Klaviyo change history: Klaviyo Helpdesk, Customer Hub, and Customer Agent services Outage

Klaviyo reported a major outage affecting Helpdesk, Customer Hub, and Customer Agent’s onsite web chat, starting at 2025-11-28 20:27 UTC. The incident lasted 1 h 38 min and was resolved at 2025-11-28 22:05 UTC; Klaviyo reported restoring access and monitoring stability.