Mixpanel incident: Elevated /import Delays for a subset of US Projects

Affected components

• Ingestion API Availability (US)

1. resolvedOct 1, 2025, 15:18 UTC

   The issue has been resolved and all reports are showing imported events as usual. No events were lost during this incident, events were only delayed.

2. monitoringOct 1, 2025, 11:55 UTC

   The Engineering team has released a fix for the issue, and we are currently monitoring. Imported events should now be processed normally, and all reports are expected to return to their usual state.

3. identifiedOct 1, 2025, 10:02 UTC

   We identified an issue beginning at 12:30 AM PST where /import requests experienced elevated delays. Engineering has applied a fix to scale up the system, and it is recovering, though delays may persist until normal processing is fully restored. We will provide an update once performance has returned to normal.

What APIStatus.watch saw

Our 5-minute checks didn't record a change in Mixpanel's overall status around this incident. Smaller or regional incidents often leave a provider's overall status green.

Other services with incidents at the same time

Overlapping incidents aren't necessarily related.

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How often does Mixpanel have incidents?

Mixpanel reported 4 incidents in the last 90 days, 2 of them major or critical. A typical incident lasted 4h 59m. See Mixpanel's uptime and incident history