Codex down due to 401 backend key error
Components
Regions
Codex down due to 401 backend key error OpenAI provides the API, ChatGPT, embeddings, images, and related AI services that many applications call directly.
resolved · 25 Sep 2026, 23:54 UTC
All impacted services have now fully recovered.
monitoring · 25 Sep 2026, 23:45 UTC
We have applied the mitigation and are monitoring the recovery.
identified · 25 Sep 2026, 23:34 UTC
We have identified root cause and are moving towards mitigation.
identified · 25 Sep 2026, 23:19 UTC
Login via API key will unblock access at this time.
identified · 25 Sep 2026, 23:03 UTC
We have identified that users are experiencing elevated errors for the impacted services. We are working on implementing a mitigation.
identified · 25 Sep 2026, 22:58 UTC
We have identified that users are experiencing a codex outage. We have identified the internal issue and are heading towards a mitigation.
5
Related incidents
55m
This incident
41m
Avg. resolution time
Slower
vs. average
If your product depends on OpenAI, elevated errors during this window often come from upstream, not from your latest commit.
Open official status pageBe the first to know when we launch Pro alerts. No spam — only product updates.
Interested in
This outage lasted 55m. Join the waitlist to get alerted next time.
Join the waitlist for Pro alerts — we'll notify you at launch.