All Systems Operational

Platform Operational
Klaviyo App Operational
Klaviyo Support Operational
Klaviyo Help Center Operational
Klaviyo Developers Operational
Klaviyo Marketing Operational
API Operational
Server-side Operational
Client-side Operational
Composer Operational
Campaigns Operational
Email Sending Operational
Text Message Sending Operational
WhatsApp Sending Operational
Mobile Push Sending Operational
Campaign Editor Operational
Flows Operational
Email Sending Operational
Text Message Sending Operational
WhatsApp Sending Operational
Mobile Push Sending Operational
Flow Editor Operational
Processing Operational
Website Operational
Sign-up Forms Operational
Landing Pages Operational
Consent Pages Operational
Customer Hub Operational
Reviews Operational
Social Operational
Auto-replies Operational
Content Operational
Service Operational
Customer Agent Operational
Helpdesk Operational
Audience Operational
Lists Operational
Segments Operational
Profiles Operational
Analytics Operational
Integrations Operational
Shopify Operational
Meta Operational
WooCommerce Operational
BigCommerce Operational
Magento Operational
Other Operational
Deliverability Operational
Email Deliverability Operational
Text Message Deliverability 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.

Sep 18, 2026

No incidents reported today.

Sep 17, 2026

Resolved - Flow message sending has fully recovered and is processing at normal speeds. Delayed messages were not lost and have since been delivered. This incident has been resolved.
Sep 17, 15:46 EDT
Monitoring - Flow message sending is recovering, and delays are continuing to clear. Some customers may still see flow messages send later than expected as remaining processing catches up. We continue to monitor closely and appreciate your patience throughout this incident.
Sep 17, 15:21 EDT
Update - We are seeing early signs of improvement and continue to work towards full recovery. Customers may still see flow messages send later than expected. We will share another update shortly.
Sep 17, 14:30 EDT
Identified - We have identified the cause of the delays affecting flow message sending and are working on a fix. Some customers may continue to see flow messages send later than expected while we resolve this. We will share another update shortly.
Sep 17, 13:31 EDT
Investigating - We are investigating reports of delays affecting flow message sending. Some customers may see flow messages send later than expected. We will share another update as soon as we have more information.
Sep 17, 13:10 EDT

Sep 16, 2026

No incidents reported.

Sep 15, 2026

No incidents reported.

Sep 14, 2026

Resolved - The backlog of delayed event-triggered flows has been fully processed and all systems are now operating normally. We apologize for the disruption this caused. This incident has been resolved.
Sep 14, 21:51 EDT
Monitoring - Event-triggered flow processing is recovering, and our systems are now working through the backlog of delayed messages. Delayed messages will continue to send automatically as the backlog clears. A fix has been deployed and system performance is improving. We continue to monitor closely and appreciate your patience throughout this incident.
Sep 14, 21:07 EDT
Update - Our team is continuing to implement a fix to mitigate the delays affecting event-triggered flows. Delays to affected flows remain at approximately 2 hours. We are working to resolve this as quickly as possible and will share another update shortly.
Sep 14, 20:25 EDT
Identified - We have identified the cause of the delays affecting event-triggered flows. Affected flows may see delays of approximately 2 hours. Our team is now working on a fix to restore processing back to normal speed. We are working to resolve this as quickly as possible and will share another update shortly.
Sep 14, 19:18 EDT
Update - We are continuing to investigate the delays affecting event-triggered flows. Some customers may see these flows send with delays of approximately 90 minutes while we work to restore normal performance. We will provide another update shortly.
Sep 14, 18:22 EDT
Investigating - We are currently investigating a delay in the sending of event-triggered flows. Some customers may see these flows send later than expected. Scheduled campaigns and other areas of Klaviyo are not affected. We will share another update as soon as we have more information.
Sep 14, 17:30 EDT

Sep 13, 2026

No incidents reported.

Sep 12, 2026

No incidents reported.

Sep 11, 2026

No incidents reported.

Sep 10, 2026

No incidents reported.

Sep 9, 2026

No incidents reported.

Sep 8, 2026

No incidents reported.

Sep 7, 2026

No incidents reported.

Sep 6, 2026

No incidents reported.

Sep 5, 2026

No incidents reported.

Sep 4, 2026

No incidents reported.