Outage in Klaviyo
Login and page loading issues
Resolved MajorIncident Report
Summary AI Generated
Klaviyo experienced a major incident lasting approximately 1.3 hours in which some customers were unable to log in or experienced slow and failed page loads within the app. Users reported persistent loading issues throughout the disruption, though campaign and flow sending remained unaffected. The issue was identified and resolved via a deployed fix, restoring normal access and stability.
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.
Components affected
Klaviyo AppTrusted by 1,000+ teams
The Status Page Aggregator with Early Outage Detection
Stop finding out about outages from your users. Monitor 6,320+ cloud services and get alerted the second something breaks.
Latest Updates ( sorted recent to last )
RESOLVED
about 2 hours ago - at 10/08/2026 04:13PM
Customers can now log in to Klaviyo and load pages normally, and the system remains stable. This incident has been resolved.
MONITORING
about 2 hours ago - at 10/08/2026 04:06PM
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.
IDENTIFIED
about 2 hours ago - at 10/08/2026 03:49PM
The issue has been identified and a fix is being implemented.
INVESTIGATING
about 2 hours ago - at 10/08/2026 03:29PM
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.
INVESTIGATING
about 3 hours ago - at 10/08/2026 03:00PM
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.
Latest Klaviyo outages
Flow sending delays - 17 days ago
Flow sending delays - 21 days ago
Sending delays for event-triggered flows - 24 days ago
Issue with Time Delays in Flows - about 1 month ago
Delays in real-time segmentation - about 2 months ago
The Status Page Aggregator with Early Outage Detection
With IsDown, you can monitor all your critical services' official status pages from one centralized dashboard and receive instant alerts the moment an outage is detected. Say goodbye to constantly checking multiple sites for updates and stay ahead of outages with IsDown.
Start free trialNo credit card required · Cancel anytime · 6320 services available
Integrations with
