// REFERENCE
502 Bad Gateway
Class: 5xx
An intermediate server (reverse proxy, load balancer) got an invalid response from the backend. Causes: the app is down, overloaded or misconfigured. Check the service behind the proxy.
Related tools
Work with this in:
Related
500
500 Internal Server Error 501
501 Not Implemented 503
503 Service Unavailable 504
504 Gateway Timeout 505
505 HTTP Version Not Supported 511
511 Network Authentication Required
500 Internal Server Error 501
501 Not Implemented 503
503 Service Unavailable 504
504 Gateway Timeout 505
505 HTTP Version Not Supported 511
511 Network Authentication Required
Semantics per RFC 9110 and the IANA status code registry. Educational content.