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curl -v -H 'Expect: 100-continue' -T bigfile.bin https://example.com/uploadNotes
A client can continue sending the request body after the initial headers.
HTTP 1xx Informational Status Codes
Informational responses like 100 Continue and 103 Early Hints.
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HTTP 1xx Informational Status Codes
Informational responses like 100 Continue and 103 Early Hints.
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curl -i -N -H 'Connection: Upgrade' -H 'Upgrade: websocket' https://example.com/socketNotes
Used when a client requests a protocol switch, such as upgrading to WebSocket.
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PROPFIND /webdav/resource HTTP/1.1Notes
Historically used to indicate long-running processing before a final response.
HTTP 103 Early Hints
Preliminary headers before the final response
textANYhttpstatus-code1xxhttp-103
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HTTP/1.1 103 Early Hints
Link: </app.css>; rel=preload; as=styleNotes
Can be used to send hints, such as preload links, before the final response arrives.
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Server error responses like 500, 502, 503, and 504.
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Client error responses like 400, 401, 403, 404, 409, 422, and 429.
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Redirection responses like 301, 302, 307, and 308.
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Successful responses like 200 OK, 201 Created, and 204 No Content.
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