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5xx · Server Error

504Gateway Timeout

The server, while acting as a gateway, did not receive a timely response from an upstream server.

What is HTTP 504?

The 504 Gateway Timeout means a server acting as a gateway didn't receive a timely response from an upstream server. Similar to 502 but specifically for timeouts rather than invalid responses.

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Common Use Cases

  • Slow database queries
  • Upstream API timeout
  • Long-running computations exceeding proxy timeout

Quick Facts

Code504
Category5xx
TypeServer Error

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