What is an API? A Beginner-Friendly Guide with Real-World Examples
What is an API? API stands for Application Programming Interface . It acts as a bridge that allows two applications to communicate with each other. Think of an API as a waiter in a restaurant—it takes your order (request), delivers it to the kitchen (server), and brings back your food (response). APIs make software interaction seamless. For example, when you book an Uber, your phone communicates with Uber’s servers through an API to fetch available drivers. Types of APIs (with Real-World Examples) There are four main types of APIs: 1. Open APIs (Public APIs) What it is: Available to developers and users with minimal restrictions. Example: Google Maps API – Used by food delivery apps to show the location of a restaurant and track orders. How it works: An app like Swiggy requests route details, Google Maps API responds with navigation info. 2. Partner APIs What it is: Available to specific business partners with access control. Example: PayPal API – Used by e-c...