Card-first · QR alongside · processor resolved by the backend · real sandbox acquirer
↗ Transaction history
↗ Merchant dashboard
1
Merchant backend · creates session
What is this payment for?
Amount
USD
Order ID
Statement descriptor
Buyer location
— gateway geo-routes to the regional acquirer
🇺🇸 US
🇩🇪 DE
🇧🇷 BR
🇮🇩 ID
PCI model
— how the card reaches the gateway
Tokenize-first · SAQ A
Hosted vault · CDE
Processor routing
— who takes the payment, and who is next
Rules decide
Finix first
Stripe first
Primary is down
Merchant · payment status
Create checkout session
2
Buyer checkout
Web
Mobile
9:41
3
Processing
Flow
Code · backend
Create a session and pay to see the flow…