---
set: 5
code: 504
title: Gateway Timeout
references:
    "Rails HTTP Status Symbol": ":gateway_timeout"
---

The server, while acting as a gateway or proxy, did not receive a timely
response from an upstream server it needed to access in order to complete the
request.

---

* Source: [RFC7231 Section 6.6.5][1]

[1]: <http://tools.ietf.org/html/rfc7231#section-6.6.5>