# ChatGPT: Elevated Codex API authentication errors

> ChatGPT status incident “Elevated Codex API authentication errors” on 2026-08-20: impact minor (vendor’s label), 53 min, 3 update(s). Archived by Rewindex.

Canonical: https://rewindex.com/company/chatgpt/incidents/01M0G1RZER839AZXWMYKSZF3GR
Last updated: 2026-08-20T17:52:16Z

- Impact (vendor’s label): minor
- Status: resolved
- Started: 2026-08-20 16:58 UTC · Resolved: 2026-08-20 17:52 UTC · Duration: 53 min
- Updates: 3 · Affected components: Codex API
- [Vendor status page: https://status.openai.com/incidents/01M0G1RZER839AZXWMYKSZF3GR](https://status.openai.com/incidents/01M0G1RZER839AZXWMYKSZF3GR)
- [Company: ChatGPT](https://rewindex.com/company/chatgpt.md)

## Timeline of updates

- **identified** 2026-08-20 16:58 UTC: Some users may encounter errors when using Codex with API authentication. We are working on implementing a mitigation.
- **monitoring** 2026-08-20 17:15 UTC: We have applied the mitigation and are monitoring the recovery.
- **resolved** 2026-08-20 17:52 UTC: All impacted services have now fully recovered.

## Cite this

Status incident (vendor impact label: minor) posted by ChatGPT, started 2026-08-20 16:58 UTC, resolved after 53 min, 3 update(s).

- Canonical URL: https://rewindex.com/company/chatgpt/incidents/01M0G1RZER839AZXWMYKSZF3GR
- Citation: ChatGPT, “Elevated Codex API authentication errors” (2026-08-20 16:58 UTC). Archived by Rewindex: https://rewindex.com/company/chatgpt/incidents/01M0G1RZER839AZXWMYKSZF3GR (CC BY 4.0).
- Markdown link: `[ChatGPT: Elevated Codex API authentication errors (2026-08-20)](https://rewindex.com/company/chatgpt/incidents/01M0G1RZER839AZXWMYKSZF3GR)`


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Canonical: https://rewindex.com/company/chatgpt/incidents/01M0G1RZER839AZXWMYKSZF3GR · Markdown: https://rewindex.com/company/chatgpt/incidents/01M0G1RZER839AZXWMYKSZF3GR.md · JSON: https://rewindex.com/api/v1/companies/chatgpt/incidents/01M0G1RZER839AZXWMYKSZF3GR · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-11-04T16:07:22.247Z