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Breaking APIs: An Offensive API Pentesting Course
Rating: 4.4 out of 5(91 ratings)
3,689 students
Last updated 5/2026
English

What you'll learn

  • Understand the structure and functioning of APIs.
  • Identify common API vulnerabilities such as broken authentication, excessive data exposure, and improper rate limiting.
  • Perform API reconnaissance and enumeration using real-world tools.
  • Exploit API vulnerabilities to demonstrate security risks ethically.
  • Apply best practices for securing APIs against attacks.
  • Automate API testing with scripts to increase efficiency.
  • Analyze API responses and traffic for potential security issues.
  • Develop a comprehensive approach to report findings professionally.

Course content

18 sections62 lectures5h 13m total length
  • Introduction4:13
  • Introduction to API's8:20
  • What are REST API's ?4:10
  • Web Application Fundamentals11:21
  • Statefull and Stateless HTTP Reqests2:17
  • Types of API's6:40
  • API Authentication Process5:42

Requirements

  • No prior experience in API pentesting is required.
  • Basic understanding of HTTP, REST, and JSON is helpful but not mandatory.
  • A computer with internet access for practical exercises.

Description

APIs are the backbone of modern applications, enabling seamless interactions between services. However, their increasing presence makes them a prime target for attackers. "Breaking APIs: An Offensive API Pentesting Course" is designed to equip you with the offensive API pentesting skills necessary to find and exploit security flaws before malicious actors do.

This course begins with the fundamentals of API architecture and HTTP protocols, followed by hands-on techniques for API enumeration and testing. You will explore essential tools like Postman and Burp Suite, learning how to map APIs and uncover potential weaknesses. Progressing into more advanced concepts, you will dive into common API security vulnerabilities, such as broken authentication, broken authorization, and misconfigurations.

The course aligns with the OWASP API Security Top 10, tackling real-world vulnerabilities like Broken Object Level Authorization (BOLA), excessive data exposure, mass assignment, injection attacks, and improper asset management. Each module is designed to give you practical, hands-on experience in finding and exploiting these vulnerabilities, reinforcing your skills through detailed labs and challenges.

Whether you’re a penetration tester, security analyst, or developer, "Breaking APIs: An Offensive API Pentesting Course" will arm you with the skills and knowledge to secure APIs in today's threat landscape. By the end of this course, you will be prepared to conduct thorough API pentests, identify security risks, and protect sensitive data from emerging threats.

Who this course is for:

  • Beginners and security enthusiasts who want to learn API pentesting from scratch.
  • Web developers, QA engineers, and penetration testers looking to secure APIs.
  • Anyone interested in ethical hacking and offensive security with practical, hands-on exercises.
  • IT professionals aiming to expand their cybersecurity skill set with real-world API testing techniques.