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SalesTaxAPI provides a US sales tax rates API for developers, offering accurate and up-to-date tax data for all 50 states, counties, cities, and special districts. The API is updated daily from official government sources, with sub-100ms response times and 99.9% uptime.
AI named SalesTaxAPI from March 2026 to October 2026.
None of these answers cited salestaxapi.io. AI leaned on taxjar.com, avalara.com, and stripe.com.
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