A method for open-loop person to person payments comprises: receiving, from a sender computing device, a transaction request message including an identifier of a recipient, a selection of a payment device, and a payment amount; determining, based on the identifier, a registration status of the recipient; if the recipient is registered: determining, from the identifier of the recipient, an account of the recipient, and initiating a request to a payment network to effect a transfer of the payment amount from an account associated with the selected payment device to an account of the recipient; if the recipient is unregistered, effecting a transfer of the payment amount from an account associated with the selected payment device to an escrow account, and transmitting, to the recipient based on the identifier, a payment notification message, said payment notification message including a link for the recipient to register to receive the payment amount.