The trouble with HATEOAS is that it requires extra work on the client. The client is supposed to start at the root of the API, request URLs, and cache them. Getting the data one wants requires multiple HTTP calls, many of which are supposed to be cached.

I tried implementing this and found it toilsome. It was far easier to use versioned URLs that followed a documented pattern.

When I checked about three years ago there wasn’t much in the open source community that I could build atop for clients. I also didn’t want to maintain an SDK client in addition to the API itself.