Klaviyo Cost Tuning Overview Optimize Klaviyo costs through active profile management, list hygiene, event sampling, and API usage monitoring. Klaviyo bills primarily by active profiles and message volume , not API calls. Prerequisites - Access to Klaviyo billing dashboard - Understanding of active profile definition - SDK for programmatic management Klaviyo Pricing Model Klaviyo bills based on active profiles (contacts who have received or been targeted by marketing), not API requests. | Component | How It's Billed | Cost Driver | |-----------|----------------|-------------| | Email | Per ac…