How to Make an HTTP Request with cURL

cURL is a command-line tool for making HTTP requests. It's available on most systems and is widely used for API testing and scripting.

GET request example

Making a GET request to fetch data with custom headers:

curl -X GET "https://api.example.com/users" \
  -H "Accept: application/json" \
  -H "Authorization: Bearer YOUR_TOKEN"

Making a POST request to send JSON data:

curl -X POST "https://api.example.com/users" \
  -H "Content-Type: application/json" \
  -d '{"name": "John", "email": "john@example.com"}'

Python: Requests — simple and popular HTTP library, HTTPX — async-capable HTTP client
JavaScript: Axios — promise-based HTTP client, node-fetch — Fetch API for Node.js
Ruby: HTTParty — simple HTTP client, Faraday — flexible HTTP library, RestClient — lightweight REST client
Java: OkHttp — efficient HTTP client, Apache HttpClient — feature-rich library
C#: RestSharp — simple REST client, Flurl — fluent HTTP library
Go: resty — simple HTTP client, grequests — goroutine-based requests
PHP: Guzzle — popular PHP HTTP client, Symfony HttpClient — component-based HTTP client