Is LangSmith down? › Outage history › Aug 6, 2026

LangSmith partial outage on Aug 6, 2026: what happened

On Aug 6, 2026, the LangSmith Global status page reported "Partial ingestion failures for traces with large payloads". About 16 hours 37 min: from Aug 6, 2026, 15:03 UTC to Aug 7, 2026, 07:40 UTC, by the official start and resolution times.

LangSmith right now

At our last refresh (Oct 22, 2026, 12:35 UTC) LangSmith was having problems: Partial System Degradation.

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Started
Aug 6, 2026, 15:03 UTC
Resolved
Aug 7, 2026, 07:40 UTC
Duration
16 hours 37 min
Official impact
Major
Source
Partial ingestion failures for traces with large payloads on the LangSmith Global status page

The LangSmith Global status page rated the impact "Major": a partial outage. Some parts or some users were affected; it was not a complete outage.

What caused the LangSmith partial outage?

"The full fix took an extraordinarily long time to release due to an outage at our CI provider."

From the LangSmith Global status page, Aug 7, 2026, 07:40 UTC.

When was it fixed?

The LangSmith Global status page marked it resolved at Aug 7, 2026, 07:40 UTC, 16 hours 37 min after it started. A fix was in place and being monitored from Aug 6, 2026, 16:43 UTC. Its resolution note: "The full fix took an extraordinarily long time to release due to an outage at our CI provider. In the meantime, the mitigation we had deployed mitigated the problem."

Timeline of official updates

Every update the LangSmith Global status page posted, oldest first. Times are UTC.

  1. Aug 6, 2026, 15:03 UTC identified

    Traces including large payloads might currently fail to be ingested or can be delayed. We are working on a fix.

  2. Aug 6, 2026, 15:33 UTC identified

    Updated affected regions

  3. Aug 6, 2026, 16:43 UTC monitoring

    The service is temporarily patched. Large payloads are now ingested normally.

  4. Aug 7, 2026, 07:40 UTC resolved

    The full fix took an extraordinarily long time to release due to an outage at our CI provider. In the meantime, the mitigation we had deployed mitigated the problem.

LangSmith partial outage questions

What caused the LangSmith partial outage on Aug 6, 2026?

The LangSmith Global status page said (update at Aug 7, 2026, 07:40 UTC): "The full fix took an extraordinarily long time to release due to an outage at our CI provider."

When was the LangSmith partial outage on Aug 6, 2026 fixed?

The LangSmith Global status page marked it resolved at Aug 7, 2026, 07:40 UTC, 16 hours 37 min after it started. A fix was in place and being monitored from Aug 6, 2026, 16:43 UTC. Its resolution note: "The full fix took an extraordinarily long time to release due to an outage at our CI provider. In the meantime, the mitigation we had deployed mitigated the problem."

How long did the LangSmith partial outage last?

About 16 hours 37 min: from Aug 6, 2026, 15:03 UTC to Aug 7, 2026, 07:40 UTC, by the official start and resolution times.

Was LangSmith completely down?

No. The LangSmith Global status page rated the impact "Major": a partial outage. Some parts or some users were affected; it was not a complete outage.

Other recent LangSmith incidents

Full LangSmith outage history and biggest outages → · Recent outages across all services →

Quotes are the LangSmith Global status page's own words, from the official incident. Is It Up or Down is independent and not affiliated with LangSmith. Times are UTC.