# Elevated Codex API authentication errors

- Provider: [OpenAI](https://down.guide/openai)
- Level: confirmed
- Impact: Degraded
- lasted 17m
- started 2026-08-20 16:58 UTC
- Codex API
- id: DWN-fd632ca097
- Official page: https://status.openai.com/incidents/01M0G1RZER839AZXWMYKSZF3GR

## Updates from OpenAI
### 2026-08-20 16:58 UTC: identified
Some users may encounter errors when using Codex with API authentication.
We are working on implementing a mitigation.

### 2026-08-20 17:15 UTC: monitoring
We have applied the mitigation and are monitoring the recovery.

### 2026-08-20 17:52 UTC: resolved
All impacted services have now fully recovered.

---
down.guide reads providers' official status pages every minute and adds its own evidence, always labeled. Free, no account. Agents: MCP at https://down.guide/mcp, REST at https://down.guide/api/v1, feeds at https://down.guide/feed. Built by Sazabi (https://sazabi.com/?utm_source=down-guide&utm_medium=markdown).
