Weights & Biases experienced a minor incident on March 11, 2026 affecting Backend API, lasting 23h 34m. The incident has been resolved; the full update timeline is below.
Affected components
Backend API
Update timeline
- investigating Mar 11, 2026, 05:50 PM UTC
We are aware of an issue causing elevated API request latencies, resulting in degraded performance in the UI and SDK. Recent changes in traffic patterns are resulting in increased load, which we urgently are working to address.
- monitoring Mar 11, 2026, 11:58 PM UTC
We've deployed mitigations and are actively monitoring. Request latencies have decreased but are not yet back to baseline. We appreciate your patience as we work to resolve this issue.
- resolved Mar 12, 2026, 11:33 PM UTC
We've been monitoring request latencies over the past 24 hours and they are back within our normal ranges.