A Hands-On ABAP RESTful Programming Model Guide (opens in new tab)

In the SAP ABAP world, BAPIs (Business Application Programming Interfaces) have long been the standard for programmatic access to business functionality. These are essentially RFC-enabled function modules representing operations on business objects. However, with the advent of and the new ABAP RESTful Application Programming Model (RAP), the classic BAPI approach is being phased out in favor of modern, RAP-based APIs. SAP now provides a new generation of released APIs built on RAP, often refe...