The process involves authorizing, capturing, and settling the funds from the customer’s account to the merchant's account. This process is facilitated by the card network, issuing bank, payment processor, and acquiring bank. The payment processor then communicates with the customer's card-issuing bank to verify the transaction details and the availability of funds. If approved, the transaction is successful, and the sale is completed. For a more in-depth explanation, check out Credit Card Processing 101: Understanding the Key Players, the Process, the Fees, and More.