Is Klaviyo API down?

Component status from Klaviyo's official status feed, refreshed within the last few minutes.

Klaviyo API is currently operational with no reported disruption. StatusBird checks Klaviyo every 2 minutes and alerts subscribers the moment anything changes.

Done. You'll get an email the moment Klaviyo has an outage.

What Klaviyo API does for your store

The Klaviyo API syncs orders, profiles, and events from your store into Klaviyo. When the API is down, new customer activity stops flowing in, so segments go stale and triggered flows miss the events that should start them.

How to tell if Klaviyo API is down for your store

• New orders and signups stop appearing on Klaviyo profiles
• Event-triggered flows stop firing for real store activity
• Your integration logs show 5xx responses or timeouts from a.klaviyo.com

How do I get notified when Klaviyo API has an outage?

1. Free email alert on this page. The form above emails you when Klaviyo enters a major or critical outage and again when it recovers. No account needed.
2. A StatusBird account. The free plan monitors 1 service with a live dashboard and a day-after incident digest. Pro ($29/month) checks all 84 services every 2 minutes and alerts by SMS, email, Slack, Teams or Discord. Plan details.
3. Klaviyo's own status page. status.klaviyo.com offers email, SMS, Slack, webhook, Atom and RSS subscriptions from the Subscribe button on status.klaviyo.com.

Full guide: Best downtime alert services for online store owners (2026).

Klaviyo 90-day reliability

Klaviyo overall has maintained 99.89% uptime over the past 90 days with 1 major or critical incident, based on StatusBird checks every 2 minutes. See the full Klaviyo status page for incident history.

Other Klaviyo components

• Klaviyo overall status
• Klaviyo Email Sending status
• Klaviyo SMS Sending status
• Klaviyo Sign-up Forms status