Outage in Braintrust
Elevated errors and latency on the US data plane API
Resolved Minor
September 30, 2026 - Started 7 days ago
- Lasted about 1 hour
Incident Report
Summary AI Generated
Braintrust experienced approximately 1.4 hours of elevated errors and latency affecting both its control plane and US data plane APIs. Users encountered failures accessing projects, prompts, and settings, as well as timeouts on function invocations, BTQL queries, and loading logs or experiments in the UI. A fix was applied and monitored to restore normal service.
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.
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Latest Updates ( sorted recent to last )
MONITORING
7 days ago - at 09/30/2026 12:35PM
We have applied a fix and are monitoring the results.
INVESTIGATING
7 days ago - at 09/30/2026 11:50AM
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.
INVESTIGATING
7 days ago - at 09/30/2026 11:36AM
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.
Latest Braintrust outages
Slow or failed data loading in US region - 27 days ago
Elevated 5XXs on Control Plane API - about 1 month ago
Upstream package mirror is degraded, Brainstore is not currently affected - about 2 months ago
Gateway 5XXs - 2 months ago
High 504 error rate in EU data plane - 3 months ago
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