Many people claim their Web APIs and enterprise applications offer a “RESTful” interface. But merely getting by without a SOAP envelope, or tunneling all kinds of information through URIs, doesn’t magically sprinkle REST pixie dust on bad designs. This session will start with an extra-fast intro to REST before listing the most common patterns and anti-patterns of applying REST design principles, covering issues such as the (un)importance of URI design, resources vs. representations, and the role of hypermedia.