An information processing apparatus includes: a memory; and a processor coupled to the memory and configured to: generate, when a browser is coupled to an authenticator, unique identification information by using information acquired from the browser; verify, by referring to a first list storing identification information of a browser permitted to be coupled, whether or not the identification information is stored in the first list, store a verification result in the memory while linking with the identification information, and transmit a verification completion notification to the browser; acquire, by receiving unique identification information generated by the authenticator using the information acquired from the browser, the verification result linked with the identification information from the memory; and transmit the acquisition result to the authenticator that controls coupling propriety with the browser.