SAP HCI is created as Integration Platform-as-a-Assistance (PAAS) which really helps to combine numerous independent programs/apps for a company course of action. HCI can perform Cloud to Cloud, Cloud to On-premise, On-premise to On-premise and Hybrid product. HCI features Adapters (Connectivity options) like: SOAP Adapter, IDoc, HTTP, Mail, SFTP,Ariba, oData. https://s4hanacloudedition93570.shotblogs.com/hana-cloud-integration-42225471