Major incident

OpenAI: Authentication errors for some users

Oct 21, 2026, 22:36 UTC

started

17:35 UTC

resolved October 20, 2026

—

duration

Current status of OpenAI: Operational — live OpenAI status

Timeline

Oct 20, 2026, 16:35 UTC
investigating
Some users near Illinois experienced authentication errors with the API, ChatGPT, and Codex.
Oct 20, 2026, 17:35 UTC
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.

Updates as published by OpenAI.

This was part of a wider event: 109 services reported incidents within the hour.

Bubble 23:31 UTC · Android dependencies failing to load
Circle 23:26 UTC · CCTP Re-attestations - Delays/Degraded Performance
Dartmouth College 23:21 UTC · Websites and Systems Service Disruption
Genetec Cloud Products 23:17 UTC · Clearance Upload and Download fails intermittently
Red Hat 23:08 UTC · Multiple sites - SSO Outage
CivicPlus 23:08 UTC · Municode Codification Access/Verification Issues
SimpleVoIP 23:00 UTC · Algo & Poly VVX device registration
YNAB 22:55 UTC · Synchrony Credit Cards
PowerSchool Products 22:44 UTC · Investigating - Critical PHP Vulnerabilities
mux 22:21 UTC · Mux Data Collection Latency
UNLV 22:14 UTC · RedCap unavailable
Ada 22:08 UTC · Messages not being delivered (US region)
Cielo 21:53 UTC · Indisponibilidade intermitente para a inicialização de Terminais
Kaseya 21:51 UTC · PHP vulnerabilities (CVE-2026-109618 and CVE-2026-109619): Kaseya status - Investigation and Remediation
Circle 21:45 UTC · xReserve operations delayed on Movement blockchain