Why card payments get declined, soft vs hard declines, and the levers that raise authorization rates without letting fraud and chargebacks rise with them.
Mandatory APP scam reimbursement turns fraud into a line in instant-payment unit economics, and the receiving firm now pays half. What it costs, and who.
Credit card surcharge rules differ by network, state and country. When a surcharge is legal, what it does to sales, and cheaper ways to cut card costs.