What is the difference between GET and POST?

What You'll Learn

GET method characteristics
POST method characteristics
When to use each

GET vs POST Comparison

Feature	GET	POST
Purpose	Retrieve data	Submit data
Data location	URL query string	Request body
Cacheable	Yes	No
Idempotent	Yes	No
Bookmarkable	Yes	No
Data limit	~2KB (URL limit)	No limit

GET Request

code.jsJavaScript

// Fetch users with query params
GET /api/users?page=1&limit=10

// In JavaScript
fetch('/api/users?page=1&limit=10')
  .then(res => res.json());

POST Request

code.jsJavaScript

// Create new user
POST /api/users
Content-Type: application/json

{ "name": "John", "email": "john@example.com" }

// In JavaScript
fetch('/api/users', {
  method: 'POST',
  headers: { 'Content-Type': 'application/json' },
  body: JSON.stringify({ name: 'John', email: 'john@example.com' })
});

When to Use

GET: Fetching data, search queries, filtering
POST: Creating resources, form submissions, sensitive data