-time codes. Afterward, when logging in to the app, the user can simply check the authenticator app for the current one-time code:

Auth0 Guardian OTP Code Google example

Your user enters the code at the prompt:

Auth0 Guardian OTP Login Prompt Example

Your users will need to have an OTP Authenticator app installed on their mobile devices.

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