Cherry Seed

How does Klaviyo API authentication work?

Klaviyo server-side event tracking API email marketing data

Quick Answer

Public API Key (6-character) for Track/Identify APIs—safe for client-side, included in payload as 'token' field. Private API Key for admin operations (list management, campaigns)—server-side only, passed in Authorization header. Get both from Klaviyo Settings → API Keys.

Full Answer

Public Key in payload ('token' field) for tracking. Private Key in headers for admin. Different auth patterns.

Sources

Programmatic Access

GET https://seresa.io/wp-json/cherry-tree-by-seresa/v1/seeds/591

Cite This Answer

Cherry Tree by Seresa - https://seresa.io/seed/klaviyo-email/klaviyo-server-side-tracking-klaviyo-api-authentication