Electronic data is type of data access in the internet. Exchange of electronic data is properly utilized for a positive impact for business. Electronic Data Interchange (EDI) is applied business to promote and record all data products SMEs. Representational State Transfer (REST) is one of the most appropriate methods to implement EDI will exchange data from different servers in any promotional media owners of business. This research makes media online campaign on some business to register promotion of their products. EDI is used for the exchange of business information among partners electronically and regularly from one computer to another. EDI of data center system is able for solution when problems occur within each server e-commerce, which led Portal system cannot display in real-time (Optimistic) and sent data way of periodic data replication.