[ehutch79]

My backend take a 'fields' parameter, I use it mostly in list views.

My backend has nested models. I can request the line_items field and get that list along with the root object, submit it back with added fields easily.

[dgorges]

That sounds pretty much like what Vulcain [1] is doing for you on top of an existing REST API.

[1] https://github.com/dunglas/vulcain