SAP HCI is made as Integration Platform-as-a-Assistance (PAAS) which helps you to integrate numerous 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 presents Adapters (Connectivity possibilities) such as: SOAP Adapter, IDoc, HTTP, Mail, SFTP,Ariba, oData.