OData

OData Articles

OData v2 and v4, SAP Gateway, REST APIs for SAP

OData Filter Cheat Sheet for SAP Developers

Complete reference of OData $filter operators for SAP Gateway (v2) and S/4HANA Cloud APIs (v4). With real-world examples and gotchas.

June 10, 2024·8 min read

Building OData V4 Services with RAP: Step by Step

How an OData V4 service actually gets exposed from a RAP business object: CDS interface view, projection view, service definition, and service binding, in order.

July 14, 2026·10 min read

SAP S/4HANA API Reference: Supplier Invoice, Journal Entry & Cost Center

Field-level reference for three widely-used SAP S/4HANA Cloud APIs — API_SUPPLIERINVOICE_PROCESS_SRV, API_JOURNALENTRYITEMBASIC_SRV, and API_COSTCENTER_SRV — with entity sets, use cases, and integration gotchas.

August 5, 2026·10 min read