EPICOR 10 uses REST API for its integration.

Refer to  Epicor website for more information.

Integration modules for EPICOR 10

1. Accounts Receivable Master
2. Accounts Receivable Sales Order
3. Accounts Receivable Transaction
4. General Ledger Journals  
5. Tax Master

Steps to configure integration to EPICOR 10:

1. Configure the following under "EPICOR10.API -> General Settings". These details are provided by your systems provider.
   1. Base URL
   2. Authorization
   3. X-API-KEY
2. Enable the modules that is required for integration.