A method and system for interactive invoice inquiry. In one method embodiment, the present invention receives an invoice. The present invention then stores the invoice in a network-accessible database. Next, the present invention authorizes a requester access to the invoice stored in the network-accessible database. The present invention further authorizes a supplier access to the invoice stored in the network-accessible database. In so doing, the present invention simplifies the resolution of a payment issue for the invoice stored in the network-accessible database.