Can we use Financial Gateway to pay Credit Card payments to Vendor/Credit Card provider

We need some help/suggestions here. We are on PS FSCM 9.1.25, Tools 8.52. We have EX, AP, CM modules and now planning to My Wallet functionality for our Corporate Credit Cards. We want to pay Credit card payments weekly through ACH to our credit card provider/Bank (BK2) as a vendor. We are currently using Financial Gateway to dispatch payment file to ACH Bank BK1. We want to send Credit Card payments ACH (CCD) file (EX stages vendor payments to AP. AP PayCycle creates payments and push to Financial Gateway through AP_FG_PROC.  FG's PMT_DISP_BAT process creates ACH file) to BK1 to