All Systems Operational

Uptime over the past 90 days. View historical uptime.
Klaviyo App Operational
90 days ago
99.99 % uptime
Today
Klaviyo App Operational
90 days ago
99.99 % uptime
Today
Klaviyo Support Operational
Klaviyo API Operational
90 days ago
99.92 % uptime
Today
Email Sending Operational
90 days ago
99.92 % uptime
Today
Campaign Email Sending Operational
90 days ago
100.0 % uptime
Today
Flow Email Sending Operational
90 days ago
99.85 % uptime
Today
Email Deliverability Operational
Email Content Operational
SMS Sending Operational
90 days ago
100.0 % uptime
Today
SMS Sending - Toll Free Number SMS Operational
90 days ago
100.0 % uptime
Today
SMS Sending - Toll Free Number MMS Operational
90 days ago
100.0 % uptime
Today
SMS Sending - Short Code SMS Operational
90 days ago
100.0 % uptime
Today
SMS Sending - Short Code MMS Operational
90 days ago
100.0 % uptime
Today
SMS Sending - Other Operational
SMS Deliverability Operational
SMS Content Operational
SMS Number Provisioning Operational
Mobile Push Sending Operational
90 days ago
100.0 % uptime
Today
Integrations Operational
90 days ago
100.0 % uptime
Today
Integrations - Shopify Operational
90 days ago
100.0 % uptime
Today
Integrations - WooCommerce Operational
90 days ago
100.0 % uptime
Today
Integrations - BigCommerce Operational
90 days ago
100.0 % uptime
Today
Integrations - Magento Operational
90 days ago
100.0 % uptime
Today
Integrations - Magento 2 Operational
90 days ago
100.0 % uptime
Today
Integrations - Other Operational
Analytics Operational
90 days ago
100.0 % uptime
Today
Segmentation Operational
90 days ago
100.0 % uptime
Today
Reviews Operational
90 days ago
100.0 % uptime
Today
Flow Triggering Operational
List Subscription Operational
Signup Forms Operational
Unsubscribe & Preference Pages Operational
Klaviyo.com Operational
Klaviyo Help Center Operational
Klaviyo Developers Operational
Profiles ? Operational
Operational
Degraded Performance
Partial Outage
Major Outage
Maintenance
Major outage
Partial outage
No downtime recorded on this day.
No data exists for this day.
had a major outage.
had a partial outage.

No incidents or maintenance related to this downtime.

Jul 11, 2025

No incidents reported today.

Jul 10, 2025

No incidents reported.

Jul 9, 2025

No incidents reported.

Jul 8, 2025
Delays in Event Processing
Resolved - Event processing has been fully restored. This incident is now resolved.
Jul 8, 15:50 EDT
Monitoring - We have mitigated the delays and event-processing has been restored to real-time. There was no data loss as a result of this incident. We’re continuing to monitor and will post another update once we have fully cleared any backlog of processing data.
Jul 8, 15:44 EDT
Investigating - We are currently experiencing delays in event processing. Customers may see delays in event data syncing, event-triggered flows sending, and real-time segmentation.

We are in the process of restoring normal operations and will continue to provide updates here.
Jul 8, 15:20 EDT
Jul 7, 2025

No incidents reported.

Jul 6, 2025

No incidents reported.

Jul 5, 2025

No incidents reported.

Jul 4, 2025

No incidents reported.

Jul 3, 2025
Duplicate Flow Sends
Resolved - The team continues to work through the appropriate adjustments to billing as a result of these duplicate sends. We expect to follow up with impacted customers early next week with more information once this work has been completed.
Jul 3, 14:29 EDT
Update - We're continuing to work through repairs to billing as a result of the duplicate sends and will provide credits to the impacted accounts. We'll provide another update once we have more information to share.
Jul 2, 18:58 EDT
Identified - From 1:39-2:47PM US/Eastern on 7/2/25, Klaviyo users may have had duplicate flow messages sent to their profiles. Customers received the original message as expected, but may have received duplicate versions in the minutes to follow. Duplicate sending is no longer occurring.

Our Engineering Team is investigating any downstream effects and will provide an update once we have more information.
Jul 2, 15:41 EDT
Jul 2, 2025
Jul 1, 2025

No incidents reported.

Jun 30, 2025

No incidents reported.

Jun 29, 2025

No incidents reported.

Jun 28, 2025
Delays in email & mobile push event processing
Resolved - Email message events are now processing in real-time, and the team is replaying any dropped events.
Jun 28, 11:58 EDT
Identified - We have addressed the underlying issue and have begun processing email message events. We expect to process all of the delayed events with no data loss.

The team determined that push message events were not impacted.
Jun 28, 10:46 EDT
Investigating - We are currently investigating a delay in event processing for email & mobile push related events such as delivered, open, and click events. The delay began at 2:00AM (US Eastern). Any email or push message reporting and segments based on email or push events will be outdated. Message sending is not impacted. We are working to resolve this delay in event processing.
Jun 28, 09:50 EDT
Jun 27, 2025

No incidents reported.

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