Klaviyo outage, 14 September 2026
Sending delays for event-triggered flows
- Started
- Resolved
- 15 Sept 2026, 01:51 UTC (after 4 h 21 min)
- Impact
- Minor
- Affected
- Email Sending, Text Message Sending, WhatsApp Sending, Mobile Push Sending, Processing
Last update from Klaviyo
The backlog of delayed event-triggered flows has been fully processed and all systems are now operating normally. We apologize for the disruption this caused. This incident has been resolved.
Is Klaviyo down now?
This page is the record of one past incident. For the live status, see Is Klaviyo down right now? - it reads the official status page every 2 minutes.