Outage report
Klaviyo outage on 17 Oct 2026
Klaviyo's status page reported an outage on 17 Oct 2026 from 18:06 UTC to 21:52 UTC (3 h 46 min), while klaviyo.com kept answering our checks. The status page called it “Flow Sending Delays”.
- Started
- 17 Oct 2026, 18:06 UTC
- Ended
- 17 Oct 2026, 21:52 UTC
- Duration
- 3.8 h
- Seen by
- Klaviyo’s status page
Email me when Klaviyo goes down
One email when it looks down, one when it’s back. Free, no account: confirm by email, stop with one click.
//_01 Timeline
What happened, minute by minute
-
Klaviyo's status page reported: Flow Sending Delays
-
Recovered: Klaviyo reports it's working again
//_02 Measurements
Our checks and visitors’ reports around it
Response time
Visitors’ problem reports
No visitor reported a problem with Klaviyo around this outage.
Klaviyo’s own account of incidents is on its status page: status.klaviyo.com
Know before your users ask.
Uptimecheck checks your own websites, APIs and cron jobs as often as every minute, confirms every failure from a second location and alerts you before your users start searching.
14-day free trial · Then free on 5 monitors · No credit card