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418 I'm a teapot

The HTTP 418 I'm a teapot client error response code indicates that the server refuses to brew coffee because it is a teapot. This error is a reference of Hyper Text Coffee Pot Control Protocol which was an April Fools' joke in 1998.

Status

418 I'm a teapot

Specifications

Specification Title
RFC 2324, section 2.3.2: 418 I'm a teapot Hyper Text Coffee Pot Control Protocol (HTCPCP/1.0): Semantics and Content

Browser compatibility

No compatibility data found. Please contribute data for "http.status.418" (depth: 1) to the MDN compatibility data repository.

See also

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https://developer.mozilla.org/en-US/docs/Web/HTTP/Status/418