Outage in OpenAI
Elevated 401 errors for API endpoints
Resolved Minor
April 12, 2026 - Started about 2 months ago
- Lasted 1 day
Incident Report
Summary AI Generated
OpenAI experienced elevated 401 authentication errors across Chat, Responses, APIs, and Embeddings services for 36 hours due to timeout issues. The errors were intermittent and affected API endpoint access, preventing users from properly authenticating their requests. The issue was resolved through multiple mitigation deployments that gradually reduced error rates back to normal levels.
We are investigating the issue for the listed services.
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Latest Updates ( sorted recent to last )
MONITORING
about 2 months ago - at 04/14/2026 01:26AM
We have applied the mitigation and are monitoring the recovery.
IDENTIFIED
about 2 months ago - at 04/13/2026 11:26PM
We've identified that intermittent 401 errors on some API endpoints are being caused by timeouts. We have applied mitigations that reduced impact in parts of the system and are continuing to deploy additional fixes and monitor recovery until error rates return to expected levels.
IDENTIFIED
about 2 months ago - at 04/13/2026 08:14PM
We've identified that intermittent 401 errors on some API endpoints are being caused by timeouts. We have applied mitigations that reduced impact in parts of the system and are continuing to deploy additional fixes and monitor recovery until error rates return to expected levels.
IDENTIFIED
about 2 months ago - at 04/13/2026 05:10PM
We've identified that intermittent 401 errors on some API endpoints are being caused by timeouts. We have applied mitigations that reduced impact in parts of the system and are continuing to deploy additional fixes and monitor recovery until error rates return to expected levels.
IDENTIFIED
about 2 months ago - at 04/13/2026 12:57PM
We have identified that users are experiencing elevated errors for the impacted services.
We are working on implementing a mitigation.
MONITORING
about 2 months ago - at 04/13/2026 06:34AM
We have applied the mitigation and are monitoring the recovery.
INVESTIGATING
about 2 months ago - at 04/13/2026 05:55AM
We are investigating the issue for the listed services.
MONITORING
about 2 months ago - at 04/12/2026 10:28PM
We have applied the mitigation and are monitoring the recovery.
INVESTIGATING
about 2 months ago - at 04/12/2026 08:40PM
We are investigating the issue for the listed services.
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