SETTLEMENT SYSTEM, FIRST SETTLEMENT SERVER, SECOND SETTLEMENT SERVER, COMPUTER PROGRAM, AND SETTLEMENT METHOD

To provide a settlement system, first settlement server, second settlement server, computer program, and settlement method that can simplify settlement and enhance users' convenience.SOLUTION: A first settlement server includes: a first reception unit for receiving authentication information generated by a user terminal device; an identifying unit for identifying a second settlement server which is a transmission destination of the received authentication information; and a first transmission unit for transmitting the received authentication information to the second settlement server identified by the identifying unit. The identified second settlement server includes: a second reception unit for receiving the authentication information transmitted by the first settlement server; a second storage unit for storing the received authentication information: an acquisition unit for acquiring authentication information included in a reading code obtained by reading, by a predetermined reading device, the reading code generated by the user terminal device from the reading device; and a determination unit for determining based on the acquired authentication information and the stored authentication information whether settlement based on the reading code is permitted.SELECTED DRAWING: Figure 1 【課題】決済を簡素化してユーザの利便性を向上させることができる決済システム、第１決済サーバ、第２決済サーバ、コンピュータプログラム及び決済方法を提供する。【解決手段】第１決済サーバは、ユーザ端末装置で生成した認証情報を受信する第１受信部と、受信した認証情報の送信先の第２決済サーバを特定する特定部と、受信した認証情報を前記特定部で特定した第２決済サーバへ送信する第１送信部とを備え、特定された第２決済サーバは、第１決済サーバが送信した認証情報を受信する第２受信部と、受信した認証情報を記憶する第２記憶部と、ユーザ端末装置で生成した読取コードを所定の読取装置で読取って得られた読取コードに含まれる認証情報を読取装置から取得する取得部と、取得した認証情報及び記憶した認証情報に基づいて、読取コードに基づく決済の可否を判定する判定部とを備える。【選択図】図１