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Outage in Klaviyo

Klaviyo Loading Errors and Sending Delays

Resolved Minor
July 07, 2026 - Started 18 days ago - Lasted about 1 hour
Official incident page

Incident Report

Summary AI Generated

Klaviyo experienced degraded performance for approximately 1.4 hours, affecting app loading, navigation, and email sending (both campaigns and flows). Login and navigation issues resolved first, followed by sending delays that recovered to under 30 minutes before fully clearing. All systems were confirmed fully operational at resolution.

Customers may be experiencing slower than usual performance when loading or navigating Klaviyo, and some sends may be delayed. We are actively investigating. We will share another update as soon as we have more information.

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Latest Updates ( sorted recent to last )
RESOLVED 18 days ago - at 07/07/2026 04:56PM

All systems are operating normally. This incident has been resolved.

MONITORING 18 days ago - at 07/07/2026 04:47PM

Sending delays have recovered, and login and navigation are operating normally. We continue to monitor closely and appreciate your patience throughout this incident.

IDENTIFIED 18 days ago - at 07/07/2026 04:32PM

Campaign and flow sends are now delayed by less than 30 minutes and are continuing to recover. Login and navigation are operating normally. We will share another update shortly.

IDENTIFIED 18 days ago - at 07/07/2026 03:56PM

Performance issues affecting login and general navigation in Klaviyo have recovered, and those areas are now operating normally. Some customers may still be experiencing delays with sends while we work to fully restore normal processing. We have identified the cause and are working to resolve the remaining impact as quickly as possible. We will share another update shortly.

INVESTIGATING 18 days ago - at 07/07/2026 03:33PM

Customers may be experiencing slower than usual performance when loading or navigating Klaviyo, and some sends may be delayed. We are actively investigating. We will share another update as soon as we have more information.

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