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Hypertext Transfer Protocol

The stateless request-response protocol of the web: a method and URL with headers and an optional body go out, a status code with headers and body comes back. Status classes (2xx success, 4xx client error, 5xx server error) and headers carry the semantics everything above relies on.

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The HTTP Request-Response Exchange and Its Methods in Web Communication

HTTP (HyperText Transfer Protocol) is an application-layer protocol — a predefined set of rules enabling computers to communicate and coordinate — that governs data exchange on the World Wide Web thr…