Data processing delays

Event timeline

How this incident unfolded, from the official status page.

1. Investigating

   10 months ago

   Klaviyo

   Starting around 9:52pm US Eastern, a database upgrade failure caused data processing delays in-app. As a result, we are experiencing delays in event processing, flows, unsubscribes, segmentation, sending for certain campaigns, and v3 APIs. No data loss is expected. We are actively working to resolve the incident and will provide updates when possible.

2. Identified

   10 months ago

   Klaviyo

   The issue has been identified and a fix is being implemented.

3. Monitoring

   10 months ago

   Klaviyo

   A fix has been implemented and we are monitoring the results.

4. Resolved

   10 months ago

   Klaviyo

   This incident has been resolved.