Codex incident
Authentication errors for some users
Resolved after 1 h.
- Started
- Ended
- Worst state
- Partial outage
- On Codex’s status page
- Source
- Components
- CLI, Codex API, Codex Web, Login, VS Code extension
Timeline
- Codex status page · Reported Authentication errors for some users
- Codex status page · Investigating Some users near Illinois experienced authentication errors with the API, ChatGPT, and Codex.
- Codex status page · Resolved On October 20, from 9:35 to 10:35 a.m. PDT, some users near Illinois experienced authentication errors with the API, ChatGPT, and Codex. We rolled back a configuration change, and service was restored.
Cite this incident
Site Qwality, “Authentication errors for some users,” Oct 20, 2026, https://siteqwality.com/is-codex-down/incidents/codex-202610201635/
Free to quote with a link to this page.