USiness, application, programming> (BAPI) /bap' ee/ A set of methods provided by an SAP bUSiness object. Release 4.0 of SAP AG' s R/3 system supports object-oriented programming via an interface defined in terms of objects and methods called BAPIs. For example if a material object provides a function to check availability, the corresponding SAP bUSiness object type "Material" might provide a BAPI called "Material.CheckAvailability". The definitions of SAP bUSiness objects and their BAPIs are kept in an SAP bUSiness object repository. SAP provide classes and libraries to enable a programming team to build SAP applications that USe bUSiness objects and BAPIs. Supported environments include COM and Java. The {Open BAPI Network (http://www.sap.com/solutions/technology/bapis/index.htm)}. gives background information and lists objects and BAPIs. (2002-08-30)