We're currently experiencing high demand, which may cause temporary errors.
Resolved 💬 8 comments Opened Mar 18, 2026 by intelix Closed Mar 19, 2026
💡 Likely answer: A maintainer (github-actions[bot], contributor)
responded on this thread — see the highlighted reply below.
What issue are you seeing?
For the last 40 minutes (first attempt around 8:55, now 9:38am AEST) I was not able to run a single codex request.
Falling back from WebSockets to HTTPS transport. We're currently experiencing high demand, which may cause temporary errors.
We're currently experiencing high demand, which may cause temporary errors.
unexpected status 503 Service Unavailable: upstream connect error or disconnect/reset before headers. reset reason: connection termination, url: https://chatgpt.com/backend-api/codex/responses, cf-ray: 9de79b9bfc6fa962-SYD
What steps can reproduce the bug?
any prompt
What is the expected behavior?
_No response_
Additional information
_No response_
8 Comments
Potential duplicates detected. Please review them and close your issue if it is a duplicate.
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im having the same issue - New Zealand based, not 1 request answered
same issue here in Aus
Thanks for reporting. The Codex team is working on diagnosing.
mine seems to be back online and working now
There was one cluster that was in an unhealthy state. This is now mitigated.
我刚刚也经历了一模一样的情况
Estou com o mesmo problema, hoje 14/07/2026