Using Firebase as frontend with Google Workspace as backend?

Question

The educational organization that I'm working for have for some years been using a custom built Firebase site as a Learning Management System: custom email/password authentication, access of pedagogical recources with custom built frontend exercise modules/learning games, user administration etc.

Now, this organization is to an increasing extent using Google Workspace for user administration, resource sharing etc. However, Workspace itself can't be used as a replacement for the Firebase site due to the limits in design possibilites, lack of customization of pedagogical content etc.

So, does Google Workspace provide api's that would make it possible to use it as a "backend" for a Firebase frontend?

The most basic and inportant thing is authentication/authorizaion: Users should get access to the Firebase site and its resources via their Workspace account group and membership(s) in Workspace group(s).

When it comes to content, it would be great to - apart from the custom Firebase documents/pedagogical modules - also be able to present documents/resources from associated Workspace groups.

All in all: as much as possible of user auth, user adminstration, document resources should be kept on the Workspace side, with Firebase used as a facade communicating with workspace via api's, and also providing the customization possibilites when it comes to special content not possible in the Workspace context.

How much of this can be done with the combination of Firebase and Google Workspace today? Preferrably using api calls, not by first copying/syncing database information back and forth?