Payment flow
The interaction between the parties involved in performing a payment action can best be explained with the drawing below. The parties involved are:
Consumer : The person who wants to make the funds available to obtain a product or service
Merchant : The company that provides the products or services and recipient of the funds
Buckaroo : The PSP that has an interface available for each payment method and makes the request to the processor's platform
Acquirer : The processor of the payments and the recipient of the funds after an agreement of the issuer
Issuer : The financial institution that, with the consent of the payer, releases the funds to the acquirer