Klaviyo API is a critical component of Klaviyo's infrastructure. This component plays an essential role in the overall service delivery and user experience. We monitor Klaviyo API continuously to track its availability, performance, and health metrics.

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You can subscribe to receive instant notifications about Klaviyo API status changes, including outages, performance issues, and maintenance activities. Our notification system provides real-time alerts via email when this component experiences issues or when service is restored.

Statusfield

Klaviyo API Status

Q: Is Klaviyo API down right now?

No, Klaviyo API is operational. This component is functioning normally with no reported issues.

Operational

klaviyo.com ↗2 components

checked Sep 11, 2026 11:21 AM UTC · Klaviyo API's official status page

Is Klaviyo API Down Right Now?

No. Klaviyo API is up and running.

Klaviyo API is currently operational with all systems functioning normally.

All components operational

Email only. No password. Free.

All Klaviyo components

Service health

The record

90 day period · not affected by the range above

Availability

100.00%

This component only

Incidents

Recorded for API

Longest incident

44m

Single worst stretch

Availability counts operational or degraded time as available for this component alone. Partial outages count as half downtime and major outages count in full, scheduled maintenance is excluded from the calculation, and periods with no recorded status are counted as available rather than assumed down. Figures cover this component only — the service-wide record is on the API service page.

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Statusfield watches Klaviyo API alongside the rest of your stack and tells you when its status changes. Email, Slack, Microsoft Teams, PagerDuty, and webhooks.

Email only. No password. Free.

Inside API

2 sub-components under API, each with its own status history.

Frequently asked questions about Klaviyo API

Common questions about monitoring API and reading its status.

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