Quick Start Guides C# ColdFusion VB.NET VBScript PHP PHP with cURL Ruby Java API Reference Methods Types FAQ General Technical Glossary Postal Address Verification Quick Start: C# There are three steps to integrating the PAV API into your Visual Studio C# project: 1. Obtain a CDYNE License Key. Sign up for an account and complete the request form. 2. Add a PAV service reference into your project In order to call the PAV API, you'll need to add a service reference into your project. a. Open your Visual Studio project. Right-click on the Project tab and select the Add > Service Reference option as shown in the diagram. b. Enter http://pav3.cdyne.com/PavService.svc?wsdl and click Go. c. Confirm that once the wizard has successfully contacted the PAV service, the service will be displayed in the Services column and a success message will be displayed. d. You can change the Namespace to reflect the name of your project (optional). e. Click OK and the service will be added to your project as shown. 3. Call the desired PAV Address Verification method Create an instance of the PavServiceClient and call the method (as shown in the example).