A standardised means of responding to Web API requests with formatted JSON, which includes links to aspects of the requested page

A hypermedia-driven site provides information to navigate the site's REST interfaces dynamically by including hypermedia links with the responses. This capability differs from that of SOA-based systems and WSDL-driven interfaces. With SOA, servers and clients usually must access a fixed specification that might be staged somewhere else on the website, on another website, or perhaps distributed by email.