Authentication errors for some users

Resolved Major impact

On October 21, 2026 at 22:36 UTC, OpenAI reported an incident affecting OpenAI Services with a major impact, per its official status page. The incident has been fully resolved. IsChatGPTDown.chat mirrors this incident from OpenAI's official record; see the official link below for authoritative details.

Incident Facts

All facts below are taken from OpenAI's official incident record. Fields OpenAI did not publish are shown as “Not provided.”

Started
Resolved
Duration
Not provided
Affected service
OpenAI Services
Severity
Major
Current state
Resolved

Timeline

Official update history from OpenAI's status page.

  1. Resolved On October 20, from 9:35 to 10:35 a.m. PDT, some users near Illinois experienced authentication errors with the API, ChatGPT, and Codex. We rolled back a configuration change, and service was restored.
  2. Investigating Some users near Illinois experienced authentication errors with the API, ChatGPT, and Codex.

Related troubleshooting

The affected services are listed above from OpenAI's official record. If you run into a similar problem, the guides below help you check whether it is a current outage or an issue limited to your setup.

Related incidents in the same services

Delays in customer support responses · OpenAI Services · Investigating We are investigating technical issues affecting our customer support systems. Customers may experience longer than usual response times. We are working to restore normal operations.

Current ChatGPT Status

This incident has been added to the permanent outage archive. For the current live status, see Is ChatGPT down right now? — the status indicator updates automatically. For the methodology behind these incident records, see our monitoring methodology page.

View this incident on the official OpenAI status page →

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