HTTP 415 Unsupported Media Type vs 418 I'm a Teapot
Both HTTP 415 (Unsupported Media Type) and 418 (I'm a Teapot) belong to the 4xx Client Error category. 415 indicates that the server refuses to accept the request because the Content-Type is not supported. Meanwhile, 418 means that any attempt to brew coffee with a teapot should result in this error. An April Fools' joke from 1998 that became a beloved part of HTTP culture.
Description
The server refuses to accept the request because the Content-Type is not supported.
When You See It
When sending JSON to an endpoint that only accepts XML, or missing the Content-Type header.
How to Fix
Set the correct Content-Type header matching the data format you're sending.
Description
Any attempt to brew coffee with a teapot should result in this error. An April Fools' joke from 1998 that became a beloved part of HTTP culture.
When You See It
As an Easter egg on some websites, or when a server humorously refuses a request.
How to Fix
Use a coffee pot instead of a teapot. Or just enjoy the joke.
Key Differences
HTTP 415: The server refuses to accept the request because the Content-Type is not supported.
HTTP 418: Any attempt to brew coffee with a teapot should result in this error. An April Fools' joke from 1998 that became a beloved part of HTTP culture.
You encounter 415 when when sending JSON to an endpoint that only accepts XML, or missing the Content-Type header.
You encounter 418 when as an Easter egg on some websites, or when a server humorously refuses a request.
When to Use Which
For 415 (Unsupported Media Type): Set the correct Content-Type header matching the data format you're sending. For 418 (I'm a Teapot): Use a coffee pot instead of a teapot. Or just enjoy the joke.