E-commerce Sales Tax API for Multi-Jurisdiction Compliance

Get precise tax rates via API for any US address with rooftop-level accuracy

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Rooftop-Level Precision

Address-specific tax rates for all US jurisdictions

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Compliance Guarantee

Tax rates updated daily to ensure multi-state compliance

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Sub-100ms Response

Lightning-fast API delivers tax rates for seamless checkout

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Easy Tax Integration

Developer-friendly REST API with comprehensive documentation

Why Choose SalesTaxIQ for Your Tax Compliance Needs?

Get exact sales tax rates, not zip code estimates
Stay audit-ready with accurate tax jurisdiction tracking
Eliminate manual tax calculation errors and refund requests
Focus on growth while we handle your tax determination

Calculate Accurate Sales Tax Rates

Try our real-time sales tax lookup for any US address and see rooftop-level precision in action

Enter Address for Tax Calculation

Tax Rate Results

Enter an address to see accurate tax jurisdiction rates

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Rooftop-Level Tax Accuracy
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Precise to the exact address, not just ZIP code
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Real-Time Tax Determination
85ms
Average API response time
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Always Tax Compliant
Tax rates updated daily across all jurisdictions

Seamless E-commerce Tax Integration

Simple REST API integration with any e-commerce platform
Real-time tax rate lookup during checkout process

Sales Tax API Pricing Plans

Transparent pricing with options for businesses of all sizes