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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 :
http://services.taxdataservice.com/TaxSimpleService.svc?WSDL

WSDL - Economy Edition :
http://services.taxdataservice.com/TaxEconomyService.svc?WSDL

WSDL - Address Validation + Zip4 :
http://services.taxdataservice.com/USAddressVerificationZip4.svc?WSDL

SOAP - Simple Edition :
http://services.taxdataservice.com/TaxSimpleService.asmx

SOAP - Economy Edition :
http://services.taxdataservice.com/TaxEconomyService.asmx

SOAP - Address Validation + Zip4 :
http://services.taxdataservice.com/USAddressVerificationZip4.asmx

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