Is LangSmith down?
OperationalLangSmith (LangChain) — LangSmith tracing, evals and prompt hub. LangSmith reports all systems operational via its official status feed. Last checked 0s ago (132ms) via the official status feed.
US-region view; EU users should check the vendor's EU subpage.
Latest LangSmith outage
LangSmith Deployment Database Provisioning Error
Full timeline and updates →
90-day history
Built from LangChain's official incident history — green days had no recorded incidents. Major outages count fully, partial 50%, degraded 25%.
Recent outage history
- LangSmith Deployment Database Provisioning ErrorOct 3, 2026, 10:13 AM UTC · resolvedResolved
- Thread-scoped sandbox initialization timeouts on new agentsSep 4, 2026, 7:38 PM UTC · resolvedResolved
- Agent-scoped sandbox fails to initialize on new agentsSep 2, 2026, 8:47 PM UTC · resolvedResolved
- Elevated error rate for bulk exportsSep 1, 2026, 8:17 PM UTC · resolvedResolved
- Fetching traces timing outAug 26, 2026, 4:53 PM UTC · resolvedResolved
- [GCP US only] LangSmith Deployments Builds OutageAug 20, 2026, 6:32 PM UTC · resolvedResolved
- Maintenance: Internal database upgradesAug 20, 2026, 1:07 AM UTC · resolvedResolved
- Partial ingestion failures for traces with large payloadsAug 7, 2026, 7:40 AM UTC · resolvedResolved
- Agent tool calls failing on Anthropic Claude modelsAug 5, 2026, 9:52 PM UTC · resolvedResolved
- High latencies and increased rate of 500s for analytical queries (stats and dashboards)Aug 3, 2026, 9:13 PM UTC · resolvedResolved
- Ingestion is delayedJul 12, 2026, 9:59 PM UTC · resolvedResolved
- Elevated Errors in FleetJul 9, 2026, 12:22 AM UTC · resolvedResolved
LangSmith troubleshooting — fixes that actually work
- Trace ingestion lag (hours) while the app looks fine is the classic failure — check the region subpage.
- 401/403 is usually a workspace key used against the wrong workspace/region (US vs EU separate).
- 429/413 on batch ingest means oversized spans — sample or reduce attachments.
- EU users must check the EU subpage — US-green does not imply EU-green.
LangSmith outage FAQs
Is LangSmith down right now?
No — LangSmith is currently operational, last checked 0s ago, according to the vendor's official status feed. No active incidents are listed in the vendor's official status feed.
Is there a LangSmith outage?
No outage is currently declared for LangSmith. If LangSmith isn't working for you while status shows operational, the cause is usually local — see the fixes below.
How do I check LangSmith server status?
The fastest check is this page, refreshed every minute. For the authoritative source, see LangChain's official status page at https://status.smith.langchain.com. Our status above is synced directly from that feed.
Why is LangSmith not working for me?
Trace ingestion lag (hours) while the app looks fine is the classic failure — check the region subpage. 401/403 is usually a workspace key used against the wrong workspace/region (US vs EU separate).
How reliable is LangSmith?
LangSmith has 100% uptime over the last 90 days, based on 12 vendor-published incidents.
User reports
No user reports yet for LangSmith.
Official links
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