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 with full ISO coverage. Customers can opt in to carbon offset and environmental fees at checkout. Choose fixed or percentage-based fees with automatic currency conversion. Start quickly using built-in templates for COD, tariffs, and eco fees, then customize country and state targeting to match your business needs.