"Import option or
mass create or self-registration or via API?"
sound more appropriate for a web panel application rather than a server application.
The difference the web panel persons are responsible for the folder(directory or structure) assigned with
so you imagine some one messing up an import,you either would be getting a lot of calls or a corrupted database
The most usual user function of the api is get
whilst post and put are internal and require elevated permission and authentication
Therefore there would more than likely not be a self registration
Might be wrong but maybe you could request the feature
It looks like you're new here. If you want to get involved, click one of these buttons!