An information processing terminal having a relay function of relaying, via a network, a client for managing data and a service for providing a function using the data managed by the client, comprises: a receiving unit which, upon receiving function information for calling the function provided by the service by the relay function, receives reference information pertaining to providing of the function information; a register unit which executes registration processing of the received function information; and a providing unit which provides a user with the function information registered by the registration processing according to at least one of a display order and a display position based on the reference information.