The webinar was stopped abruptly. I’ve skimmed through the documentation and pyorbit.py, now I seem to understand how it works. Athera uses HTTP RESTful JSON API, OAuth2 authentication and a generated JWT token in request headers, as I understand it. Yet Orbit runs an HTTP server locally and has its own JSON API.
P.S. As for authentication, I had an experience with both, we were using plain JWT tokens in GET requests and passed it as an encrypted get-parameter and in another project we used OAuth for a Russian universal authentication system alongside with regular social networks. I had to write a backend manually because there were no third-party solutions for that system. So I understand that some may find it confusing if they decide to write an in-house GUI utility on top of Athera API.