SAP HCI is made as Integration System-as-a-Company (PAAS) which helps you to combine numerous unbiased methods/apps for a company method. HCI can perform Cloud to Cloud, Cloud to On-premise, On-premise to On-premise and Hybrid product. HCI gives Adapters (Connectivity options) for example: Cleaning soap Adapter, IDoc, HTTP, Mail, SFTP,Ariba, oData. https://s4hanacloudportal14680.tblogz.com/hana-cloud-integration-42400010