I’ve written and talked extensively about Hypermedia APIs for about a decade. The HATEOAS constraints in representing resources for a RESTful API has numerous advantages in API design, readability, discoverability, and performance over a hand-rolled REST API. Unfortunately, adoption of Hypermedia APIs is very low compared to, for example GraphQL, but I find the implementation a lot simpler and continue adding Hypermedia APIs to my pet projects.
