Introduction to REST API

What is REST? Representational State Transfer

• Stateless communication
• Uses HTTP methods
• Resource-based URL

HTTP Methods Overview

Common methods for REST APIs:

• GET - Retrieve resource
• POST - Create resource
• PUT - Update resource
• DELETE - Remove resource

Example Request

GET /api/users/123 HTTP/1.1
Host: example.com
Authorization: Bearer <token>
        

This retrieves the user with ID 123.