Klaviyo Outage History

Sep 3, 18:56 EDT Resolved - This incident has been resolved. Sep 3, 18:41 EDT Monitoring - We have identified the root cause and have mitigated any further incorrect resends of omnichannel campaigns. We continue to monitor closely and appreciate your patience throughout this incident. Sep 3, 17:32 EDT Investigating - We are currently investigating an issue where omnichannel campaigns were resent unexpectedly. We'll provide updates as soon as more information is available.

Aug 12, 13:14 EDT Resolved - This is now resolved, triggering is back to real-time. Aug 12, 13:05 EDT Monitoring - Triggering of event-based flows is now back to real-time. We're continuing to monitor and will provide an additional confirmation of full recovery. Aug 12, 12:39 EDT Investigating - We are currently investigating delays in the triggering of event-based flows, which began around 08/12/2025 at 11:45 US/Eastern. Our team is actively working to resolve the issue. Further updates will be provided as soon as new information is available.

We have mitigated the delays and event-processing has been restored to real-time. There was no data loss as a result of this incident. We’re continuing to monitor and will post another update once we have fully cleared any backlog of processing data.

We've mitigated the login issue and are currently monitoring performance. We apologize for the disruption and expect full resolution shortly.

Starting 1:45 pm Eastern Time on June 4th, the infrastructure that processes analytics began experiencing delays. As a result, campaign, flow and dashboard reports may be out-of-date by up to about 2 hours. Event-triggered flows and segments dependent on events are not impacted. Events are also populating into profile activity logs normally. We are actively resolving this incident and expect to have reports up-to-date within an hour.