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Dev tools · March 7, 2026

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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  • POTALMar 2026 · potal.app · ▲2

    140 cross-border trade features. All free, forever.

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  • AR
    A REST API for Calculating VAT in the EU2017 · vatmossapi.com · ▲59
  • TC
    Tariff 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

  • Zentria FlowJun 2026 · zentriaflow.com · ▲9

    Know your true import cost before you place an order

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