A method for pre-funding is disclosed. The method includes sending a plurality of pre-fund authorization requests to a buyer financial institution, and then receiving a plurality of responses to the pre-fund authorization requests from the buyer financial institution, where each response either accepts or declines a pre-fund authorization request. A funds transfer request is sent to the buyer financial institution, where the funds transfer request corresponds to a total value of the accepted pre-fund authorization requests. Notification that funds have transferred from the buyer financial institution in response to the funds transfer request is received. Then, the sending of the funds to a supplier financial institution is authorized.