What Does Representational State Transfer (REST) Mean?

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.

Techopedia Explains Representational State Transfer (REST)

Roy Fielding, one of the main authors of the HTTP specification, developed the REST concept in 2000 as part of his doctoral dissertation.