Web Services Description Language
XML-BASED INTERFACE DESCRIPTION LANGUAGE
WSDL; WS Description; Web Services Description Language-2; Wsdl; Web services description language; Web Services Definition Language
The Web Services Description Language (WSDL ) is an XML-based interface description language that is used for describing the functionality offered by a web service. The acronym is also used for any specific WSDL description of a web service (also referred to as a WSDL file), which provides a machine-readable description of how the service can be called, what parameters it expects, and what data structures it returns.