Outage in Klaviyo

Event-triggered flow delays

Resolved Minor
September 16, 2025 - Started about 2 months ago - Lasted 19 minutes
Official incident page

Incident Report

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.
Components affected
Klaviyo Flow Email Sending

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Latest Updates ( sorted recent to last )
RESOLVED about 2 months ago - at 09/16/2025 09:21PM

This incident has been resolved.

MONITORING about 2 months ago - at 09/16/2025 09:17PM

A fix has been deployed and system performance is improving. We continue to monitor closely and appreciate your patience throughout this incident.

IDENTIFIED about 2 months ago - at 09/16/2025 09:05PM

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.

Latest Klaviyo outages

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