Klaviyo experienced a major incident on June 12, 2025 affecting Klaviyo App, lasting 2h 17m. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- investigating Jun 12, 2025, 07:38 PM UTC
Due to an outage of a third party provider, there may be an issue preventing users from logging in to Klaviyo. Our Engineering Team is actively working to restore login capabilities. We apologize for the disruption and expect this issue to be resolved soon.
- identified Jun 12, 2025, 07:40 PM UTC
The issue has been identified and a fix is being implemented.
- monitoring Jun 12, 2025, 07:59 PM UTC
We've mitigated the login issue and are currently monitoring performance. We apologize for the disruption and expect full resolution shortly.
- resolved Jun 12, 2025, 09:56 PM UTC
The third party provider has fully restored service, and all login functionality is now operational. We apologize for the disruption and appreciate your patience.