Front desk · HTTP Status Codes
2×× Success
203 Non-Authoritative Information
· filed 2026-07-18 · click a code to copy
HTTP 203 Non-Authoritative Information is a success-class status code defined in RFC9110. The response was modified by a transforming proxy from the origin server's 200 response.
Success responses confirm the request was received, understood and accepted. On the wire, the response begins with the status line HTTP/1.1 203 Non-Authoritative Information.