Braintrust incident
Elevated errors and latency on the US data plane API
Resolved after 1 hour 18 minutes, affecting API and API and 1 more, on September 30, 2026.
We have applied a fix and are monitoring the results.
Affected components
Update timeline
- investigating Sep 30, 2026, 11:36 AM UTC
We are investigating elevated errors affecting the Braintrust control plane APIs. Some users may experience failures when accessing projects, prompts, settings, or creating new resources.
- investigating Sep 30, 2026, 11:50 AM UTC
We are investigating elevated error rates and increased latency on the US centrally-hosted data plane. Some requests, including function invocations, BTQL queries and loading logs or experiments in the UI, may fail or time out.
- monitoring Sep 30, 2026, 12:35 PM UTC
We have applied a fix and are monitoring the results.
- resolved Sep 30, 2026, 12:54 PM UTC
The issue has been resolved.
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