Klaviyo: Elevated errors for SMS opt-ins, scheduling, and sending
Klaviyo's status page listed this on 22 July 2026. Lasted 33 min, filed against Text Message Sending and WhatsApp Sending. This is their record, not a measurement of ours.
What happened
Started
Resolved
Lasted33 min
What failedText Message Sending and WhatsApp Sending
Their impactMajor
Regions: their page does not say which. Ours checks from three cities, and the screen we saw is on our own incident pages, where there is one.
What Klaviyo said
On their page: Elevated errors for SMS opt-ins, scheduling, and sending
Klaviyo's status page: “We are currently investigating an issue impacting SMS subscriptions, delays in SMS sending, and errors when creating or scheduling SMS and WhatsApp campaigns. We are working to restore normal service as quickly as possible. We will share another update as soon as we have more information.”Investigating
Klaviyo's status page: “We have identified the cause of the issue and a fix has been implemented. We are starting to see improvements in system performance.”Identified
Klaviyo's status page: “System performance for SMS opt-in forms, sending, and campaign creation and scheduling remains stable. We continue to monitor closely and appreciate your patience throughout this incident.”Monitoring
Klaviyo's status page: “SMS subscriptions, SMS sending, and the creation and scheduling of SMS and WhatsApp campaigns are operating as expected. This incident has been resolved.”Resolved
What our own check saw
Nothing of ours failed that day, which is worth knowing: their incident did not reach the parts we check, or we were not checking Klaviyo yet.
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