![]() The waiter notes down your order and conveys the ordered food items to the kitchen, and gets back to you with your ordered food. The kitchen in the restaurant acts as a system where the ordered food gets prepared. Imagine that you are at a restaurant having a menu card on your table, and a waiter is ready to take your order. To get a clear idea about what an API is, let us take one generic example. An Application Program Interface (API) acts as a software mediator between two different applications and promotes communication between them. What is Application Program Interface (API)?įor devices and their components to communicate with each other, there is a special and unique machine-readable interface called Application Program Interface or API. So, let us begin with a quick introduction to API. This article will assist you in understanding what an API is and some commonly-asked REST API interview questions. ![]() As a user interface helps us to communicate with computers and applications, an application program interface (API) helps computers and software applications to communicate with each other. They do not use any facial expressions or body gestures to interact with us or with one another. But what about the communication among various software programs installed on computers and smart devices? ![]() Thus, we can express and share our ideas easily with others. We interact and communicate with people using body gestures, facial expressions, and different languages. ![]()
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