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Codex outage

unexpected status 404 Not Found: Unknown error, url: https://chatgpt.com/backend-api/codex/responses, cf-ray: ... · Issue #28756 · openai/codex

github.com

September 3, 2026

1 min read

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Summary

- Notifications You must be signed in to change notification settings - Fork 18.6k unexpected status 404 Not Found: Unknown error, url: https://chatgpt.com/backend-api/codex/responses, cf-ray: ... #28756 Description EDIT: To everyone here, the solution was actually reasonably simple, just follow these instructions. What version of the Codex App are you using (From “About Codex” dialog)? 26.611.617...

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