What is the best way to sync Oracle Cloud ERP data to Oracle Autonomus Database

We are currently using Oracle
Integration Cloud application to integrate other systems with our Oracle
Cloud ERP (SaaS) application.

In most of the integrations we do
run few data validations and derivations before importing the data into
our ERP application. We use Oracle Autonomous Database to to stage the
data and run such validations.

For few of the validations we rely
on Oracle ERP data. Hence, instead of getting the data from ERP
everytime (using REST/BIP) we synchronize the data in our ATP database.

We are currently have the following process inpace to sync data between Oracle ERP and ATP