API Testing Training Logo

API Testing Training

Live Online & Classroom Enterprise Training

API Testing focuses on validating application programming interfaces to ensure they function correctly, securely, and efficiently. This course covers fundamentals to practical implementation using industry-standard tools and best practices for modern software applications.

Looking for a private batch ?

REQUEST A CALLBACK

Need help finding the right training?

Your Message

  • Enterprise Reporting

  • Lifetime Access

  • CloudLabs

  • 24x7 Support

  • Real-time code analysis and feedback

What is API Testing Training about?

This course provides a comprehensive understanding of API testing concepts, methods, and tools used in real-world software development. Learners will gain hands-on experience in testing RESTful APIs, validating responses, automating API tests, and integrating API testing into CI/CD pipelines to ensure reliable and scalable applications. 

What are the objectives of API Testing Training ?

  • Understand API architecture and communication protocols 
  • Learn REST API testing concepts and methods 
  • Validate API requests, responses, and error handling 
  • Perform automated API testing using popular tools 
  • Integrate API testing with DevOps workflows 

Who is API Testing Training for?

  • Software testers and QA professionals 
  • Automation test engineers 
  • Backend and full-stack developers 
  • DevOps and CI/CD engineers 
  • Technical leads and solution architects

What are the prerequisites for API Testing Training?

Prerequisites:  

  • Basic knowledge of software testing concepts 
  • Understanding of HTTP/HTTPS protocols 
  • Familiarity with JSON and XML formats 
  • Basic programming or scripting knowledge 
  • Exposure to web or backend applications 


Learning Path: 

  • Fundamentals of APIs and web services 
  • Manual API testing techniques 
  • API automation using testing tools 
  • Advanced validations and security testing 
  • CI/CD integration and best practices 


Related Courses: 

  • REST API Automation Testing 
  • Postman for API Testing 
  • Performance Testing with APIs 
  • API Security Testing Fundamentals 

Available Training Modes

Live Online Training

3 Days

Course Outline Expand All

Expand All

  • What is an API?
  • Types of APIs: REST, SOAP, GraphQL
  • Web services vs APIs
  • Client-Server architecture
  • HTTP basics (methods, status codes, headers)
  • REST principles and constraints
  • REST vs SOAP comparison
  • JSON and XML formats
  • URI, endpoints, query parameters, path parameters
  • Common HTTP methods (GET, POST, PUT, DELETE, PATCH)
  • Postman (GUI-based testing)
  • cURL (Command-line testing)
  • Swagger / OpenAPI
  • Introduction to automation tools (RestAssured, JMeter, Karate, etc.)
  • Setting up Postman
  • Creating requests and collections
  • Environment variables and global variables
  • Using Pre-request and Test scripts
  • Writing tests in Postman using JavaScript
  • Running collections with Collection Runner
  • Exporting and sharing collections
  • Basic Auth, OAuth 2.0, API Keys, JWT
  • How to test authenticated APIs
  • Tokens and session management
  • Positive vs Negative Testing
  • Response structure and schema validation
  • Status code and header validations
  • Performance testing basics
  • Setting up Rest Assured with Maven
  • Writing test cases using TestNG / JUnit
  • Request and response handling
  • Chaining requests
  • Logging and reporting
  • Mocking APIs (using Postman or WireMock)
  • API Contract Testing (Swagger/OpenAPI validation)
  • Continuous Integration with Jenkins or GitHub Actions
  • Data-driven testing
  • Working with JSONPath and XPath
  • Common API errors and status codes (4xx, 5xx)
  • Troubleshooting failed tests
  • Debugging requests and responses

Who is the instructor for this training?

The trainer for this API Testing Training has extensive experience in this domain, including years of experience training & mentoring professionals.

Reviews