Selenium Training Online

Postman API Testing for Beginners (Manual Testing Only)

Section 1: Introduction to APIs

1. Course Introduction

2. What is an API?

3. What is API Testing?

4. Types of APIs

5. API vs Web Application Testing

6. Real-world API Examples

7. Understanding Client-Server Architecture

Section 2: HTTP Basics

1. What is HTTP?

2. HTTP Request & Response

3. URL Structure

4. HTTP Methods (GET, POST, PUT, PATCH, DELETE)

5. HTTP Status Codes

6. Request Headers

7. Response Headers

Section 3: Installing & Exploring Postman

1. Install Postman

2. Create a Free Account

3. Postman Interface Overview

4. Creating Your First Request

5. Understanding Request Builder

6. Saving Requests

Section 4: Working with GET Requests

1. Creating GET Requests

2. Query Parameters

3. Path Parameters

4. Viewing Response

5. Pretty, Raw & Preview Views

6. Response Time & Size

Section 5: Working with POST Requests

1. Creating Resources

2. Request Body

3. JSON Basics

4. Raw vs Form Data

5. Sending JSON Data

6. Verifying Response

Section 6: PUT, PATCH & DELETE

1. Updating Data Using PUT

2. Partial Updates Using PATCH

3. Deleting Records

4. Verifying CRUD Operations

Section 7: Understanding JSON

1. What is JSON?

2. JSON Objects

3. JSON Arrays

4. Nested JSON

5. Reading API Responses

6. JSON Formatting Tips

Section 8: Variables & Environments

1. Why Variables?

2. Global Variables

3. Collection Variables

4. Environment Variables

5. Switching Environments

Section 10: Authentication Basics

1. Why Authentication?

2. Basic Authentication

3. Bearer Token Authentication

4. API Key Authentication

Section 11: Manual API Validation

1. Verifying Status Codes

2. Validating Response Body

3. Validating Headers

4. Checking Response Time

5. Negative Testing

6. Error Responses