Klaviyo outage on Jun 3, 2026

What happened

Klaviyo reported a partial outage starting Jun 3, 2026, 14:23 UTC, affecting Shopify. It was marked resolved at Jun 3, 2026, 17:16 UTC.

• The incident lasted 2h 52m from first report to resolution.
• Klaviyo had reported 2 other partial or major outages in the 90 days before it.
• 5 other vendors we track reported a significant incident within 12 hours of it.

Latest update from Klaviyo

The issue affecting Shopify integrations has been resolved, and Shopify data syncing has returned to normal. Automated retry processes will continue to work through the backlog of affected requests. Some customers may see their integration in a failed state, but the retry processes will automatically fix this. Customers who saw errors while setting up a new Shopify integration can retry. This incident has been resolved.

Read Klaviyo's official incident report ↗

What our independent monitoring saw

Our independent monitoring of Klaviyo started after this incident, so this report is based on Klaviyo's status page.

Other outages around the same time

Significant incidents other vendors reported within 12 hours of this one.

• Partial outageGrafana CloudJun 3, 2026, 11:38 UTC

  Synthetic Scripted/Browser checks failure

• Partial outageOnceHubJun 3, 2026, 13:39 UTC

  An issue with our PayPal integration is preventing paid bookings from being scheduled and may trigger a "Unable to Complete Booking - Tempor

• Partial outageYotpo Loyalty & ReferralsJun 3, 2026, 14:12 UTC

  Failures in point redemptions creations

• Partial outageAmazon AdsJun 3, 2026, 19:54 UTC

  Amazon Marketing Stream / Streams (EU, FE, NA)

• Partial outageElastic CloudJun 4, 2026, 01:51 UTC

  Customers may see delays with creating Azure serverless projects

Klaviyo's overall reliability

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