What is an API

Question

I seriously didn't know what an API is. I must have confused myself with IDE. So can I please get a simple definition of Application Programming Interfaces.

Answer 1

an API allows you to access data and functions from third party application.

Answer 2

An API is a set of functions, procedures, methods or classes used by computer programs to request services. Sets of technologies that enable applications to interact with each other.

Someone program that you add like an extra piece to your program to perform some task or give some resources.