I am using the embedded login version and wish to implement the passwordless (OTP via email) approach in my backend application (Node.js) for user login. My backend is set up as a machine-to-machine application in Auth0, but I am unable to find the option to toggle on the OTP grant type in the advan…

How to login with OTP (email) via machine to machine backend app?

pedro.alexandre April 3, 2023, 7:44pm 2

Any solution for this? I’m also struggling with it.

Topic		Replies	Views
Grant type 'http://auth0.com/oauth/grant-type/passwordless/otp' not allowed for the client Get Help	9	9996	February 25, 2020
Passwordless authentication Get Help passwordless , authentication , tier1	2	4639	March 2, 2018
Passwordless Authentication grant_type error when trying to verify email otp Get Help emails , management-api	4	998	August 16, 2023
Passwordless Authentication grant type not allowed for client Get Help passwordless , grant-types , single-page-applicat	4	8849	March 11, 2020
Error! Invalid grant types: client_credentials Get Help	4	5516	April 23, 2020