Braintrust incident
Elevated errors and latency on the US data plane API
Braintrust experienced a minor incident on September 30, 2026 affecting Web UI / Control Plane, lasting —. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- investigating Sep 30, 2026, 11:36 AM UTC
Status: Investigating 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. Affected components Web UI / Control Plane (Partial outage)
- investigating Sep 30, 2026, 11:50 AM UTC
Status: Investigating 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. Affected components Centrally-Hosted Data Plane (US) (Partial outage) Web UI / Control Plane (Operational)
- monitoring Sep 30, 2026, 12:35 PM UTC
Status: Monitoring We have applied a fix and are monitoring the results. Affected components Centrally-Hosted Data Plane (US) (Partial outage) Web UI / Control Plane (Operational)
- resolved Sep 30, 2026, 12:54 PM UTC
Status: Resolved The issue has been resolved. Affected components Centrally-Hosted Data Plane (US) (Operational) Web UI / Control Plane (Operational)