The invention provides a card binding method, a
payment method, a device, a
system, equipment and a medium, and relates to the technical field of electronic
payment. Comprising the steps that a card binding request of no-card
payment is received, and the card binding request comprises a
bank card number and a card binding
mobile phone number; determining a
bank card category corresponding to the
bank card number according to the bank card number; if the bank card type is a
debit card, obtaining at least one first reserved
mobile phone number; matching the card binding
mobile phone number with the at least one first reserved mobile phone number; if the card binding mobile phone number is one of the at least one first reserved mobile phone number, calling the
debit card assembly to verify the bank card number; if the bank card category is a loan card, calling a loan card
assembly to verify a bank card number and a card binding mobile phone number; and under the condition that both the bank card number and the card binding mobile phone number pass
verification, a card-free
payment protocol is generated and stored, and the card binding success rate of card-free payment can be improved.