HTTP 504 Gateway Timeout
5xx – Server error
| Status code | 504 |
|---|---|
| Reason phrase | Gateway Timeout |
| Class | 5xx – Server error |
| Reference | RFC 9110 |
Frequently asked questions
What does HTTP status 504 mean?
A gateway or reverse proxy did not receive a timely response from the upstream server.
Is 504 an error?
Yes, a server error (5xx): the request was probably fine, but the server failed to fulfil it.
Where is HTTP 504 defined?
Status code 504 is specified in RFC 9110.