Elevated errors across ChatGPT, Codex, and the API including the Agents API

Minor · Started Sep 29, 2026 · 5:52 PM

Duration

5h 21m
Severity

Minor
Detection lead

—
User reports

Peak 5/hr

Summary

Elevated errors across ChatGPT, Codex, and the API including the Agents API

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.

Started

Sep 29, 2026 · 5:52 PM
Resolved

Sep 29, 2026 · 11:14 PM
Duration

5h 21m
Severity

Minor

Event timeline

How this incident unfolded

◐

Investigating
Sep 29 · 5:52 PM ChatGPT

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.
◐

Investigating
Sep 29 · 6:24 PM ChatGPT

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.
◐

Investigating
Sep 29 · 7:08 PM ChatGPT

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.
◉

Monitoring
Sep 29 · 7:39 PM ChatGPT

We have applied the mitigation and are monitoring the recovery.
◉

Monitoring
Sep 29 · 9:09 PM ChatGPT

We have applied the mitigation and are monitoring the recovery.
◉

Monitoring
Sep 29 · 10:03 PM ChatGPT

We have applied the mitigation and are monitoring the recovery.
◉

Monitoring
Sep 29 · 10:47 PM ChatGPT

We have applied the mitigation and are monitoring the recovery.
✓

Resolved
Sep 29 · 11:14 PM ChatGPT

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.