Avonix Tariffs & Surcharges

Avonix Tariffs & Surcharges lets you add tariffs, surcharges, COD fees, and eco fees to your Shopify checkout in one app. Apply Cash on Delivery handling fees automatically when customers select COD as their payment method. Set up tariffs that trigger when shipping to specific countries, or add surcharges based on state or region targeting. The app includes customer opt-in environmental fees and carbon offset options at checkout. Choose from ready-made templates for COD, tariffs, and eco fees to get started quickly. Configure fixed or percentage-based fees with automatic currency conversion. Full ISO country and state coverage ensures accurate fee targeting wherever you ship.