AIWatch โ€” LangChain (LangSmith) Incidents https://ai-watch.dev Incident updates for LangChain (LangSmith), monitored by AIWatch. en Sun, 14 Jun 2026 06:25:20 GMT ๐ŸŸข LangChain (LangSmith): Resolved โ€” Performance degradation of legacy storage cluster https://ai-watch.dev/is-langchain-down?e=resolved aiwatch:langsmith:01KTRRSWT8C0T1VMB6XX7K97RB:resolved Wed, 10 Jun 2026 13:49:14 GMT minor ๐ŸŸข Resolved ยท lasted 1h 9m

The rollback is complete, and our latency readings are back to nominal levels.

]]> ๐ŸŸข LangChain (LangSmith): Resolved โ€” Elevated LangSmith API error rate https://ai-watch.dev/is-langchain-down?e=resolved aiwatch:langsmith:01KTGQVJ3610Y71DQRCPDEX2JT:resolved Sun, 07 Jun 2026 10:08:27 GMT major ๐ŸŸข Resolved ยท lasted 18m

This incident has been resolved.

]]> ๐ŸŸข LangChain (LangSmith): Resolved โ€” Billing usage ingestion delays https://ai-watch.dev/is-langchain-down?e=resolved aiwatch:langsmith:01KTCH7XPFEESMCK9VNDYVN3PP:resolved Sat, 06 Jun 2026 02:08:35 GMT minor ๐ŸŸข Resolved ยท lasted 7h 31m

The backlog has completed processing. This incident is resolved.

]]> ๐ŸŸข LangChain (LangSmith): Resolved โ€” Bulk exports not being processed https://ai-watch.dev/is-langchain-down?e=resolved aiwatch:langsmith:01KSMNECSHM7BBV2T7NFZA1YY4:resolved Wed, 27 May 2026 15:38:36 GMT major ๐ŸŸข Resolved ยท lasted 3h 29m

No further issues have been observed and this incident is now considered resolved.

]]> ๐ŸŸข LangChain (LangSmith): Resolved โ€” Sandbox create failing https://ai-watch.dev/is-langchain-down?e=resolved aiwatch:langsmith:01KS8AW42CAGJ66M2C9H7HVXZT:resolved Fri, 22 May 2026 17:29:41 GMT major ๐ŸŸข Resolved ยท lasted 16m

Resolved

]]> ๐ŸŸข LangChain (LangSmith): Resolved โ€” Bulk export failures https://ai-watch.dev/is-langchain-down?e=resolved aiwatch:langsmith:01KRKPGAKWTRK70R7Z45EZ8QAE:resolved Sat, 16 May 2026 00:38:59 GMT major ๐ŸŸข Resolved ยท lasted 31h 46m

This incident has been resolved.

]]> ๐ŸŸข LangChain (LangSmith): Resolved โ€” Increased latency in LangSmith API backend https://ai-watch.dev/is-langchain-down?e=resolved aiwatch:langsmith:01KRGPNVRHSPWZ4327EVPTXAD1:resolved Wed, 13 May 2026 14:00:34 GMT minor ๐ŸŸข Resolved ยท lasted 1h 2m

The issue is now fully resolved. All services are restored and fully operational.

]]> ๐ŸŸข LangChain (LangSmith): Resolved โ€” LangSmith UI: ongoing incident โ€” trace visualization unavailable https://ai-watch.dev/is-langchain-down?e=resolved aiwatch:langsmith:01KQFEEB666GR7V9TK45SVGKVD:resolved Thu, 30 Apr 2026 18:30:20 GMT major ๐ŸŸข Resolved ยท lasted 3h 31m

The fix has been properly released. Thank you for your patience and sorry for the inconvenience.

]]> ๐ŸŸข LangChain (LangSmith): Resolved โ€” Annotation run view performance degradation https://ai-watch.dev/is-langchain-down?e=resolved aiwatch:langsmith:01KQ9M5Z6ESKZ15TD44373QPFH:resolved Tue, 28 Apr 2026 14:25:08 GMT minor ๐ŸŸข Resolved ยท lasted 5h 41m

This incident has been resolved. Annotation queues are once again fully accessible in the US LangSmith UI. Please let us know at support@langchain.dev if you're still experiencing issues.

]]> ๐ŸŸข LangChain (LangSmith): Resolved โ€” LangSmith Deployments outage https://ai-watch.dev/is-langchain-down?e=resolved aiwatch:langsmith:01KKV1H1N7CXEZSTRFS0475F0N:resolved Mon, 16 Mar 2026 14:11:22 GMT major ๐ŸŸข Resolved ยท lasted 4h 10m

The fix was successful and this issue is now considered resolved.

]]> ๐ŸŸข LangChain (LangSmith): Resolved โ€” Bulk export delays https://ai-watch.dev/is-langchain-down?e=resolved aiwatch:langsmith:01KJDJENFXHVZVSSDAA1BT1686:resolved Fri, 27 Feb 2026 03:14:17 GMT minor ๐ŸŸข Resolved ยท lasted 9h 2m

This incident has been resolved.

]]> ๐ŸŸข LangChain (LangSmith): Resolved โ€” Increased 5XX error rates across all LangSmith endpoints https://ai-watch.dev/is-langchain-down?e=resolved aiwatch:langsmith:01KJ1AMP9WX8ZAEX5A77CZSCZJ:resolved Mon, 23 Feb 2026 00:28:31 GMT major ๐ŸŸข Resolved ยท lasted 24h 24m

All services were restored and fully operational on February 21, 2026, at 23:42 UTC.

]]> ๐ŸŸข LangChain (LangSmith): Resolved โ€” Issues with stats functionality https://ai-watch.dev/is-langchain-down?e=resolved aiwatch:langsmith:01KJ0K9459D4K8DPWV9212P3M8:resolved Sat, 21 Feb 2026 19:33:20 GMT minor ๐ŸŸข Resolved ยท lasted 2h 17m

All services are back to normal operations

]]> ๐ŸŸข LangChain (LangSmith): Resolved โ€” LangSmith Deployments downtime in us-central region https://ai-watch.dev/is-langchain-down?e=resolved aiwatch:langsmith:01KHPQ5E3P6RJZ541TJX5NEA3Z:resolved Thu, 19 Feb 2026 21:20:27 GMT major ๐ŸŸข Resolved ยท lasted 48h 8m

LangSmith Deployments us-central cluster is now fully operational.

]]> ๐ŸŸข LangChain (LangSmith): Resolved โ€” Investigating issues with Dataset Example visibility https://ai-watch.dev/is-langchain-down?e=resolved aiwatch:langsmith:01KGM9BQNMJ79ZFE9NMKADRCHC:resolved Wed, 04 Feb 2026 14:04:05 GMT minor ๐ŸŸข Resolved ยท lasted 1h 47m

Issue has been identified as only having affecting EU customers. No impact on US customers.

]]> ๐ŸŸข LangChain (LangSmith): Resolved โ€” Node rollout causing downtime for Langsmith Deployments https://ai-watch.dev/is-langchain-down?e=resolved aiwatch:langsmith:01KDF0C4SQRW5YMHG5TF0S3VJZ:resolved Mon, 05 Jan 2026 20:07:10 GMT major ๐ŸŸข Resolved ยท lasted 231h 51m

]]> ๐ŸŸข LangChain (LangSmith): Resolved โ€” Trace billing under-reporting https://ai-watch.dev/is-langchain-down?e=resolved aiwatch:langsmith:01KCQB9F8J6DCNQJZS0GZVZC51:resolved Mon, 22 Dec 2025 14:09:37 GMT major ๐ŸŸข Resolved ยท lasted 110h 24m

]]> ๐ŸŸข LangChain (LangSmith): Resolved โ€” Elevated API error rates https://ai-watch.dev/is-langchain-down?e=resolved aiwatch:langsmith:01KCMV25AZ7FK5FHKWTHVVE4PH:resolved Wed, 17 Dec 2025 00:40:46 GMT major ๐ŸŸข Resolved ยท lasted 17m

]]> ๐ŸŸข LangChain (LangSmith): Resolved โ€” Some invoices are duplicated resulting in duplicate seat charges https://ai-watch.dev/is-langchain-down?e=resolved aiwatch:langsmith:01KBFD1NAKNZSP0TM3BRQYRMNC:resolved Thu, 04 Dec 2025 03:38:52 GMT major ๐ŸŸข Resolved ยท lasted 40h 12m

]]> ๐ŸŸข LangChain (LangSmith): Resolved โ€” Increased rates of 500s https://ai-watch.dev/is-langchain-down?e=resolved aiwatch:langsmith:01KAC3Y9HCANW5B2VX3ZYA9TPS:resolved Wed, 19 Nov 2025 02:55:56 GMT minor ๐ŸŸข Resolved ยท lasted 8h 22m

]]> ๐ŸŸข LangChain (LangSmith): Resolved โ€” Login and Run Ingestion impacted for LangSmith SaaS https://ai-watch.dev/is-langchain-down?e=resolved aiwatch:langsmith:01KA1K8C8N8MFJZJ2KHX0EKW7N:resolved Fri, 14 Nov 2025 23:46:26 GMT critical ๐ŸŸข Resolved ยท lasted 7h 16m

]]> ๐ŸŸข LangChain (LangSmith): Resolved โ€” Runs querying increased latency https://ai-watch.dev/is-langchain-down?e=resolved aiwatch:langsmith:01K6WZZ8KMWRER7CQ92QC2G2M2:resolved Mon, 06 Oct 2025 19:21:48 GMT minor ๐ŸŸข Resolved ยท lasted 4h 33m

]]> ๐ŸŸข LangChain (LangSmith): Resolved โ€” Elevated 5xx rate on run ingest and some API endpoints https://ai-watch.dev/is-langchain-down?e=resolved aiwatch:langsmith:01K611SKTHDJ9NQB9TWCTPQSGT:resolved Fri, 26 Sep 2025 16:54:56 GMT major ๐ŸŸข Resolved ยท lasted 22h 33m

]]> ๐ŸŸข LangChain (LangSmith): Resolved โ€” LGP: Creating new revisions and deployments are failing https://ai-watch.dev/is-langchain-down?e=resolved aiwatch:langsmith:01K5Z1RRCK17MZSW4AJJ91K8D3:resolved Thu, 25 Sep 2025 02:36:31 GMT critical ๐ŸŸข Resolved ยท lasted 2h 53m

]]> ๐ŸŸข LangChain (LangSmith): Resolved โ€” Investigating Elevated 500 Errors https://ai-watch.dev/is-langchain-down?e=resolved aiwatch:langsmith:01K4MXGCVZSTSB5YMKKR5111W8:resolved Thu, 11 Sep 2025 02:10:11 GMT major ๐ŸŸข Resolved ยท lasted 59h 10m

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