Two lanes. Never merged into one number.
01 ⁄ GUARDIAN-MEASURED · 90-DAY WINDOW · 30-DAY NARROW WINDOW
Measured by Guardian probes only. Mobile rows show a separately computed trailing 30-day percentage beside the 30 visible cells.
MCP servers □ NO DATA · no MCP servers monitored
02 ⁄ VENDOR-REPORTED · TRACKED SINCE 2026-07-02 · 57-DAY WINDOW
Vendor-reported components
As self-reported by Klaviyo’s official status feed, grouped to mirror its status page. Shown for reference. The Guardian-measured statuses and uptime below are probed independently and unaffected by this data.
API Operational 2 of 2 operational
Client-side Operational
Server-side Operational
Audience Operational 3 of 3 operational
Lists Operational
Profiles Operational
Segments Operational
Campaigns Operational 4 of 4 operational
Campaign Editor Operational
Email Sending Operational
Mobile Push Sending Operational
Text Message Sending Operational
Deliverability Operational 2 of 2 operational
Email Deliverability Operational
Text Message Deliverability Operational
Flows Operational 3 of 3 operational
Flow Editor Operational
Processing Operational
WhatsApp Sending Operational
Integrations Operational 6 of 6 operational
BigCommerce Operational
Magento Operational
Meta Operational
Other Operational
Shopify Operational
WooCommerce Operational
Platform Operational 5 of 5 operational
Klaviyo App Operational
Klaviyo Developers Operational
Klaviyo Help Center Operational
Klaviyo Marketing Operational
Klaviyo Support Operational
Service Operational 3 of 3 operational
Customer Agent Operational
Customer Hub Operational
Helpdesk Operational
Social Operational 2 of 2 operational
Auto-replies Operational
Content Operational
Website Operational 4 of 4 operational
Consent Pages Operational
Landing Pages Operational
Reviews Operational
Sign-up Forms Operational
Other components Operational 2 of 2 operational
Analytics Operational
Composer Operational
Vendor-reported data via status.klaviyo.com (not fetched yet)
Operational Degraded Performance Partial Outage Major Outage Maintenance No dataGrade: A ≥99.9% · B ≥99% · C ≥95% · D ≥90% · F <90%
03 ⁄ PAST INCIDENTS
Past incidents Aug 27, 2026
No incidents reported.
Aug 26, 2026
No incidents reported.
Aug 25, 2026
No incidents reported.
Aug 24, 2026
No incidents reported.
Aug 23, 2026
No incidents reported.
Aug 22, 2026
No incidents reported.
Aug 21, 2026
No incidents reported.
Aug 20, 2026
No incidents reported.
Aug 19, 2026
No incidents reported.
Aug 18, 2026
No incidents reported.
Aug 17, 2026
No incidents reported.
Aug 16, 2026
No incidents reported.
Aug 15, 2026
No incidents reported.
Aug 14, 2026
No incidents reported.
Aug 7, 2026
01:05 UTC VENDOR-REPORTEDVendor-reported ✓ RESOLVEDResolved Klaviyo App: Under maintenance · resolved after 45m
Aug 5, 2026
16:49 UTC VENDOR-REPORTEDVendor-reported ✓ RESOLVEDResolved Profiles: Partial outage · resolved after 50m
16:49 UTC VENDOR-REPORTEDVendor-reported ✓ RESOLVEDResolved Email Sending: Degraded performance · resolved after 50m
16:49 UTC VENDOR-REPORTEDVendor-reported ✓ RESOLVEDResolved Campaign Editor: Degraded performance · resolved after 50m
Jul 23, 2026
14:39 UTC VENDOR-REPORTEDVendor-reported ✓ RESOLVEDResolved WooCommerce: Degraded performance · resolved after 40m
14:39 UTC VENDOR-REPORTEDVendor-reported ✓ RESOLVEDResolved Server-side: Degraded performance · resolved after 40m
14:39 UTC VENDOR-REPORTEDVendor-reported ✓ RESOLVEDResolved Other: Degraded performance · resolved after 40m
14:39 UTC VENDOR-REPORTEDVendor-reported ✓ RESOLVEDResolved Magento: Degraded performance · resolved after 40m
14:39 UTC VENDOR-REPORTEDVendor-reported ✓ RESOLVEDResolved Lists: Degraded performance · resolved after 40m
14:39 UTC VENDOR-REPORTEDVendor-reported ✓ RESOLVEDResolved Profiles: Degraded performance · resolved after 40m
Jul 21, 2026
20:39 UTC VENDOR-REPORTEDVendor-reported ✓ RESOLVEDResolved Text Message Sending: Degraded performance · resolved after 20m
Jul 9, 2026
22:04 UTC VENDOR-REPORTEDVendor-reported ✓ RESOLVEDResolved List Subscription: Under maintenance · resolved after 1h
22:04 UTC VENDOR-REPORTEDVendor-reported ✓ RESOLVEDResolved Klaviyo API: Under maintenance · resolved after 1h
22:04 UTC VENDOR-REPORTEDVendor-reported ✓ RESOLVEDResolved Profiles: Under maintenance · resolved after 1h
01:54 UTC VENDOR-REPORTEDVendor-reported ✓ RESOLVEDResolved Integrations - Magento 2: Partial outage · resolved after 1h 25m
01:54 UTC VENDOR-REPORTEDVendor-reported ✓ RESOLVEDResolved Integrations - Magento: Partial outage · resolved after 1h 25m
01:54 UTC VENDOR-REPORTEDVendor-reported ✓ RESOLVEDResolved SMS Content: Degraded performance · resolved after 2h 40m
01:54 UTC VENDOR-REPORTEDVendor-reported ✓ RESOLVEDResolved Integrations - WooCommerce: Partial outage · resolved after 2h 40m
01:54 UTC VENDOR-REPORTEDVendor-reported ✓ RESOLVEDResolved Integrations - Shopify: Partial outage · resolved after 2h 40m
+4 more events this day not shown
Jul 7, 2026
15:34 UTC VENDOR-REPORTEDVendor-reported ✓ RESOLVEDResolved Flow Email Sending: Degraded performance · resolved after 1h 15m
15:34 UTC VENDOR-REPORTEDVendor-reported ✓ RESOLVEDResolved Campaign Email Sending: Degraded performance · resolved after 1h 15m
15:34 UTC VENDOR-REPORTEDVendor-reported ✓ RESOLVEDResolved Klaviyo App: Degraded performance · resolved after 25m
Jul 6, 2026
22:04 UTC VENDOR-REPORTEDVendor-reported ✓ RESOLVEDResolved List Subscription: Under maintenance · resolved after 1h
22:04 UTC VENDOR-REPORTEDVendor-reported ✓ RESOLVEDResolved Profiles: Under maintenance · resolved after 1h
21:04 UTC VENDOR-REPORTEDVendor-reported ✓ RESOLVEDResolved WhatsApp: Under maintenance · resolved after 35m
21:04 UTC VENDOR-REPORTEDVendor-reported ✓ RESOLVEDResolved Unsubscribe & Preference Pages: Under maintenance · resolved after 35m
21:04 UTC VENDOR-REPORTEDVendor-reported ✓ RESOLVEDResolved Signup Forms: Under maintenance · resolved after 35m
21:04 UTC VENDOR-REPORTEDVendor-reported ✓ RESOLVEDResolved Segmentation: Under maintenance · resolved after 35m
21:04 UTC VENDOR-REPORTEDVendor-reported ✓ RESOLVEDResolved SMS Sending - Toll Free Number SMS: Under maintenance · resolved after 35m
21:04 UTC VENDOR-REPORTEDVendor-reported ✓ RESOLVEDResolved SMS Sending - Toll Free Number MMS: Under maintenance · resolved after 35m
+26 more events this day not shown
Showing the 60 most recent of the last 90 days’ events.
Vendor-reported incidents are shown from Jul 2, 2026 , when Guardian began recording this status feed’s transitions. Earlier vendor incidents are not shown.