Avonix Tariffs & Surcharges

Charge tariffs, surcharges, COD fees, and customer opt-in eco fees at checkout — all in one app.

Avonix lets you apply tariffs, surcharges, COD handling fees, and customer opt-in environmental fees to your Shopify checkout — all from a single app. Start from a template (COD, eco, tariff), target fees by country or state, and let customers add carbon offsets at checkout. Cash on Delivery fees apply automatically when COD is selected. Tariffs apply when shipping to matching countries.

• Custom COD, tariff, eco, and surcharge fees
• Country and state targeting with full ISO coverage
• Customer opt-in for carbon offset and environmental fees
• Fixed or percentage fees with automatic currency conversion
• Setup in minutes with built-in fee templates