ABAP developers, it’s time to master RAP!

ABAP RESTful Application Programming Model

written by Lutz Baumbusch, Matthias Jäger, Michael Lensch

Print edition E-book Bundle

approx. $89.95

Pre-order now
Available on 07/29/2025

approx. $84.99

Pre-order now
Available on 07/29/2025

approx. $99.99

Pre-order now
Available on 07/29/2025

625 pages, 2nd, updated and revised edition 2025, Print edition hardcover
ISBN 978-1-4932-2752-5 625 pages, 2nd, updated and revised edition 2025
E-book formats: EPUB, PDF, online
ISBN 978-1-4932-2753-2 625 pages, 2nd, updated and revised edition 2025, Print edition hardcover
E-book formats: EPUB, PDF, online
ISBN 978-1-4932-2754-9

The ABAP RESTful application programming model (RAP) is the cornerstone of modern development for SAP—get on the cutting edge with this guide! Develop applications from the ground up, from data modeling with CDS to interface generation with SAP Fiori elements. Walk through concrete use cases, including managed and unmanaged scenarios, and then adapt your applications to the SAP BTP, ABAP environment. You’re on your way to working with RAP!

Develop ABAP applications for SAP S/4HANA and SAP BTP
Use key tools and technologies, including core data services and SAP Fiori
Get step-by-step guidance for modeling data, implementing behaviors, developing user interfaces, and more

About the Book About the E-book 625 pages, hardcover. Reference book format 7 x 10 in. Printed black and white on 50# offset paper from sustainable sources. Casebound for durability. Reader-friendly serif font (TheAntiquaB 9.5 Pt.). One-column layout. E-book in full color. PDF (18 MB), EPUB (9 MB) file for download, DRM-free with personalized digital watermark. Copy and paste, bookmarks, and print-out permitted. Table of contents, in-text references, and index fully linked. Including online book edition in dedicated reader application.

In this book, you’ll learn about:

The Programming Model

Master the building blocks of the model. Understand REST architecture, work with CDS view entities, implement behaviors, and more. Learn about new features such as the business object interface and extensibility.
End-to-End Application Development

Develop applications for SAP S/4HANA and SAP BTP, step by step. Start by building your data model, and then create behavior definitions, implement functions, define business services, and generate your user interface.
Practical Scenarios

Apply RAP to suit your development needs. Create an application in a custom managed scenario, and then see how to integrate standard SAP functions. If you want to reuse source code, learn to adapt legacy applications for RAP in an unmanaged scenario.

Highlights include:

Application development
Managed and unmanaged scenarios
Core data services (CDS)
Behavior definition
Entity manipulation language (EML)
Behavior implementation
Business services
Business object extensibility
SAP Fiori elements
SAP BTP, ABAP environment

Lutz Baumbusch has worked as an SAP developer since 2000 and has been responsible for international SAP projects in various roles and areas.

Matthias Jäger is a freelance full-stack ABAP developer, architect, and trainer. Previously, he worked for many years at All for One Group SE in the Solution Development team, where he developed ABAP-based software products.

Michael Lensch leads a team of SAP developers at All for One Group SE. As development manager, he is responsible for development in SAP S/4HANA implementation projects in Germany and abroad. Since 2023, he has been a guest lecturer at DHBW Heilbronn, specializing in the ABAP RESTful application programming model. He studied computer science at Trier University of Applied Sciences.

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ABAP RESTful Application Programming Model

In this book, you’ll learn about:

The Programming Model

End-to-End Application Development

Practical Scenarios

Highlights include:

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