React 19 Tutorial in Hindi #55 What is API

What is API

Why we need it

Interview Question

  1. Application Programming Interface.
  2. We need data from DB when making projects
  3. But JS can not connect with Database
  4. So we make api in other language as Java, PHP or node etc


  1. We need same data in multiple platform
  2. Like Web app, mobile app, Windos OS etc.
  3. So we make API in one language
  4. And use same api with all platforms


  1. API use JSON data