Incident History for Braintrust

A complete log of all past incidents, outages, and scheduled maintenance.

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applies to the 6 loaded
Write-up added for US data plane API incident

Resolved

Affected Components

US data plane API

Resolved

on Oct 1, 2026

A new public write-up was shared for the incident involving elevated errors and latency on the US data plane API.

Elevated errors and latency on the US data plane API

Resolved

Affected Components

Centrally-Hosted Data Plane (US)Web UI / Control Plane

Resolved

on Sep 30, 2026

The issue causing elevated errors and latency on the US data plane API has been resolved.

Monitoring

on Sep 30, 2026

A fix has been applied and we are monitoring results after elevated errors and latency on the US data plane API.

Investigating

on Sep 30, 2026

We are investigating elevated error rates and increased latency on the US centrally-hosted data plane, causing some requests to fail or time out.

Investigating

on Sep 30, 2026

We are investigating elevated errors affecting the Braintrust control plane APIs, causing failures for some users accessing projects, prompts, settings, or creating resources.

Scheduled For

Sep 30, 2026, 11:36 AM UTC

Slow or failed data loading in US region

Resolved

Affected Components

Centrally-Hosted Data Plane (US)

Resolved

on Sep 9, 2026

The issue causing slow or failed data loading in the US-hosted service has been resolved.

Monitoring

on Sep 9, 2026

We've applied a mitigation for the data-loading issue and are monitoring performance.

Investigating

on Sep 9, 2026

We are investigating slow or failed data loading affecting some customers on our US-hosted service, causing pages to load slowly, hang, or show errors.

Elevated 5XXs on Control Plane API

Resolved

Affected Components

Web UI / Control Plane

Resolved

on Sep 4, 2026

The issue causing elevated errors in the Braintrust control plane APIs has been resolved.

Monitoring

on Sep 4, 2026

We have mitigated the issue causing elevated errors in the Braintrust control plane APIs, and are continuing to monitor closely.

Investigating

on Sep 4, 2026

We are investigating elevated errors affecting the Braintrust control plane APIs, causing failures for some users.

Upstream package mirror degraded, Brainstore unaffected

Resolved

Affected Components

Upstream APT package mirror

Resolved

on Aug 19, 2026

The upstream APT package mirror has recovered and no longer impacts new Brainstore instances.

Monitoring

on Aug 19, 2026

The upstream APT package mirror on AWS us-east-1 is degraded, but there is currently no downtime. We are monitoring and looking into alternatives.

Gateway 5XXs

Resolved

Affected Components

AI Gateway

Resolved

on Aug 3, 2026

The issue has been resolved and service has remained stable following the rollback.

Resolved

on Aug 3, 2026

The issue has been resolved and we are monitoring the service to confirm normal operation.

Identified

on Aug 3, 2026

We identified an issue causing 5XXs from a recent Gateway deployment and are rolling it back.

    Incident History for Braintrust