Marketing
Is Klaviyo reliable?
B+
StatusBird reliability grade
based on 90 days of monitoring
based on 90 days of monitoring
99.71%
90-day uptime
2
Incidents (90 days)
163 min
Avg incident length
Jun 12, 2026
Last incident
Over the last 90 days, StatusBird's independent monitoring detected 2 incidents affecting Klaviyo, with a typical disruption lasting about 163 minutes. If your store depends on Klaviyo, each of those windows is time when customers may have hit errors before you heard about it.
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