Salesforce provided Enterprise & Partner WSDL
Salesforce Partner WSDLs The API provides two WSDLs to choose from: Enterprise Web Services WSDL —Used by enterprise developers to build client applications for a single Salesforce organization. The enterprise WSDL is strongly typed, which means that it contains objects and fields with specific data types, such as int and string. Customers who use the enterprise WSDL document must download and re-consume it when changes are made to the custom objects or fields in their org or when they want to use a different version of the API. To access the current WSDL for your organization, log in to your Salesforce organization and from Setup, enter API in the Quick Find box. Then, on the API page, select Generate Enterprise WSDL. Partner Web Services WSDL —Used for client applications that are metadata-driven and dynamic in nature. It is particularly—but not exclusively—useful to Salesforce partners who are building client applications for multiple organizations. As a loosely typed represen...