ABAP REST API Gateway Without SAP API Management
Need a single HTTP entry point for your ABAP backend but no API Management license? Here's how to build a lightweight REST gateway directly in ABAP using ICF handlers and a table-driven router.
Need a single HTTP entry point for your ABAP backend but no API Management license? Here's how to build a lightweight REST gateway directly in ABAP using ICF handlers and a table-driven router.
Building an ABAP OData V4 service with RAP is more structured than old SEGW work — once you understand CDS layers, behavior definitions, and the transactional buffer, you move fast.
RFC, OData, REST, IDoc — four SAP integration protocols, four different trade-offs. Here's a practical decision matrix built from real S/4HANA projects to help you pick the right one.
LLMs can hallucinate vendor numbers, fabricate amounts, and invent material keys — all with complete confidence. Here's how to build the validation layers that keep them out of your SAP production system.
Calling the OpenAI API from ABAP is trickier than it looks. This guide covers authentication, request building, error handling, and why you probably don't need streaming.