
POTAL
Instant duty & tax API for global sellers
What it does
POTAL is the Total Landed Cost API for cross-border commerce. Calculate import duties, VAT/GST, and customs fees for 181+ countries in milliseconds. REST API, Shopify app, and AI agent integrations (GPT, Claude, Gemini). Free tier included. Built by a solo founder with AI.
Does the same job
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- ARA REST API for Calculating VAT in the EU2017 · vatmossapi.com · ▲59
- TCTariff Calculator for Amazon2025 · twitter.com · ▲35
I made a simple tariff calculator extension for Amazon. It queries gemini flash 2.0 to determine the category, and then matches it with the corresponding tariff category. Fun quick hack – it does brick a little – but the majority of the code was cobbled by a first pass of Claude Code Repo is here: https://github.com/mergd/amzn-tariff

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