Current answer
Klaviyo experienced a critical incident: Login and page loading issues. ServiceAlert observed recovery on Oct 8, 2026.
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Incident Lifecycle
Affected Components
Klaviyo App
Incident Timeline
Monitoring
A fix has been deployed, and customers should now be able to log in to Klaviyo and load pages normally. If you were logged out during this incident, you may need to log in again. We continue to monitor closely and appreciate your patience throughout this incident.
Oct 8, 2026 at 4:06 PM UTC
Identified
The issue has been identified and a fix is being implemented.
Oct 8, 2026 at 3:49 PM UTC
Investigating
We are continuing to investigate issues preventing some customers from logging in to Klaviyo or loading pages in the app. We have not seen any impact to campaign or flow sending. We will share another update as soon as we have more information.
Oct 8, 2026 at 3:29 PM UTC
Investigating
We are investigating reports that some customers are unable to log in to Klaviyo or are seeing pages load slowly or not at all. Our team is actively working to restore normal access. We will share another update as soon as we have more information.
Oct 8, 2026 at 3:00 PM UTC
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