How would it be more convenient for services to implement user registration with selection through a third-party resource?

Question

IT education

The bottom line is this: we are thinking of creating a service that would verify students and schoolchildren when they provide documents.
As a result, get a base that can be given to services like Microsoft Office or Dropbox (as it is now done with .edu mail) for preferential access to products.

We think how it can be implemented more conveniently for services?
Also by mail? The simplest API?

Answer 1

Try to implement Oauth authorization through yourself - it will be convenient for both clients and services.
By the way, how do you plan to gain confidence in yourself?