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OpenAI API incident

Authentication errors for some users

Resolved after 1 h.

Started
Ended
Worst state
Partial outage
On OpenAI API’s status page
Source
Components
CLI, Codex API, Codex Web, Login, VS Code extension

Live OpenAI API status Full OpenAI API outage history

Timeline

  1. OpenAI API status page · Reported Authentication errors for some users
  2. OpenAI API status page · Investigating Some users near Illinois experienced authentication errors with the API, ChatGPT, and Codex.
  3. OpenAI API 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-openai-down/incidents/openai-202610201635/

Free to quote with a link to this page.