In order to use DIDWW Production API you will need to do the following:
1. Change authentication key to: username + security key
2. Change the DIDWW API wsdl address to: http://api.didww.com/api2/?wsdl
2. Change the DIDWW API wsdl address to: http://api.didww.com/api2/?wsdl
For more information please visit open.didww.com

How Do I Access the Production API?