Resolved after 15 minutes, affecting Email Sending, on September 16, 2025.
A fix has been deployed and system performance is improving. We continue to monitor closely and appreciate your patience throughout this incident.
Affected components
Email Sending
Update timeline
- identified Sep 16, 2025, 09:05 PM UTC
Starting 3:50pm US/Eastern on 9/16/25, we began observing delays in event-triggered flows. Users may see delays of up to 60 minutes. We're currently working on a fix. We’ll provide updates as soon as more information is available.
- monitoring Sep 16, 2025, 09:17 PM UTC
A fix has been deployed and system performance is improving. We continue to monitor closely and appreciate your patience throughout this incident.
- resolved Sep 16, 2025, 09:21 PM UTC
This incident has been resolved.
Your product runs on more than Klaviyo
Add the vendors you depend on and get one message when any of them reports trouble. Free for 3 vendors, no card.