Hightouch incident

Slow Application Loading and Intermittent UI Errors

Resolved after 1 hour 25 minutes, affecting Reverse ETL and Customer Studio and 1 more, on September 21, 2026.

resolved Sep 21, 2026, 10:14 PM UTC

This incident has been resolved. Between 20:30 and 20:45 UTC and again between 21:04 and 21:19 UTC, the Hightouch application experienced slow loading and intermittent errors in the UI. There was no impact to event delivery or syncs.

Started
Sep 21, 2026, 08:48 PM UTC
Resolved
Sep 21, 2026, 10:14 PM UTC
Duration
1h 25m
Detected by Pingoru
Sep 21, 2026, 08:48 PM UTC

Affected components

Reverse ETLCustomer StudioIntelligence

Update timeline

  1. investigating Sep 21, 2026, 08:48 PM UTC

    We’re investigating an issue causing slow application loading and intermittent errors in the UI. We’re working to resolve it and will share another update shortly.

  2. investigating Sep 21, 2026, 09:25 PM UTC

    We are continuing to investigate this issue.

  3. monitoring Sep 21, 2026, 09:42 PM UTC

    The Hightouch application is now stable. We are continuing to monitor and we will provide updates as the situation evolves.

  4. resolved Sep 21, 2026, 10:14 PM UTC

    This incident has been resolved. Between 20:30 and 20:45 UTC and again between 21:04 and 21:19 UTC, the Hightouch application experienced slow loading and intermittent errors in the UI. There was no impact to event delivery or syncs.

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