OpenAI outage — August 20, 2026
Elevated Codex API authentication errors
OpenAI’s Multiple services was disrupted for 12h 00m on August 20, 2026. 503Radar’s sensors raised the first signal at 06:09 UTC, 10h 59m before the official status page acknowledged impact.
Key facts
| Detected | August 20, 2026 · 06:09 UTC |
| Confirmed | 17:08 UTC · lead time 10h 59m |
| Resolved | 18:09 UTC |
| Duration | 12h 00m |
| Service | Multiple services |
| Official record | https://status.openai.com |
Timeline
- 06:09Z
Detected · Signal
3 crowd signals for Multiple services on OPENAI crossed the signal threshold. - 17:08Z
Confirmed · Official
An official OPENAI status-page notice corroborated the event — 10h 59m after detection. - 18:09Z
Resolved
Signal volume fell back below the threshold; the event was closed.
How this was detected
1 independent evidence class for Multiple services on OPENAI. 4 crowd reports across bluesky, hn_comments (below the anomaly threshold), z=+0.7σ vs the cell baseline. Official notice confirms it, 10h 59m after the crowd.