The PostalMethods Web Service is versioned. Published methods are kept unchanged. When developing, it is highly recommended that a versioned URI is used to insure that the same version of the Web Service is used.
The PostalMethods Web Service WSDL may be accessed at the following endpoints:
Access by XML SOAP
SSL over HTTP, port 443
Reroute to the current version: https://api.postalmethods.com/PostalMain.asmx?WSDL
Direct URI of the current version: https://api.postalmethods.com/2009-02-26/PostalWS.asmx?WSDL
Access by HTTP POST
SSL over HTTP, port 443
Reroute to the current version: https://api.postalmethods.com/PostalMain.asmx
Direct URI of the current version: https://api.postalmethods.com/2009-02-26/PostalWS.asmx
Unencrypted access the Web Service, over port 80 is available but not recommended. Use “http” instead of “https” in the above URIs.
