<ul><li>REST is an architectural style for distributed systems, focusing on scalability, simplicity, and statelessness.</li><li>One of the key constraints introduced by Fielding for REST is HATEOAS (Hypermedia as the Engine of Application State).</li><li>HATEOAS mandates that a REST API must provide clients with hypermedia controls to interact with the application dynamically.</li><li>Without HATEOAS, an API might not be considered truly RESTful, as it should be hypertext-driven for flexibility and evolvability.</li></ul>

REST APIs Must Be Hypertext-Driven

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