Information processing system, apparatus, information processing apparatus, information processing method, and program for improving efficiency in program development across multiple external services

An information processing method performed in an information processing system that includes an apparatus and an information processing apparatus coupled to multiple external apparatuses, which respectively receive a request through mutually different interfaces, the information processing method comprising:

• receiving a first request through a unified interface, which is unified relative to interfaces of the multiple external apparatuses;
• sending, via a first program stored in a memory of the apparatus, the received first request to the information processing;
• and
• sending, via a second program stored in a memory of the information processing apparatus, a second request corresponding to the first request to the external apparatus through an interface of the external apparatus designated in the first request from among the multiple external apparatuses upon receipt of the first request.

An apparatus coupled to an information processing apparatus that is coupled to multiple external apparatuses, which respectively receive a request through mutually different interfaces, the apparatus comprising:

• a first processor;
• and
• a first memory storing a first program that causes the first processor to
• receive a first request through a unified interface, which is unified relative to interfaces of the multiple external apparatuses;
• send the received first request to the information processing apparatus, wherein
• the information processing apparatus sends a second request, corresponding to the first request, to the external apparatus through an interface of the external apparatus designated in the first request from among the multiple external apparatuses upon receiving the first request.