Developer releases free open-source API for 2026 US state sales tax data

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A developer behind the receipt tool ReceiptEdit has published a comprehensive sales tax dataset covering all 50 US states for 2026, releasing it on GitHub under the MIT license. The dataset includes statewide rates, average combined state and local rates, lodging taxes, and grocery taxation rules for each state. It is also accessible as a free REST API requiring no authentication, hosted at receiptedit.com. The data, available in JSON (~29 KB) and CSV (~6 KB) formats, was originally built to power the site's own tax calculators. Notable findings include five states with no statewide sales tax and Louisiana and Tennessee tied for the highest average combined rate at roughly 9.55%.

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