Outage in Klaviyo

Facebook Ads are not syncing correctly

Resolved Minor
November 02, 2025 - Started 3 days ago - Lasted about 11 hours
Official incident page

Incident Report

As of 1:00 AM ET (approximately one hour ago), our Facebook integration sync encountered a failure, resulting in a temporary delay in data sync. We have confirmed that no data has been lost, and the system failure is strictly impacting sync times. The root cause has been successfully identified, and our engineering team is actively working on deploying the necessary fix.
Components affected
Klaviyo Integrations - Other

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Latest Updates ( sorted recent to last )
RESOLVED 3 days ago - at 11/02/2025 05:41PM

The incident is now resolved. All delayed data for Facebook Integrations, which occurred between 1:00 AM and 2:00 AM, has been fully restored.

MONITORING 3 days ago - at 11/02/2025 01:13PM

A fix has been identified and we are monitoring the results.

IDENTIFIED 3 days ago - at 11/02/2025 07:03AM

As of 1:00 AM ET (approximately one hour ago), our Facebook integration sync encountered a failure, resulting in a temporary delay in data sync. We have confirmed that no data has been lost, and the system failure is strictly impacting sync times. The root cause has been successfully identified, and our engineering team is actively working on deploying the necessary fix.

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