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How-to Tutorials
Version v2.7.0 (August 27, 2026)

Clean-Core.io How-to

Learn how enterprise architects safely analyze, refactor, and deploy legacy ERP custom code side-by-side on SAP BTP using artificial intelligence.

Just want to get started?

Your first run, click by click

Seven steps from signing in to a downloadable package, in about fifteen minutes. No SAP connection and no code of your own needed — there are ready-made examples on the dashboard.

Open the step-by-step guide

Walkthrough Presentation

Interactive Transformation Process • Slide 1 of 7

Introduction & Landing Page
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Slide 1 of 7

Introduction & Landing Page

Overview of the clean-core philosophy. Legacy modifications block upgrades; Clean-Core.io automates side-by-side transformation on SAP BTP.

Interactive FAQs

Why keep the core clean?
What is the BTP strategy?
How does Clean-Core.io help?

Speech Script

"Enterprise core modifications are the single greatest barrier to S/4HANA upgrades. Welcome to Clean-Core.io—the automated SaaS engine designed to transform legacy ABAP logic into modern, side-by-side cloud services on SAP BTP. Our platform enables enterprise architects to keep the SAP core clean while accelerating cloud transformation."

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How-to Quick Start Guide

Build clean cloud architectures on SAP BTP in a few simple steps:

1

Upload ABAP

Analyze legacy classes directly in the Analytics Dashboard.

2

Review Architecture

Review cds schemas and Dockerfiles in Solution Design.

3

Execute Tests

Verify API endpoints in the secure Node sandbox.

4

Download ZIP Package

Download your complete BTP handover package including tests.

Designed for IT Professionals

Clean-Core.io strictly follows official SAP architectural guidelines to build side-by-side extensions on the SAP Business Technology Platform (BTP). Here is a deep dive into our core architectural principles.

1

Native CAP & CDS Schemas

💡 SAP CAP Model

Built on SAP Cloud Application Programming Model (CAP), SAP's recommended design pattern for side-by-side cloud extensions.

💡 CDS Declarative Schema

Core Data Services (.cds) files define data structures and API service models with strict typing.

💡 HANA & SQL Compatibility

Supports automated persistence migrations for SAP HANA Cloud, SQLite, or PostgreSQL.

SAP Verified Strategy
2

BTP Destination Bindings

💡 Extensible Integration

Connects extensions to SAP S/4HANA core systems securely without hardcoding server hostnames.

💡 Principal Propagation

Seamlessly forwards the logged-in cloud user's identity down to the on-premise ABAP gateway.

💡 Dynamic API Routing

Swap endpoints (sandbox, QA, production) effortlessly through BTP Cockpit destinations.

SAP Verified Strategy
3

Stateless JWT & XSUAA Security

💡 OAuth 2.0 Trust Setup

Secured using SAP BTP's Extended Services for User Account and Authentication (XSUAA).

💡 Stateless API Tokens

Intercepts and validates JWT (JSON Web Tokens) at the microservice gateway layer.

💡 Granular RBAC Enforcements

Authorizes individual endpoints using scopes mapped to enterprise user roles.

SAP Verified Strategy