I'd love to point out that in a strictly RESTful design, your client is supposed to be discovering the data model from queries, not embedding it in code. Ergo d

I'd love to point out that in a strictly RESTful design, your client is supposed to be discovering the data model from queries, not embedding it in code. Ergo data and schema migrations should be no trouble at all. Not sure I understand how any other approach to provisioning an data API is going to be able to avoid requiring a data model.