Klaviyo outage, 22 October 2026
Outbound Webhook Delays
- Started
- Resolved
- 23 Oct 2026, 13:06 UTC (after 14 h 46 min)
- Impact
- Major
- Affected
- Analytics
Is this still happening?
No. Klaviyo marked this incident resolved on 23 Oct 2026, 13:06 UTC, 14 h 46 min after it began.
Right now: Klaviyo reports all systems operational. (as of 26 Oct, 03:47 UTC) Live Klaviyo status
Last update from Klaviyo
Event webhook delivery was fully restored at 2:40 AM US/Eastern on October 23, 2026 after the backlog was processed. Webhook data was retained, and webhook actions in flows were not affected. We apologize for the disruption this caused. This incident has been resolved.
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