Klaviyo experienced a notice incident on April 14, 2025 affecting Campaign Email Sending, lasting 40m. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- investigating Apr 14, 2025, 09:27 PM UTC
We are currently investigating an issue with campaign scheduling and cloning that began at approximately 4:40pm (US Eastern). We believe this issue is also impacting campaign sending. We will continue to keep this incident updated as we investigate further.
- identified Apr 14, 2025, 09:38 PM UTC
As of 5:30pm (US Eastern), we have identified the root cause of the issue and are working on a fix. We believe this issue also impacted segment and flow creation/editing.
- monitoring Apr 14, 2025, 09:48 PM UTC
As of 5:45pm (US Eastern), we have released a fix and users should no longer be experiencing this issue. Any messages that were delayed or failed to send properly during this window will be replayed or sent as normal.
- resolved Apr 14, 2025, 10:08 PM UTC
As of 6:07pm (US Eastern) all messages that were delayed or failed to send properly during this window have been sent. Marking this incident as Resolved.