Klaviyo incident

Campaign sending delays

Minor Ongoing View vendor source →

Klaviyo is currently experiencing a minor incident affecting Campaign Email Sending and SMS Sending - Toll Free Number SMS and 1 more component, which began 3h ago. The vendor's full update timeline is below.

Started
Jun 08, 2026, 09:10 PM UTC
Resolved
Ongoing
Duration
● 2h 59m
Detected by Pingoru
Jun 08, 2026, 09:10 PM UTC

Affected components

Campaign Email SendingSMS Sending - Toll Free Number SMSSMS Sending - Toll Free Number MMSSMS Sending - Short Code SMSSMS Sending - Short Code MMS

Update timeline

  1. investigating Jun 08, 2026, 09:10 PM UTC

    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.

  2. identified Jun 08, 2026, 09:19 PM UTC

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

  3. identified Jun 08, 2026, 11:20 PM UTC

    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.

  4. monitoring Jun 08, 2026, 11:54 PM UTC

    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.