SAP Certified - Backend Developer - SAP Cloud Application Programming Model
Independent, reasoning-first practice for the SAP® C_CPE backend developer certification on the SAP Cloud Application Programming Model, built for the 2026 System-Based Assessment format.
Who it's for: Backend developers building side-by-side extensions to SAP applications — especially SAP S/4HANA Cloud — on SAP BTP who want a recognized associate credential proving they can design and run CAP applications using Node.js/JavaScript, Java, Core Data Services, and SAP Fiori elements, while also mentoring others on the team.
The SAP® C_CPE certification checks whether you can actually design and build extension applications with the SAP Cloud Application Programming Model (CAP), not merely talk about them. It centers on the side-by-side extensibility approach on SAP BTP, where a CAP service extends an existing SAP application such as SAP S/4HANA Cloud without modifying the core. The scope runs end to end: setting up a CAP project, modeling data and services with Core Data Services and the OData protocol, generating an SAP Fiori elements user interface, adding custom business logic and event handling, securing the app with authorization and trust management, consuming external services, deploying to the Cloud Foundry runtime, and integrating the result into SAP Build Work Zone. Because it is delivered as a System-Based Assessment with a single hands-on activity, the exam rewards applied execution in a working environment rather than isolated recall, and it targets a backend developer who can also guide teammates.
What the exam covers
The blueprint areas to focus your preparation on.
CAP Fundamentals & Side-by-Side Extensibility
Understanding why side-by-side extensibility matters, how CAP fits the SAP BTP Developer's Guide, and when an extension should live alongside the core SAP application — such as SAP S/4HANA Cloud — instead of modifying it, so your architectural choices match the recommended patterns.
Project Setup & Service Modeling with CDS
Setting up a CAP project and defining its data model and services using Core Data Services, the OData protocol, and JSON/YAML descriptors, so that services expose the right entities and default behavior correctly across the end-to-end use case.
User Interfaces with SAP Fiori Elements
Generating and serving an SAP Fiori elements user interface on top of a CAP service, including local launch pages, so the extension presents a usable, annotation-driven front end without hand-coding the UI layer from scratch.
Custom Business Logic & Event Handling
Adding custom code to a CAP service through the event-handling model, recognizing where standard behavior is insufficient, and implementing robust error handling so the extension enforces the required business rules reliably.
Authorization, Trust Management & External Services
Securing a CAP application with authorization and trust management via XSUAA, defining CDS restrictions and roles, and consuming external services with the connectivity and extensibility features CAP provides — including writing and running unit tests to validate the integration.
Deployment & Work Zone Integration
Choosing among CAP deployment options, preparing and running the deployment to the SAP BTP Cloud Foundry runtime, and surfacing the finished extension inside SAP Build Work Zone so end users can reach it from a central launchpad.
Cloud-Native Runtimes: Cloud Foundry & Kyma
Working across the SAP BTP Cloud Foundry and Kyma runtimes — application lifecycle, routing and networking, scaling and autoscaling, blue-green updates, plus Kubernetes and Kyma concepts such as workloads, services, eventing, and service management — to run and operate cloud-native extensions.
Recommended learning path
The SAP learning-journey courses this certification draws on.
Develop extensions with CAP following the SAP BTP Developer's Guide
The core course of the journey — walks through building a CAP application end to end while following the SAP BTP Developer's Guide, from project setup and CDS service modeling to Fiori elements UIs, custom logic, XSUAA authorization, external services, Cloud Foundry deployment, and Work Zone integration.
Develop cloud applications using SAP Business Application Studio
Building and deploying business applications with SAP Business Application Studio's productivity tools, using an SAP S/4HANA risk-management extension as the worked example — data models, services, sample data, Fiori tooling, roles, Git, CI/CD, mobile UI, and multitenancy.
Developing Applications for SAP BTP, Cloud Foundry runtime
Covers the essentials of developing and running apps on the SAP BTP Cloud Foundry runtime — its architecture and key concepts, the CF CLI, designing and deploying applications, routing and networking, observability, scaling and autoscaling, blue-green zero-downtime updates, and lifecycle events.
Developing Applications in SAP BTP, Kyma Runtime
Introduces building and running containerized apps and extensions on the SAP BTP Kyma runtime — Kubernetes fundamentals, Kyma modules and dashboard, workloads and serverless functions, Helm, services and API exposure, Istio service mesh, Kyma eventing, storage and StatefulSets, service management, observability, and ConfigMaps and Secrets.
How to prepare
- 1Build a complete CAP extension end to end — project setup, CDS service modeling, Fiori elements UI, custom logic, security, and deployment — so you can trace how an early modeling choice affects behavior at runtime.
- 2Practise authorization and trust management deliberately: define CDS restrictions and roles, wire up XSUAA, and confirm access behaves as intended, since security misconfigurations often surface only at deployment or runtime.
- 3Treat event handling and custom business logic as its own study block — rehearse where standard CAP behavior is insufficient, how handlers fire, and how to implement clean error handling for the required rules.
- 4Rehearse Cloud Foundry deployment and Work Zone integration hands-on: service bindings, deployment preparation, and launchpad integration are easy to get subtly wrong, and doing them repeatedly builds the speed the single activity demands.
- 5Work through consuming external services with unit tests end to end, so you understand how CAP connectivity, test cases, and external integrations fit together before the timed, system-driven assessment.
Practice C_CPE in the real format
Reading is step one — the 2026 System-Based Assessment rewards hands-on fluency. Train with original, performance-style scenarios and skill drills built for this exam.
Ready to practise for C_CPE?
One-time purchase · 2 months of unlimited practice · $54.80
Free C_CPE study guide (PDF)
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