LangChain incident
Increased 5XX error rates across all LangSmith endpoints
Minor Vendor's status page →
Resolved on February 23, 2026, affecting LangSmith Run Ingestion and LangSmith Billing and 1 more.
All services were restored and fully operational on February 21, 2026, at 23:42 UTC.
Affected components
LangSmith Run IngestionLangSmith BillingLangSmith PromptHubLangSmith APILangSmith ApplicationLangSmith Deployments Control Plane
Update timeline
- monitoring Feb 22, 2026, 12:05 AM UTC
We have just experienced a ~18 minute period between 3:24-3:42PM PDT of elevated 5XX error rates impacting all endpoints including trace ingestion. Our systems have recovered and we are monitoring closely.
- monitoring Feb 22, 2026, 12:06 AM UTC
Systems are operational, and we are monitoring closely.
- resolved Feb 23, 2026, 12:28 AM UTC
All services were restored and fully operational on February 21, 2026, at 23:42 UTC.
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