XML

In an interconnected enterprise runtime, SAP is no longer an isolated platform. Modern business processes rarely live inside a single system — they span many cloud services, external partners, and third-party tools. To make them work together, systems need to talk to each other, and the language they use is HTTP. Why do we need HTTP calls? Almost every service on the internet exposes its functionality through a REST API (a set of web addresses you can call over HTTP). This is fantastic for us as ABAP developers: if a system offers a REST API, we can connect to it directly from our ABAP code. And the two data formats these APIs speak are almost always JSON (the modern standard) or XML (the classic, still common in SAP-to-SAP and SOAP scenarios) — exactly the two formats we will learn to handle in this guide. ...