HTTP status codes
The 31 HTTP status codes worth knowing, from 100 Continue to 504 Gateway Timeout, both ways: each code's name, then each name's code. On the back, its family and when a server sends it. Names per RFC 9110.
- 62 cards
- 5 topics
- Free
The outline, topic by topic
Each topic is weighted the way the exam weighs it.
- 1xx · Informational
- 2xx · Success
- 3xx · Redirection
- 4xx · Client error
- 5xx · Server error
A few cards from the deck
HTTP status 100
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Continue
1xx · Informational. The server received the headers: the client may send the body.
HTTP status 101
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Switching Protocols
1xx · Informational. The server switches protocols, for example to WebSocket.
HTTP status 200
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OK
2xx · Success. The request succeeded.
HTTP status 201
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Created
2xx · Success. A resource was created, often after a POST.
HTTP status 202
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Accepted
2xx · Success. The request is accepted, but its processing is not finished.
HTTP status 204
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No Content
2xx · Success. Success, with no response body.