Introduction to Postman

Postman is a popular API testing and development tool used by developers and QA engineers to:
   ● Send API requests
   ● Validate API responses
   ● Automate API testing
   ● Manage API collections
   ● Perform API debugging

It provides a user-friendly interface for working with REST APIs without writing complex code.

Benefits of Postman
   ● Easy API testing
   ● Supports all HTTP methods
   ● Automation support
   ● Environment management
   ● API documentation
   ● CI/CD integration
   ● Team collaboration

Postman User Interface Overview
Main Components
1. Workspace
Area where APIs, collections, and environments are managed.
2. Request Builder
Used to create API requests.
3. Collections
Folder structure to organize APIs.
4. Environment Variables
Store reusable values such as:
{{base_url}}
{{token}}
5. Response Section
Displays:
Status code
Response body
Headers
Response time

Step 1: Create New Request

Click:

New → HTTP Request
Step 2: Select Method

Choose:

GET
Step 3: Enter API URL

Example:

https://exampleskguru.com/users
Step 4: Click Send

Postman sends request to server.

Step 5: Analyze Response

You will see:

Status code: 200 OK
JSON response
Headers
Response time