Electronic system hardware for secure payments for vehicles

A computer implemented method of linking a vehicle to a payment service comprising:

• executing an integrated service application on a processor;
• in the integrated service application,
• receiving an intent to make a purchase;
• communicating a message to the aggregator service requesting a payment credential;
• in the aggregator service:
• prompting for consumer authentication of payment;
• receiving from the consumer an authentication indication;
• authenticating the authentication indication;
• selecting the payment credential;
• and
• authorizing the payment.