Passwordless Authentication Methods on Auth0 - Auth0 Docs

With connections, users can log in without a password. Instead, they can use a variety of other authentication methods. Auth0 Passwordless connections support the following authentication methods:

Factor	Description
Email	The user is asked to enter their email address, to which Auth0 sends a one-time-use code. The user enters the code into your application.
Magic Link	The user is asked to enter their email address, to which Auth0 sends an email with a link in it. The user clicks the link and is directly logged in to your application.
SMS	The user is asked to enter their phone number, to which Auth0 sends a one-time-use code. By default, Auth0 uses Twilio to send the code, but if you have a custom SMS gateway, you can modify your connection to use that instead.

Passwordless Authentication on Auth0

Passwordless Authentication with Email

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