Ziptax Sales Tax API

Connects to the zip.tax API over SSE to retrieve real-time US and Canadian sales tax rates. Exposes operations for calculating tax by street address or coordinates, normalizing addresses through USPS, and getting geolocation data. You'd reach for this when building e-commerce checkouts, invoicing systems, or any application that needs to collect accurate sales tax at transaction time. The underlying API handles the complexity of jurisdiction-specific rates and stays current with regulatory changes, so you don't have to maintain tax tables yourself. Built by the zip.tax team with code samples available in Go, Python, Node.js, and Scala.