← Klaviyo status
INCIDENT RESOLVED
Klaviyo
✓Sending delays for event-triggered flows
Updated
Resolved
17:30Started
2Timeline events
Confirmed by the official source.
Executive summary
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Summary
Klaviyo reported delays affecting event-triggered flows. The service says scheduled campaigns and other areas of Klaviyo are not affected, and later reported that recovery is underway while delayed messages are processed.
What users experienced
- User impact
Some customers may experience delayed event-triggered flow messages, with delays reported at approximately two hours during the incident.
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Started
17:3014 Sep 2026Timeline of the incident
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Detection
Confirmed by an official service source.
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Resolution
The service is no longer reporting this incident as active.
What we know
- ✓Event-triggered flows were reported as delayed.
- ✓Affected areas included flow email, text message, WhatsApp, mobile push sending, and flow processing.
- ✓Scheduled campaigns and other areas of Klaviyo were reported as unaffected.
- ✓Delays were reported at approximately two hours before recovery began.
- ✓Klaviyo reported that delayed messages would continue sending automatically as the backlog cleared.