# Hateoas HATEOAS is an acronym for Hypermedia As The Engine Of Application State, it's the concept that when sending information over a RESTful API the document received should contain everything the client needs in order to parse and use the data i.e they don't have to contact any other endpoint not explicitly mentioned within the Document Free Content Oktane17: Designing Beautiful REST + JSON APIs (3:56 - 5:57)