Resolved on April 27, 2026, affecting OpenAI - US and OpenAI - EU.
Affected services: Document extraction pipeline (contract/invoice/quote processing) Root cause: Azure OpenAI East US 2 regional incident — chat completion endpoints returning HTTP 500 / 504 Gateway Timeouts Affected Azure deployments on oro-llm-dev (gpt-4o, 4.1, 5.2, etc) Window: Started ~21:00 UTC (2 PM PT) on Apr 27, 2026; spikes visible on Azure metrics Incident also reported by other people - https://learn.microsoft.com/en-us/answers/questions/5873201/issues-using-the-chat-completion-api-east-us-2-dep Worked with Azure support for the resolution effort.
Affected components
Update timeline
- resolved Apr 27, 2026, 11:42 PM UTC
Affected services: Document extraction pipeline (contract/invoice/quote processing) Root cause: Azure OpenAI East US 2 regional incident — chat completion endpoints returning HTTP 500 / 504 Gateway Timeouts Affected Azure deployments on oro-llm-dev (gpt-4o, 4.1, 5.2, etc) Window: Started ~21:00 UTC (2 PM PT) on Apr 27, 2026; spikes visible on Azure metrics Incident also reported by other people - https://learn.microsoft.com/en-us/answers/questions/5873201/issues-using-the-chat-completion-api-east-us-2-dep Worked with Azure support for the resolution effort.
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