Taxify is a paid API for calculating U.S. sales tax in real time. It includes state, county, city and special-district taxes, using a customer’s full address for what the service describes as rooftop-accurate rates. Taxify says updates are applied across more than 11,000 U.S. jurisdictions, including exemptions and sales-tax holidays. The API includes address validation and lists AI-assisted product tax-code mapping. The company reports a sub-100ms average response time and 99.99% uptime, and says the engine scales from a few transactions to thousands per minute for high-volume merchants and growing businesses. Taxify can be integrated with ecommerce solutions through its team. Starter allows 200 calculations monthly and one user; Business allows 5,000; Enterprise allows 20,000 or more.
Who it is for
Taxify suits merchants and growing businesses that need sales-tax calculations through an API. Its stated audience includes high-volume sellers with varying transaction volumes.
What is good
- Real-time sales-tax calculation
- Updates across 11,000-plus U.S. jurisdictions
- Built-in address validation
- Scales to thousands of transactions per minute
- Free trial requires no credit card
What to know first
- No free plan
- API is the only listed platform
Verdict
Taxify focuses on address-based U.S. sales-tax calculation through an API, with jurisdiction updates and volume-based plans. Buyers should confirm pricing and trial length before choosing a tier.
Taxify plans and pricing
All plansCompared on tax compliance software
- Free plan
- No
- Supported tax types
- sales tax
- Sales tax calculation
- Yes
- API access
- Yes


