Klaviyo earns a B+ reliability grade from StatusBird based on the last 90 days of independent monitoring at 2-minute intervals, with 99.73% uptime and 2 detected incidents.

What is Klaviyo's uptime?

Klaviyo's measured uptime over the last 90 days is 99.73%, counting major and critical outages, based on StatusBird checks every 2 minutes. The average incident lasted about 163 minutes.

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Is Klaviyo reliable?

B+ StatusBird reliability grade
based on 90 days of monitoring

Data updated: July 28, 2026 · Methodology

99.73%

90-day uptime

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.

Live status: is Klaviyo down right now? Embed this status on your site

Klaviyo guides

Is Klaviyo reliable? Uptime data and outage history
What to do when Klaviyo goes down: a store owner's playbook
How often does Klaviyo go down? 90 days of data

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