Full Answer
POST JSON with token, event name, customer email, event properties. Server-side event tracking endpoint.
Cherry Seed
How do I use the Klaviyo Track API?
Klaviyo server-side
event tracking API
email marketing data
Quick Answer
POST to https://a.klaviyo.com/api/track with JSON: token (public key), event (name), customer_properties (email required), properties (event data), time (optional timestamp). Returns 200 on success. Use for server-side event tracking (orders, custom actions, backend processes).