SAP HCI is built as Integration Platform-as-a-Assistance (PAAS) which helps you to integrate numerous independent systems/purposes for a company approach. HCI can do Cloud to Cloud, Cloud to On-premise, On-premise to On-premise and Hybrid product. HCI presents Adapters (Connectivity selections) for example: SOAP Adapter, IDoc, HTTP, Mail, SFTP,Ariba, oData. A https://s4-hana-cloud-faq46802.qodsblog.com/28279269/hana-cloud-integration