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A smarter way to learn with interactive, real-time conversations that help you test your knowledge, challenge assumptions, and deepen your understanding as you progress through the course. Dive into the world of API security testing with this comprehensive course designed for both aspiring bug hunters and penetration testers. You’ll gain hands-on experience with key API vulnerabilities, understand attack surfaces, and learn methods to detect and exploit weaknesses while strengthening your security mindset. This course equips you with actionable skills that are highly relevant in today’s cybersecurity landscape. Starting with a solid foundation, the course introduces API concepts, explains their importance in modern applications, and walks you through the different API types including REST, SOAP, and GraphQL. You’ll explore lab setups using vAPI and Docker, learn to work with Swagger UI and OpenAPI specifications, and practice configuring secure API requests for testing purposes. The course then moves into advanced, practical exercises with the OWASP Top 10 API vulnerabilities. Through interactive labs using Postman, you’ll learn to identify and exploit broken object-level authorization, excessive data exposure, mass assignment, security misconfigurations, and more. You’ll also gain insight into using fuzzers, parsing JSON outputs, and applying AI techniques in API pentesting. This course is ideal for ethical hackers, penetration testers, bug bounty hunters, and security enthusiasts who want to strengthen their API testing skills. No prior advanced experience is required, though a basic understanding of web technologies is helpful. Difficulty level is intermediate, suitable for learners looking to bridge theory and hands-on security practice. By the end of the course, you will be able to confidently identify API vulnerabilities, set up secure lab environments, leverage tools like Postman and Swagger UI for testing, and apply advanced techniques including fuzzing and AI-assisted pentesting to real-world API security challenges.