OpenAI incident: Elevated errors across ChatGPT, Codex, and the API including the Agents API

1. resolvedSep 29, 2026, 23:14 UTC

   The issue causing elevated errors across ChatGPT, Codex, and the API has been resolved, and all affected services have recovered. Thank you for your patience while we worked to restore service. The detailed Root Cause Analysis (RCA) will be published in the next 5 business days.

2. monitoringSep 29, 2026, 22:47 UTC

   We have applied the mitigation and are monitoring the recovery.

3. monitoringSep 29, 2026, 22:03 UTC

   We have applied the mitigation and are monitoring the recovery.

4. monitoringSep 29, 2026, 21:09 UTC

   We have applied the mitigation and are monitoring the recovery.

5. monitoringSep 29, 2026, 19:39 UTC

   We have applied the mitigation and are monitoring the recovery.

6. investigatingSep 29, 2026, 19:08 UTC

   We’re still investigating elevated errors affecting ChatGPT, Codex, and the API including the Agents API. Some users may experience failed requests, difficulty logging in or signing up, and tasks that do not complete. We’ll share updates as we learn more.

7. investigatingSep 29, 2026, 18:24 UTC

   We’re investigating elevated errors affecting ChatGPT, Codex, and the API including the Agents API. Some users may experience failed requests, difficulty logging in or signing up, and tasks that do not complete. We’ll share updates as we learn more.

8. investigatingSep 29, 2026, 17:52 UTC

   We’re investigating elevated errors affecting ChatGPT, Codex, and the API. Some users may experience failed requests, difficulty logging in or signing up, and tasks that do not complete. We’ll share updates as we learn more.

What APIStatus.watch saw

• Sep 29, 2026, 17:55 UTCoperational → degraded
• Sep 29, 2026, 23:15 UTCdegraded → operational

Other services with incidents at the same time

Overlapping incidents aren't necessarily related.

• ElevenLabs: Agents, STT, and Creative Platform: Increased Latency, Conversation Failures, and STT FailuresMajor · Sep 29, 2026, 18:49 UTC
• Cursor: Investigating service degradation - xAI modelsMajor · Sep 29, 2026, 19:43 UTC
• Akamai: Increased latency during upstream provider maintenance in Singapore, Hong Kong, and JapanMinor · Sep 22, 2026, 00:30 UTC
• Akamai: Origin Server Connectivity Issues with Elevated Errors in APAC RegionMinor · Sep 22, 2026, 14:28 UTC
• Cloudflare: Cloudflare One Clients are incorrectly challenged on some sitesMinor · Sep 22, 2026, 19:23 UTC
• Cloudflare: Network Performance Degradation — Asia-PacificMinor · Sep 23, 2026, 18:42 UTC
• Zoom: Service Degradation Affecting Customer Using Polycom Devices Going OfflineMinor · Sep 25, 2026, 17:45 UTC
• Twilio: MMS Delivery Delays from a Subset of Twilio Long Codes to GCI United StatesMinor · Sep 26, 2026, 03:16 UTC
• Twilio: SMS Delivery Receipt Delays from Twilio to CTBC BrazilMinor · Sep 28, 2026, 13:25 UTC
• Snyk: Snyk CLI Scans DegradedMinor · Sep 28, 2026, 14:26 UTC

How often does OpenAI have incidents?

OpenAI reported 18 incidents in the last 90 days, 4 of them major or critical. A typical incident lasted 52 min. See OpenAI's uptime and incident history