OpenAI resolves Agent API container overbilling and prepares refunds
OpenAI reported higher-than-expected charges for hosted containers in the Agent API on September 18 and marked the incident resolved September 19. It said it was reviewing affected usage to identify customers and calculate refunds.
SessionWatcher editorial · Published · Updated · Source announcement: 2026-09-19
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Container charges and refunds
OpenAI's status page reported higher-than-expected charges for OpenAI-hosted containers in the Agent API. The first investigating update was posted September 18, 2026, at 10:29 PM.
OpenAI said it was preparing refunds for affected customers. A later update said it was reviewing affected usage to identify impacted customers and calculate refunds.
Mitigation and resolution
At 5:00 AM on September 19, OpenAI said mitigation had been applied and new sessions would not encounter the issue. The incident was marked resolved at 7:52 AM that day, with all impacted services reported fully recovered.
The supplied updates do not specify refund amounts or when refunds would reach customers.
AI assisted reporting, checked against the linked official sources. Source pages checked 2026-10-03. Editorial process and corrections.