[ one purchase ]
Real swipe receipt
A card says “up to 4% back”. Here is what one purchase really costs: every fee it adds, the cashback, and the result. Pick a card, a purchase and a currency, then post the receipt picture on X.
Paying in USD, the card's own currency: no FX fee.
Match a real swipe Matching a real app screenshot? Enter the amount it shows.
The "transaction cleared" amount: price with the FX fee already in the rate. Fixed fees are added on top.
[ swipe receipt ]KAST Card
Coffee · Standard · USD card · paid in USD
- Merchant price
- $10.00
- − Cashback (1.5% in USD plus KAST Points)
- $0.15
+1.50%You keep $0.15
Advertised: up to 3% back
Fees come from each card's published fee list: per-purchase and flat fees, small-purchase fees (limits in US dollars), the FX fee when the card does not bill in your currency, and the top-up fee on what you load. Cashback is the tier's ongoing rate; monthly caps are noted. Exchange rates are live and refreshed every hour.