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Creating SMS OTP Based Login System

Hi All,

I am trying to build an SMS OTP based login system for my application.

From what I have read, I have two options, Firebase Auth and Auth0. Which one of the two is more suitable for Bubble? Are there any other better options?

Use-cases that I want to cover are these:

  • Users should be able to login via SMS OTP, or Email, or Google/FB

  • Need to handle scenarios of user first registering/signing-in with one method and then later on signing in with other method (merging two identities etc.)


Bumping it up to catch some wise folks’ eyes.