Integration Overview

It's easy — and affordable — to start getting accurate sales tax informaiton by integrating Tax Data Service API into your website.

WSDL - Simple Edition :

WSDL - Economy Edition :

WSDL - Address Validation + Zip4 :

SOAP - Simple Edition :

SOAP - Economy Edition :

SOAP - Address Validation + Zip4 :

Required Information: Our web services requires authentication credentials. If you are registered with TaxDataService, use your UserID and Password Or please register a trial account by clicking here.

Sample Source Code

Products C# VB.NET PHP
Simple Edition Download Download Download
Economy Edition Download Download Download
Address Validation + Zip4 Edition Download Download Download

Desktop Lookup Tool

Products Download
Simple Edition Download
Economy Edition Download
Address Validation + Zip4 Edition Download

Additional Documentation

This document contains example input/output for the Sales and Use Tax Web service.

Simple Edition

Economy Edition

Address Validation + Zip4 Edition

General Information