These examples demonstrate our SOAP API, see:
Overview:
http://www.simplypostcode.com/net-soap-web-service-postcode-software.htm


Test Postcodes:
http://www.simplypostcode.com/faq-test-postcodes.htm


You will need to add the data key, which is used to identify your account.

Please open an account with us on-line to get the data key for 30 day evaluation, from 
the menu option at top right of www.simplypostcode.com