The SAP Business Accelerator Hub (formerly known as the SAP API Business Hub) is the central, public catalog for all SAP and partner APIs, pre-packaged integrations, and other digital content. It is the designated platform for developers, architects, and business users to discover, explore, test, and consume released APIs for various SAP products, including SAP S/4HANA. It provides detailed documentation, specifications (like OpenAPI), and a sandbox environment to try out the APIs before implementation.

B. SAP Application Interface Framework: This is a tool within an SAP system used for monitoring, error handling, and governance of existing interfaces, not for discovering or exploring a catalog of available APIs.

C. SAP Integration Suite: This is SAP's integration platform-as-a-service (iPaaS) on the SAP Business Technology Platform (BTP). It is used to build, deploy, and manage integrations that consume APIs, but it is not the primary catalog for exploring them.

1. SAP Business Accelerator Hub Official Page: "Explore

discover

and consume APIs

pre-packaged integrations

and business services from SAP and selected partners." This statement on the main landing page directly confirms its purpose.

Source: SAP. (2024). SAP Business Accelerator Hub. Retrieved from https://api.sap.com

2. SAP S/4HANA Documentation - API Guide: "You can discover all SAP S/4HANA Cloud APIs in the SAP Business Accelerator Hub."

Source: SAP Help Portal. (2023). SAP S/4HANA Cloud

Public Edition 2308

General Functions for the Key User

API Guide

Section: Discover APIs.

3. SAP Application Interface Framework Documentation: "The SAP Application Interface Framework allows you to develop and monitor interfaces as well as handle errors in a single framework residing in your SAP back-end system."

Source: SAP Help Portal. (2023). SAP S/4HANA 2023

Application Interface Framework

Section: What Is the SAP Application Interface Framework?.

4. SAP Integration Suite Documentation: "SAP Integration Suite is an enterprise integration platform as a service (iPaaS) that allows you to seamlessly integrate on-premise and cloud-based applications and processes with tools and prebuilt content managed by SAP."

Source: SAP Help Portal. (2024). SAP Integration Suite

Section: What Is SAP Integration Suite?.