Incident report · read from OpenAI's status page

OpenAI incident: Elevated Codex API authentication errors

Resolved after 53 m (20 Aug 2026, 16:58–17:52 UTC), impact minor, affecting Codex API.

Timeline

1. 20 Aug 2026 at 16:58 UTC identified

   Some users may encounter errors when using Codex with API authentication. We are working on implementing a mitigation.

2. 20 Aug 2026 at 17:15 UTC monitoring

   We have applied the mitigation and are monitoring the recovery.

3. 20 Aug 2026 at 17:52 UTC resolved

   All impacted services have now fully recovered.

Affected components

• Codex · Codex API: degraded for 16 m

Source

OpenAI's own report of this incident, on OpenAI's status page. This page is a record of OpenAI's own report; where the two disagree, theirs is right.

Last checked 8 Sep 2026 at 15:05 UTC.

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