Login without registration, just with a password sent to the user's email

The company I am working for is evaluating a new OTP services. The requirement to satisfy is the following: “The user is not required to be registered to enter to the customer portal, instead the OTP services provides him a one-time-password sent to his email”.

Is this possible with Auth0? Is there an alternative?

Hi @lupardev,

Welcome to the Auth0 Community!

There is quite a bit of info out there. I would suggest starting in our docs:

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