SAP S/4HANA Cloud

SAP S/4HANA Cloud API provides comprehensive ERP integration with OAuth 2.0 and Basic authentication supporting REST, OData, and SOAP protocols. Covers 500+ endpoints across financial accounting, materials management, sales, purchasing, manufacturing, and human resources with both OData V2 and V4 support.

Core functionality includes business partners, sales orders, purchase orders, materials, production orders, financial documents, cost centers, profit centers, and analytics with A2A application-to-application, B2B business-to-business, and A2X any-to-any API categories. Communication arrangements with communication systems and users required for API access. Multi-environment support with sandbox and production instances.

Event-driven integration via SAP Event Mesh with webhook subscriptions requiring OAuth authentication. Rate limiting applies with quota policies, spike arrest, and concurrent connection limits configurable per application. Custom OData APIs developable through ABAP CDS views and custom business objects using in-app extensibility.

Official SAP Cloud SDK for Java and JavaScript with OData VDM generator for type-safe API access. ABAP Development Tools for Eclipse enables custom API development. Communication user authentication with 20+ character passwords. WSDL available for SOAP services. SAP Business Accelerator Hub provides API discovery and testing. SAP S/4HANA Cloud license required. Ideal for enterprise ERP integrations, SAP BTP extensions, digital transformation initiatives, and custom cloud-native applications with extensive ABAP and CDS development capabilities.