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Drawer: Client errors (4xx)
The fault lies with the asker — says the server.
11 curiosities on this page
- HTP-013 402 Payment Required Reserved for a future with money on the web — for almost three decades. Client errors (4xx) uncommon
- HTP-014 407 Proxy Authentication Required The middleman's 401: it is the proxy demanding credentials, not the site. Client errors (4xx) uncommon
- HTP-015 410 Gone The honest sibling of 404: it existed, it was removed for good — stop looking. Client errors (4xx) uncommon
- HTP-016 418 I'm a teapot The teapot that refuses to brew coffee — the 1998 joke that became heritage. Client errors (4xx) uncommon
- HTP-017 421 Misdirected Request Right door, wrong house: this connection does not serve that domain. Client errors (4xx) uncommon
- HTP-018 425 Too Early Too soon: the server will not risk processing a request that might be a replay. Client errors (4xx) forgotten
- HTP-019 426 Upgrade Required I only answer in another protocol — and the Upgrade header says which. Client errors (4xx) forgotten
- HTP-020 428 Precondition Required No If-Match, no deal: the code that prevents the lost update. Client errors (4xx) uncommon
- HTP-021 429 Too Many Requests Slow down: the rate limit burst, and Retry-After says when to come back. Client errors (4xx) common
- HTP-022 431 Request Header Fields Too Large The headers did not fit — almost always a cookie that grew too much. Client errors (4xx) uncommon
- HTP-023 451 Unavailable For Legal Reasons Censorship with a receipt: blocked by legal demand, and the number honors Bradbury. Client errors (4xx) uncommon