API for cloud-stored Sketchup for web models

Does an API exist to retrieve cloud-stored Sketchup for Web models? Maybe with OAuth? I want a user to select a cloud-based model, where a script can extract all faces with their tags and total surfaces to automate import in another program.

Check here:

Thank you for the tip! But I’m afraid it looks too limited for my use case.
The tags created are not connected to the layers (everything is connected to Layer0). It only sees the group as one big object, and you can’t extract faces with tags and surface areas.

Original with tagged faces: