> spectacularly wide usage There are very few JSON-based hypermedia APIs being built and the few that were are almost never used as a uniform interface. They

> spectacularly wide usage There are very few JSON-based hypermedia APIs being built and the few that were are almost never used as a uniform interface. They are treated as a normal, RTFM API. In REST-ful terms (real REST, not the "REST is JSON with hierarchical end points, kinda" sense), REST has failed spectacularly in the JSON world.