This requires Custom ABAP(calling application) on SAP side as a client that can consume RESTful service exposed from Informatica.
SAP application can understand XML/JSON and can invoke GET, POST etc,.
Relevant Skills and Experience
My skills are: SAP Core ABAP, Workflows, Interfaces using IDocs, Proxies, RFCs, SAP Gateway Odata services, Web Services, and Adobe forms, Webdynpro, CRM technical, with an exp of 9 years in SAP ERP.
Proposed Milestones
$25 USD - Identify,design ABAP application, extract data from Informatica and load into SAP database..
I can discuss more on solution if specific business inputs are available.