Outage in Klaviyo
Duplicate Flow Sends
Resolved Minor
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Outage Details
From 1:39-2:47PM US/Eastern on 7/2/25, Klaviyo users may have had duplicate flow messages sent to their profiles. Customers received the original message as expected, but may have received duplicate versions in the minutes to follow. Duplicate sending is no longer occurring.
Our Engineering Team is investigating any downstream effects and will provide an update once we have more information.
Components affected
Klaviyo Flow Email SendingLatest Updates ( sorted recent to last )
RESOLVED
about 2 hours ago - at 07/03/2025 06:29PM
The team continues to work through the appropriate adjustments to billing as a result of these duplicate sends. We expect to follow up with impacted customers early next week with more information once this work has been completed.
IDENTIFIED
about 21 hours ago - at 07/02/2025 10:58PM
We're continuing to work through repairs to billing as a result of the duplicate sends and will provide credits to the impacted accounts. We'll provide another update once we have more information to share.
IDENTIFIED
1 day ago - at 07/02/2025 07:41PM
From 1:39-2:47PM US/Eastern on 7/2/25, Klaviyo users may have had duplicate flow messages sent to their profiles. Customers received the original message as expected, but may have received duplicate versions in the minutes to follow. Duplicate sending is no longer occurring.
Our Engineering Team is investigating any downstream effects and will provide an update once we have more information.
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