? Installing Postman

? Quick Overview

Postman is a popular API testing and development tool used to send HTTP requests, inspect responses, automate testing, and collaborate on API workflows. It is available on Windows, macOS, and Linux.

? Key Concepts

Postman Desktop App
System-specific installers
Automatic updates
Optional Postman account login

? Syntax / Theory

Postman is installed as a desktop application. After installation, it allows you to create requests using methods like GET, POST, PUT, and DELETE without writing code.

? Installation Steps

? Windows

? View Code Example

// Steps to install Postman on Windows
1. Visit https://www.postman.com/downloads/
2. Download the Windows (64-bit) installer
3. Run the .exe file
4. Follow the setup wizard
5. Launch Postman from Start Menu

? macOS

? View Code Example

// Steps to install Postman on macOS
1. Visit https://www.postman.com/downloads/
2. Download the macOS version
3. Open the .zip file
4. Drag Postman to Applications folder
5. Launch from Applications

? Linux

? View Code Example

// Steps to install Postman on Linux using Snap
sudo snap install postman

? Live Output / Explanation

What Happens After Installation?

Once installed, Postman opens a workspace where you can create collections, send API requests, and view responses instantly.

? Mini Simulator: Your First Request

Click "Send" below to simulate how Postman fetches data from an API:

GET

? Use Cases

Testing REST APIs
Learning backend development
Debugging API responses
Automating API test cases

✅ Tips & Best Practices

Create a free Postman account to sync work
Use collections to organize requests
Save environments for different APIs

? Try It Yourself

Install Postman on your system
Create a GET request to https://api.github.com
Observe the JSON response