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418 I’m a teapot

developer.mozilla.org Reference Documentation & references Web & internet Class of 2024-10 Hall of Fame
Screenshot of developer.mozilla.org captured 2026-07-20
Page preview · captured 2026-07-20

Resurfaced independently across 5 calendar years, with breakout response in 3 of them.

submissions
9
submitters
9
observed span
2018–2024
peak thread · 189 comments
255 pts
latest 20+ return · 2024-10-28
255 pts

Submission timeline

2007–2026

One slot for every year since HN launched. Height is that year's peak points; orange marks a 100+ point or 50+ comment breakout. Select a bar to open its strongest thread.

First comments on top threads

HN comment order

If you are bored you can read the discussion when _mnot_ tried removing 418 status code from different languages and implementations because it wasn't technically correct. https://github.com/nodejs/node/issues/14644 https://github.com/golang/go/issues/21326 And someone even ended up making a website http://save418.com/

0x00cl·255-point thread·

Many years ago, some person misconfigured their squid proxy and was hitting https://jsonip.com to the point my server at the time was turning green in the gills. I started responding with 418 "You are a tea kettle" or something like that to those specific requests. The originating dev actually paid attention to their error messages and quickly resolved their config issue. Fast forward to March this year. Some fucking numb nuts a-hole decided to add jsonip.com to an EXTREMELY widely…

geuis·206-point thread·

For those who may not know, this comes from RFC 2324: ""Hyper Text Coffee Pot Control Protocol (HTCPCP/1.0), The RFC was published 1 April 1998 (April Fool's Day). There's a long history of humorous RFCs published on 1 April. For example, RFC 1149 "IP over Avian Carriers" https://en.wikipedia.org/wiki/IP_over_Avian_Carriers List of Additional April Fool's RFCs https://en.wikipedia.org/wiki/April_Fools%27_Day_Request_for...

Seems an odd link to choose...considering how old this is, why not just post the RFC instead? https://tools.ietf.org/html/rfc2324 While we're on the subject though, I'm in early planning for a replacement controller for my Keurig 250 (if I were using a RPi, I'd call it the Pig 250, but it'll likely be a different board) -- I'm excited to actually get HTCPCP in something real; thoughts on practical implementation?

petee·54-point thread·

The first top-level comment from each of the four biggest threads, in HN’s own order. Excerpts are shortened; open a comment for full context.

Breakout years
3

100+ points or 50+ comments

Total points
750

reference only — not used in Hall rules or ranking

Total comments
484

reference only — not used in Hall rules or ranking

Every submission

DateTitle as submittedByPointsComments
2018-01-31418 I'm a teapotdavesque10
2018-05-08Http 418 “I`m a teapot” status codessijak10
2018-07-31HTTP 418 I'm a Teapotserenesravan5439
2020-02-02HTTP 418: I'm a Teapotc0restraint369
2021-06-27HTTP 418 – I'm a tea potfabiospampinato20
2021-09-15HTTP Status 418 – I'm a teapotFirst breakoutevo_9193107
2023-05-05HTTP 418 I'm a Teapotmattrighetti21
2023-05-26[418] I'm a TeapotSirAllCaps206189
2024-10-28418 I’m a teapotHall induction · Best thread · Latest 20+ point returncsomar255139