HTTP 502 Bad Gateway
5xx – Server error
| Status code | 502 |
|---|---|
| Reason phrase | Bad Gateway |
| Class | 5xx – Server error |
| Reference | RFC 9110 |
Frequently asked questions
What does HTTP status 502 mean?
A gateway or reverse proxy received an invalid response from the upstream server.
Is 502 an error?
Yes, a server error (5xx): the request was probably fine, but the server failed to fulfil it.
Where is HTTP 502 defined?
Status code 502 is specified in RFC 9110.