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Representational state transfer (REST) is a distributed system framework that uses Web protocols and technologies. The REST architecture involves client and server interactions built around the transfer of resources. The Web is the largest REST implementation.
Systems that conform to REST principles are referred to as RESTful.
Roy Fielding, one of the main authors of the HTTP specification, developed the REST concept in 2000 as part of his doctoral dissertation.
REST may be used to capture website data through interpreting extensible markup language (XML) Web page files with the desired data. In addition, online publishers use REST when providing syndicated content to users by activating Web page content and XML statements. Users may access the Web page through the website's URL, read the XML file with a Web browser, and interpret and use data as needed.
Basic REST constraints include: