LangChain experienced a minor incident on May 13, 2026 affecting LangSmith Application and LangSmith API and 1 more component, lasting —. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- investigating May 13, 2026, 12:58 PM UTC
Status: Investigating We are investigating an increase in backend latency in the LangSmith service. Affected components LangSmith Run Ingestion (Degraded performance) LangSmith Application (Degraded performance) LangSmith API (Degraded performance)
- identified May 13, 2026, 01:44 PM UTC
Status: Identified We identified a database modification that came through our regular release pipeline and caused backend contention, resulting in overall slowness in our API and WebUI. Affected components LangSmith Application (Degraded performance) LangSmith API (Degraded performance) LangSmith Run Ingestion (Degraded performance)
- resolved May 13, 2026, 02:00 PM UTC
Status: Resolved The issue is now fully resolved. All services are restored and fully operational. Affected components LangSmith Run Ingestion (Operational) LangSmith Application (Operational) LangSmith API (Operational)