Payment flow

Understanding the Payment Flow

The interaction between parties involved in a payment action is illustrated in the image below. The key parties are:

  • Consumer: The person making the payment.
  • Merchant: The company providing the product or service.
  • Buckaroo: The Payment Service Provider (PSP).
  • Acquirer: The processor handling the payments.
  • Issuer: The financial institution releasing funds with the payer's consent.

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