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Step 1: The customer pays with Mastercard
The customer purchases goods/services from a retailer.
Step 2: The payment is authenticated
The retailer point-of-sale system captures the customer’s account information and securely sends it to the acquirer.
Step 3: The transaction is submitted
The retailer acquirer asks Mastercard to get an authorisation from the customer’s issuing bank.
Step 4: Authorisation is requested
Mastercard submits the transaction to the issuer for authorisation.
Step 5: Authorisation response
The issuing bank authorises the transaction and routes the response back to the retailer.
Step 6: Retailer payment
The issuing bank routes the payment to the retailer’s acquirer who deposits the payment into the retailer’s account.