Klaviyo outage history
25 incidents from the official Klaviyo status page, the oldest from 26 April 2026.
October 2026 2
-
, resolved after 2 h 5 min
Analytics Events Processing Delays
Impact: minor
-
, resolved after 1 h 12 min
Impact: critical
September 2026 3
-
, resolved after 2 h 2 min
Impact: minor
-
, resolved after 2 h 35 min
Impact: minor
-
, resolved after 4 h 21 min
Sending delays for event-triggered flows
Impact: minor
August 2026 4
-
, resolved after 3 h 33 min
Issue with Time Delays in Flows
Impact: major
-
, resolved after 1 h 23 min
Delays in real-time segmentation
Impact: minor
-
, resolved after 9 min
-
, resolved after 1 h 7 min
Delays affecting campaign scheduling, preview emails, and double opt-in confirmations
Impact: minor
July 2026 5
-
, resolved after 1 h 26 min
Impact: minor
-
, resolved after 33 min
Elevated errors for SMS opt-ins, scheduling, and sending
Impact: major
-
, resolved after 43 h 8 min
Catalog Webhook Processing Delays
Impact: minor
-
, resolved after 1 h 23 min
Klaviyo Loading Errors and Sending Delays
Impact: minor
-
, resolved after 2 h
Yahoo PH01 Block - Email Bounces to Yahoo/AOL Recipients
Impact: minor
June 2026 5
-
, resolved after 2 h 40 min
Impact: major
-
, resolved after 59 min
Errors when attempting to select templates for campaigns
Impact: minor
-
, resolved after 3 h 39 min
Impact: minor
-
, resolved after 5 h 47 min
Impact: critical
-
, resolved after 2 h 52 min
Impact: major
May 2026 5
-
, resolved after 3 h 54 min
Impact: minor
-
, resolved after 1 h 27 min
Impact: minor
-
, resolved after 9 h 29 min
Campaign and flow page loading errors
Impact: minor
-
, resolved after 17 h 32 min
Impact: minor
-
, resolved after 2 days
Impact: critical
April 2026 1
-
, resolved after 47 min
Impact: minor