Outage in Klaviyo
Campaign sending delays
Resolved MinorIncident Report
Summary AI Generated
Klaviyo experienced campaign sending delays for 3.7 hours, where email and SMS campaigns became stuck in processing status. The issue affected all campaign sending components including email, toll-free SMS/MMS, and short code SMS/MMS services. The root cause was identified and fixed, with all delayed campaigns successfully delivered and normal service restored.
Some customers may be experiencing delays with campaign sending, where sends are currently stuck in processing. We are investigating the issue and will provide an update as soon as we have more information.
Components affected
Klaviyo Campaign Email Sending Klaviyo SMS Sending - Toll Free Number SMS Klaviyo SMS Sending - Toll Free Number MMS Klaviyo SMS Sending - Short Code SMS Klaviyo SMS Sending - Short Code MMSTrusted by 1,000+ teams
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Latest Updates ( sorted recent to last )
RESOLVED
about 3 hours ago - at 06/09/2026 12:49AM
Campaign sending has been restored and the backlog of delayed campaigns has completed sending. This incident has been resolved.
MONITORING
about 4 hours ago - at 06/08/2026 11:54PM
We have deployed a fix and campaign sending is recovering. We are processing the backlog of delayed campaigns and expect to deliver them shortly. We continue to monitor closely and appreciate your patience throughout this incident.
IDENTIFIED
about 4 hours ago - at 06/08/2026 11:20PM
We are continuing to work through the fix for this issue. We are working to resolve this as quickly as possible and will share another update shortly.
IDENTIFIED
about 6 hours ago - at 06/08/2026 09:19PM
We have identified the root cause and are working on a fix. We will share another update shortly.
INVESTIGATING
about 6 hours ago - at 06/08/2026 09:10PM
Some customers may be experiencing delays with campaign sending, where sends are currently stuck in processing. We are investigating the issue and will provide an update as soon as we have more information.
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