OpenAI experienced a minor incident on May 9, 2026 affecting Responses, lasting —. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- monitoring May 09, 2026, 12:07 AM UTC
Status: Monitoring Between 4:05pm and 4:40pm PT on May 8, some customers using the Responses API may have experienced elevated 404 errors. We identified the issue as related to a recent deploy and rolled it back. Responses API traffic has recovered, and we are marking this incident as resolved. Affected components Responses (Partial outage)
- resolved May 09, 2026, 12:08 AM UTC
Status: Resolved All impacted services have now fully recovered. Between 4:05pm and 4:40pm PT on May 8, some customers using the Responses API may have experienced elevated 404 errors. We identified the issue as related to a recent deploy and rolled it back. Responses API traffic has recovered, and we are marking this incident as resolved. Affected components Responses (Operational)