Business Application Programming Interface

<business, 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 ( gives background information and lists objects and BAPIs.

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