Outage in Klaviyo
Disrupted Event Processing for All Customers
Resolved MajorIncident Report
We are experiencing disruption in event processing since 2pm EST. Customers may see high error rates with APIs, missing metrics, and delayed sending.
We are investigating the issue and working to mitigate it currently.
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Latest Updates ( sorted recent to last )
RESOLVED
12 months ago - at 04/24/2025 11:13PM
This incident has been resolved. Affected unsubscribe events have been replayed. And as noted before, inbound subscriptions during the incident period can not be replayed.
MONITORING
12 months ago - at 04/23/2025 10:01PM
We have observed recovery of affected systems.
We are in the process of replaying affected unsubscribe events, and other remaining queued events have been processed. Event processing, API responses, and latency are all up-to-date. Unfortunately, inbound subscriptions during the affected period can not be replayed.
We will provide another update once unsubscribe events have been replayed.
IDENTIFIED
12 months ago - at 04/23/2025 07:41PM
We have addressed the underlying issue. We are seeing improvement in event processing, API responses and latency, email sending, and other areas.
We are continuing to work on fully restoring normal operations.
INVESTIGATING
12 months ago - at 04/23/2025 06:50PM
We are experiencing disruption in event processing since 2pm EST. Customers may see high error rates with APIs, missing metrics, and delayed sending.
We are investigating the issue and working to mitigate it currently.
source IsDown
Possible Outage Indicated by User Reports
Reports started 11 minutes before official outage was reported
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