Worldpay uses an interchange plus structure (IC+). Credit card transactions incur a fee of 1.25% + 10 cents per transaction plus the card’s interchange fee. Debit cards have a similar structure but generally lower interchange fees. ACH transactions have a fee of 1.00% + 25 cents per transaction.
US Stripe rates: Visa, Mastercard, and Discovery: 4.75%, Amex: 5%, ACH 1% + $0.25 CAN Stripe rates are: 3.5% + $0.15