Knowing how REST APIs work is incredibly important when building a site. Let's learn about them in this lesson.

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Now that you know an API is just a structured way to get data or software/hardware services from a system, let’s see what a REST API is. REST stands for REpresentational State Transfer. It’s an architecture style for distributed hypermedia systems, and it was a part of Roy Fielding’s thesis, which is why the name seems complex even though the underlying concept isn’t.

A ‘RESTful API’ is an API that follows the six guiding REST principles. In recent years, REST has emerged as the standard architectural design for web services and web APIs.

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