The way to use WSDL for e-conomic:
wsdl https://api.e-conomic.com/secure/api1/economicwebservice.asmx?wsdl /protocol:SOAP12
And if you Add a service reference in Visual Studio use:
https://api.e-conomic.com/secure/api1/economicwebservice.asmx?wsdl
wsdl https://api.e-conomic.com/secure/api1/economicwebservice.asmx?wsdl /protocol:SOAP12
And if you Add a service reference in Visual Studio use:
https://api.e-conomic.com/secure/api1/economicwebservice.asmx?wsdl