OpenAI experienced a minor incident on August 20, 2026 affecting Codex API, lasting —. The incident has been resolved; the full update timeline is below.
Affected components
Codex API
Update timeline
- identified Aug 20, 2026, 04:58 PM UTC
Status: Identified Some users may encounter errors when using Codex with API authentication. We are working on implementing a mitigation. Affected components Codex API (Degraded performance)
- monitoring Aug 20, 2026, 05:15 PM UTC
Status: Monitoring We have applied the mitigation and are monitoring the recovery. Affected components Codex API (Operational)
- resolved Aug 20, 2026, 05:52 PM UTC
Status: Resolved All impacted services have now fully recovered. Affected components Codex API (Operational)