関連ワード:  what is api in iot    what is communication api in iot    what is rest api in iot    what is api key in iot    what is mashing up api in iot    what is mean by api in iot    what is rest api used in iot systems    what is the full form of api in iot    what is the use of communication api in iot    what is an api in the context of iot