Campaign and flow page loading errors

Summary

Campaign and flow page loading errors

Analytics processing for campaigns and flows is fully caught up and operating normally. We appreciate your patience throughout this incident. This incident has been resolved.

• Started

  May 8, 2026 · 11:02 AM

• Resolved

  May 8, 2026 · 8:31 PM

• Duration

  9h 29m

• Severity

  Minor

• ◐

  Investigating

  May 8 · 11:02 AM Klaviyo

  We are currently investigating reports of errors loading campaign and flow pages within Klaviyo. Campaign and flow sending is not impacted. Our engineering team is actively working to identify and resolve the issue. We'll provide updates as soon as more information is available.

• ◆

  Identified

  May 8 · 1:10 PM Klaviyo

  We have identified the root cause of the errors and our engineering team is actively working toward a resolution. We'll provide updates as soon as more information is available.

• ◆

  Identified

  May 8 · 2:37 PM Klaviyo

  System performance is improving, and users can now access campaigns pages to complete scheduling. We determined these errors resulted from a combination of instability with an upstream infrastructure provider (AWS) and a significant increase in retry traffic. We continue to monitor closely and appreciate your patience throughout this incident.

• ◆

  Identified

  May 8 · 4:19 PM Klaviyo

  Sending, scheduling, and other core functions are operating normally. Analytics for campaigns and flows are currently delayed by approximately 2 hours. These issues are tied to instability with an upstream infrastructure provider (AWS) and we are continuing to work through them. We'll provide updates as soon as we have more to share.

• ◉

  Monitoring

  May 8 · 7:13 PM Klaviyo

  Analytics processing for campaigns and flows is recovering and the delay is decreasing. Sending, scheduling, and other core functions remain fully operational. We're monitoring closely and will confirm once analytics return to normal operation.

• ✓

  Resolved

  May 8 · 8:31 PM Klaviyo

  Analytics processing for campaigns and flows is fully caught up and operating normally. We appreciate your patience throughout this incident. This incident has been resolved.