Klaviyo experienced a notice incident on August 12, 2026 affecting Email Sending and Text Message Sending and 1 more component, lasting 9m. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- monitoring Aug 12, 2026, 06:04 PM UTC
Between 1:15 PM and 2:00 PM US/Eastern on August 12, 2026, some customers experienced errors when scheduling campaigns, and some scheduled campaigns were canceled. If you scheduled a campaign during this window, we recommend checking its status in your account. A fix has been deployed and system performance is improving. We continue to monitor closely and will confirm once fully resolved.
- resolved Aug 12, 2026, 06:14 PM UTC
Campaign scheduling has returned to normal operation. If you scheduled a campaign between 1:15 PM and 2:00 PM US/Eastern on August 12, 2026, we recommend checking its status and rescheduling if needed. This incident has been resolved.