SAP HCI is made as Integration System-as-a-Assistance (PAAS) which helps you to integrate numerous unbiased techniques/apps for a company procedure. HCI can do Cloud to Cloud, Cloud to On-premise, On-premise to On-premise and Hybrid product. HCI offers Adapters (Connectivity possibilities) such as: SOAP Adapter, IDoc, HTTP, Mail, SFTP,Ariba, oData.