According to an embodiment of the present invention, an apparatus for providing a lease managing service for managing a contract between a lessee and a lessor comprises : a communication unit for connecting with a terminal of a lessee and a terminal of a lessor; and a control unit for determining whether to pay a rent based on a rent payment date included in lease contract information stored in a database, and transmitting payment information including account information of the lessor, information related to payment means of the lessor, and billing information including payment amount to a connected authentication server through the communication unit. The account information of the lessor is received from the terminal of the lessor and stored in the database. The information about the payment means of the lessor is received from a payment server related to the payment means through the authentication server, and stored in the database. The apparatus for providing a lease managing service manages conveniently a contract between the lessee and the lessor and improves reliability of the contract.(300) Lease managing service providing apparatus(400) Authentication server(500) Payment server(600) Communication network(700) Real estate information providing server(800) Personal information providing serverCOPYRIGHT KIPO 2018