Klaviyo experienced a minor incident on November 13, 2025, lasting —. The incident has been resolved; the full update timeline is below.
Update timeline
- monitoring Nov 13, 2025, 09:30 PM UTC
Nov 13, 16:30 EST Completed - The scheduled maintenance has been completed. Nov 13, 10:00 EST In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary. Nov 13, 09:36 EST Scheduled - Between 10:00 AM and 5:00 PM US/Eastern on Thursday, November 13, 2025, Klaviyo Engineering will perform maintenance on our events infrastructure. During this maintenance window, event analytics may be delayed up to 45 minutes. No data loss will occur and no other Klaviyo functionality will be impacted.