SAP PO 7.5 interface with Epicor ERP [on Cloud SaaS]

Hi Experts,

We are working on SAP PO 7.5 SP14. Our requirement is integrate Epicor ERP [on Cloud SaaS] application.

What are the pre-requisite information required to start the interface? What possible adapters can we use? Please suggest the best practices to connect to that application.

Thanks,

Ramu.