IDG. Figure 1. An application component with its API. When one program is used by another program, we call the first program the provider and the second one the client.

An application programming interface (API) is a set of programming codes that queries data, parse responses, and sends instructions between one software platform and another.

An API is simply a set of protocols that enables computer programs to communicate with one another. Most apps we use every day wouldn't function without APIs. Take food delivery apps , for example.

An application programming interface (API) is software that acts as an intermediary between two programs. APIs make it easy for apps to exchange information, data, pictures, and more. APIs also ...