POTAL's Developer Hub provides tools for e-commerce sellers to integrate real-time global shipping and tax calculations into their online stores. The platform addresses the challenge of accurately determining total landed costs for international transactions, including shipping fees, duties, and taxes, at the point of sale.
The service offers multiple integration options. Sellers can embed a JavaScript widget into their product pages by copying a code snippet, enabling automatic, real-time calculation of shipping and tax costs without requiring backend development. The widget supports customization of its behavior and appearance, including light and dark themes, and allows configuration via data attributes such as API key, product name, price, shipping cost, origin country, and theme. Callback events like onCalculated, onError, and onChange are available for further interaction and customization.
For custom implementations, POTAL provides a REST API. The API includes endpoints for calculating shipping, duties, and taxes for single or multiple products (up to 100 in batch requests). Authentication is required for most endpoints using API keys, with publishable keys for client-side use and secret keys for server-side integration. There is also a public endpoint to retrieve a list of supported countries. The platform supports integration with Shopify and offers detailed documentation and quick start guides to assist developers.
The Developer Hub is designed for e-commerce merchants and developers seeking to enhance their stores with accurate, real-time landed cost calculations for cross-border commerce. 9% uptime.
In the Business & Operations space, Developer Hub takes a focused approach. It focuses on calculating accurate landed costs, taxes, and shipping for global e-commerce transactions without manual research. It is built as a B2B product for e-commerce store owners and developers. Developer Hub follows a freemium model, with paid plans starting at $29. The product ships for the web, the command line, embeddable surfaces, and API.
It is developed by POTAL, and the product first shipped in 2026. Key capabilities include shipping calculator, tax calculation, and shopify integration. It exposes integrations via a public API.
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