Performing transactions using virtual card values is disclosed, including: generating a virtual card value corresponding to a transaction; sending a request to a card management server, wherein the request includes the virtual card value and a transaction amount corresponding to the transaction; receiving an indication from the card management server that the virtual card value and the transaction amount have been successfully stored; generating a merchant-related locator based at least in part on identifying information associated with a merchant server and the virtual card value; sending the merchant-related locator to a client device; and receiving, from the card management server, a request to transfer the transaction amount from a user account associated with a cardless payment server to a funds account associated with the merchant server.