Campaign sending delays

Summary

Campaign sending delays

Campaign sending has been restored and the backlog of delayed campaigns has completed sending. This incident has been resolved.

• Started

  Jun 8, 2026 · 5:10 PM

• Resolved

  Jun 8, 2026 · 8:49 PM

• Duration

  3h 39m

• Severity

  Minor

• ◐

  Investigating

  Jun 8 · 5:10 PM Klaviyo

  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.

• ◆

  Identified

  Jun 8 · 5:19 PM Klaviyo

  We have identified the root cause and are working on a fix. We will share another update shortly.

• ◆

  Identified

  Jun 8 · 7:20 PM Klaviyo

  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.

• ◉

  Monitoring

  Jun 8 · 7:54 PM Klaviyo

  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.

• ✓

  Resolved

  Jun 8 · 8:49 PM Klaviyo

  Campaign sending has been restored and the backlog of delayed campaigns has completed sending. This incident has been resolved.