Systems and methods are provided for generating a mailing label. In one embodiment, a method includes requesting, through a communication channel, a tracking number for the mailing label, wherein the tracking number identifies that the mailing label is printable by a user on a single-sheet medium; receiving, through the communication channel, a response to said request, such that the response includes the tracking number provided by a source of one or more tracking numbers; and enabling the user to print the mailing label with the received tracking number.