Customer.io Cost Tuning Overview Optimize Customer.io costs by managing profile count (the primary billing driver), suppressing/deleting inactive users, deduplicating events, reducing unnecessary API calls, and monitoring usage trends. How Customer.io Pricing Works Customer.io bills based on profile count (number of identified people in your workspace) and email/SMS volume . Key cost drivers: | Factor | Impact | Optimization Strategy | |--------|--------|----------------------| | Total profiles | Primary cost driver | Delete inactive profiles | | Email sends | Per-email cost above tier | Supp…