203
Non-Authoritative Information
Success (2xx)·RFC 9110
What 203 means
The returned metadata differs from the origin server’s — usually altered by a proxy.
The response is a transformed copy (e.g. by a transforming proxy) rather than the exact origin response.
Success (2xx)
The request was successfully received, understood and accepted.
Other 2xx codes
FAQ — 203
What does HTTP 203 mean?
203 Non-Authoritative Information: The returned metadata differs from the origin server’s — usually altered by a proxy. The response is a transformed copy (e.g. by a transforming proxy) rather than the exact origin response.
Which class does status code 203 belong to?
203 is a Success (2xx) code. The request was successfully received, understood and accepted.
Where is the 203 code defined?
Status code 203 is defined in RFC 9110 and is part of the IANA HTTP Status Code Registry.