In SAP, a BAPI (Business Application Programming Interface) serves as a standardized method to allow external applications or custom code to access and interact with data and processes within SAP business objects, essentially providing a way to "call" specific business functions within the SAP system from outside applications, ensuring data integrity and proper business logic execution through a defined interface. Function: BAPIs enable external applications to read, create, update, or delete data within SAP by interacting with the underlying business object model. Implementation: BAPIs are implemented as function modules in the SAP system, which can be called remotely using the Remote Function Call (RFC) protocol. Business Object Repository (BOR): BAPIs are defined as methods of SAP Business Object Types, which are stored and managed within the BOR. Benefits: Standardized Access: Provides a consistent way for external applications to interact with SAP fun...