What is HATEOAS? HATEOAS stands for Hypermedia as the Engine of Application State which is a constraint of the REST application architecture. REST APIs has no service definition and no formal documentation. The best REST APIs don't need any documentation. Just like websites have navigation from one page to another, REST APIs are able to do the same using HATEOAS. In HATEOAS the response will carry links that provide links as to where to find the related resources. This will let clients know all the things they can do with the received response and make the response navigable. Eg: An user object may contain the URI to itself. { " name " : " John Doe " , " links " : [ { " rel " : " self " , " href " : " http://localhost:8080/users/1 " } ] } 'rel' attribute here defines the relationship. If we take a status object of a particular social network site, it could...