EProcessingNetwork
Please don't test your biller setup with EProcessingNetwork's test account—it won't work correctly.
Setting Up on eProcessingNetwork's Website
Before you can begin configuring eProcessingNetwork as a biller in NATS3, you must first register an account with them. This can be done through their website at http://www.eProcessingNetwork.com/.
While registering with eProcessingNetwork, make sure to take down the eProcessingNetwork (EPN) Account Name is provided to you by your biller. This information will be necessary for setting up eProcessingNetwork in NATS3.
Setting Up eProcessing Network in NATS
Billers Admin
To begin setting up eProcessing Network as a biller in NATS, go to the Billers Admin. Scroll down to the "Biller" drop-down menu, select eProcessingNetwork, and click "Add."
Note: If you don't see eProcessingNetwork, put in a support ticket, as you may need an updated version of NATS.
When prompted, fill out your transaction and chargeback fees, along with when you wish to deduct them. Fill in the Account Name that was provided to you by eProcessing Network under the "Account Info" section. If you were not provided with this information, please contact your biller to receive it.