SAP HCI is created as Integration Platform-as-a-Services (PAAS) which helps to combine various unbiased devices/apps for a business method. HCI can do Cloud to Cloud, Cloud to On-premise, On-premise to On-premise and Hybrid product. HCI features Adapters (Connectivity solutions) for instance: SOAP Adapter, IDoc, HTTP, Mail, SFTP,Ariba, oData. A number https://s4-hana-cloud-onboarding35701.blogginaway.com/28712214/hana-cloud-integration