API Testing (Manual & Automation) Full Course Syllabus

• Module 1: Introduction to API & Web Services
  • What is an API?
  • Why API Testing is Important
  • API vs Web Application Testing
  • Client–Server Architecture
  • Types of APIs
    • REST API
    • SOAP API
    • GraphQL (Overview)
• Module 2: HTTP & Web Basics
  • HTTP Protocol
  • HTTP Methods
    • GET
    • POST
    • PUT
    • PATCH
    • DELETE
  • HTTP Status Codes (1xx–5xx)
  • Request & Response Structure
  • Headers, Body & Parameters
• Module 3: API Data Formats
  • JSON Basics
  • XML Basics
  • JSON vs XML
  • Serialization & Deserialization (Concept)
• Module 4: Manual API Testing Concepts
  • Understanding API Documentation
  • CRUD Operations Testing
  • Positive & Negative Test Cases
  • Boundary Value Testing
  • Error Handling Validation
• Module 5: Postman Tool
  • Installing & Setting Up Postman
  • Creating Requests
  • Collections & Folders
  • Environment & Global Variables
  • Importing & Exporting Collections
• Module 6: API Authentication & Authorization
  • API Keys
  • Basic Authentication
  • Bearer Token
  • OAuth 2.0 (Concept)
  • JWT Token Basics
• Module 7: Validations in API Testing
  • Status Code Validation
  • Response Body Validation
  • Header Validation
  • Response Time Validation
• Module 8: API Automation Introduction
  • What is API Automation?
  • Benefits of API Automation
  • Automation vs Manual Testing
  • Automation Framework Overview
• Module 9: Programming Basics for API Automation
  • Java / Python / JavaScript Basics
  • Variables & Data Types
  • Loops & Conditions
  • Functions / Methods
  • Collections (List, Map)
• Module 10: API Automation Using Postman
  • Writing Test Scripts in Postman
  • JavaScript Assertions
  • Chaining API Requests
  • Data-Driven Testing
  • Running Tests using Newman
• Module 11: API Automation Framework
  • Framework Structure
  • Base URI Configuration
  • Reusable Methods
  • Request & Response Specifications
  • Logging Requests & Responses
• Module 12: Advanced API Testing
  • Pagination Testing
  • File Upload & Download APIs
  • Mocking & Stubbing (Concept)
• Module 13:Interview Questions
  • Real-Time API Testing Scenarios
  • Interview-Oriented Questions