SAP HCI is made as Integration Platform-as-a-Support (PAAS) which helps you to integrate many unbiased units/purposes for a company system. HCI can perform Cloud to Cloud, Cloud to On-premise, On-premise to On-premise and Hybrid product. HCI presents Adapters (Connectivity options) such as: Cleaning soap Adapter, IDoc, HTTP, Mail, SFTP,Ariba, oData. https://s4hanacloudtutorial34924.targetblogs.com/28754650/hana-cloud-integration