API Hacking Course
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Join our best API Hacking Course in Delhi at Cyberyaan Which is Delhi’s Best Digital Forensics Training Institute.
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Learn online and offline API Hacking Course with Cyberyaan Training Institute in Delhi with Certified Cyber Security Experts Trainers.
- Course Delivery : Online & Offline
- Course Language : Hindi, English
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- Mobile : +91 7428748576
About API Hacking Course
An API Hacking course is designed to teach cybersecurity professionals, ethical hackers, and developers how to identify, exploit, and secure vulnerabilities in Application Programming Interfaces (APIs). APIs are the backbone of modern web and mobile applications, enabling communication between different software systems. However, they are also a prime target for attackers due to misconfigurations, weak authentication, and insecure data handling. This course covers common API security risks such as broken authentication, injection attacks, excessive data exposure, and misconfigured CORS policies, providing hands-on training in tools like Postman, Burp Suite, and OWASP ZAP to test and exploit these weaknesses.
What You’ll Learn
Participants in an API hacking course gain practical skills in both offensive and defensive security techniques. The curriculum typically includes API reconnaissance, endpoint analysis, and manipulating requests to uncover flaws like IDOR (Insecure Direct Object Reference), SSRF (Server-Side Request Forgery), and business logic vulnerabilities. Students also learn how to secure APIs by implementing proper authentication (OAuth, JWT), rate limiting, input validation, and encryption. Real-world case studies and Capture The Flag (CTF) challenges help reinforce learning, making the course ideal for penetration testers and developers looking to build more secure applications. By the end, students will be equipped to conduct thorough API security assessments and protect systems from emerging threats.
Learning Objectives
- Learn different API types (REST, SOAP)
- Recognise OWASP API Security Top 10 risks
- Perform API reconnaissance and mapping
- Evaluate business logic and workflow security
- Detect missing or weak rate-limiting controls
- Test API keys, JWT tokens and OAuth flows
- Write clear and actionable reports
- Document findings and suggest security improvements
- Understand when to automate vs manual testing
- Extract information from documentation
Requirements of API Hacking Course
To enroll in the API Hacking course, consider the following requirements
- Technical Knowledge and Skills: Solid understanding of web technologies (HTTP/HTTPS, REST, SOAP, GraphQL) Familiarity with API concepts: endpoints, methods, headers, tokens, status codes Knowledge of authentication and authorization protocols (OAuth, JWT, API keys) Understanding common security vulnerabilities (OWASP API Security Top 10) Ability to analyze JSON, XML, and other data formats
- Access and Permissions: API documentation (Swagger/OpenAPI specs, Postman collections) if available Access credentials: API keys, tokens, or user accounts (test accounts preferred) Permission from the target organization or environment to legally perform testing (to avoid legal issues)
- Planning and Scoping: Defined scope of testing (which APIs, endpoints, data, features to test) Clear rules of engagement (allowed testing times, methods, severity limits) Backup and rollback plans in case testing impacts service availability
- Reporting and Documentation: Templates or tools for documenting vulnerabilities and test results Ability to create clear, actionable reports with steps to reproduce, impact assessment, and remediation guidance
- Soft Skills: Strong communication skills for interacting with developers and stakeholders Analytical mindset to spot subtle security issues Patience and persistence, as API testing can involve repetitive and detailed work
API Hacking Course Curriculum
- Module 01: Introduction to REST APIs and JSON Structure
- Module 02:Understanding API Endpoints and Methods
- Module 03: Enumerating API Endpoints and Parameters
- Module 04: Identifying Broken Object Level Authorization (BOLA)
- Module 05: Exploiting Common API Vulnerabilities
- Module 06: Injection Attacks in APIs (SQLi, Command Injection, XXE)
- Module 07: API Testing with Postman
- Module 08: API Analysis using Burp Suite
- Module 09: Exploiting API Authentication Flaws
- Module 10: API Security Best Practices (OAuth 2.0, JWT)
- Module 11: API Hardening and Mitigation Techniques
- Module 12: Final Lab: Performing a Complete API Penetration Test
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Modes of Training
Cyberyaan offers flexibility in terms of training modes to accommodate various learning preferences:
Target Audience
The target audience for an ethical hacking course typically includes individuals with certain backgrounds, interests, and career goals.
- Cybersecurity Professionals
- IT Professionals
- Ethical Hackers and Penetration Testers
- Students and Aspiring Cybersecurity Specialists
- Information Security Enthusiasts
- Security Researchers
- Corporate Security Teams
- Entrepreneurs and Business Owners
- Law Enforcement and Government Personnel
- Compliance and Risk Management Professionals
API Hacking Course in Delhi Overview
API hacking is the process of identifying and exploiting vulnerabilities in Application Programming Interfaces (APIs) to assess their security or carry out malicious attacks. APIs serve as the communication bridge between different software systems, enabling data exchange in web and mobile applications. However, due to misconfigurations, weak authentication, and poor input validation, APIs are a prime target for cyberattacks. Hackers target APIs to steal sensitive data, bypass authentication, or disrupt services, making API security a critical concern for developers and cybersecurity professionals.
Common API vulnerabilities include Broken Object Level Authorization (BOLA/IDOR), Injection Attacks (SQLi, NoSQLi), Mass Assignment, Improper Rate Limiting, and Excessive Data Exposure. Attackers manipulate API endpoints, intercept requests, and tamper with parameters to exploit these weaknesses. Tools like Burp Suite, Postman, OWASP ZAP, and curl are often used to test API security. Ethical hackers and penetration testers simulate these attacks to uncover flaws before malicious actors can exploit them, ensuring robust API protection.
As APIs continue to drive modern applications, understanding API hacking techniques is essential for securing digital infrastructure. Organizations must adopt best practices such as strong authentication (OAuth, JWT), input validation, encryption (HTTPS/TLS), and regular security audits to mitigate risks. Whether for offensive security testing or defensive hardening, API hacking skills are invaluable in today’s cybersecurity landscape.
Frequently Asked Question's
for API Hacking Course
What is API penetration testing?
API penetration testing is a security assessment where ethical hackers simulate attacks on APIs to identify vulnerabilities before malicious actors exploit them.
Why is API security testing important?
APIs are prime targets for attacks; testing helps prevent data breaches, unauthorized access, and service disruptions.
What types of APIs are tested during penetration testing?
REST, SOAP, GraphQL, and gRPC APIs are commonly tested for security flaws.
What are common tools used in API pentesting?
Burp Suite, Postman, OWASP ZAP, and curl are widely used for API security testing.
What are the top vulnerabilities found in APIs?
BOLA, Broken Authentication, Injection, Excessive Data Exposure, and Misconfigurations (OWASP API Top 10).
How is API pentesting different from web application testing?
API testing focuses on backend logic, data exchange, and endpoints, while web testing covers UI, cookies, and frontend flaws.
Do I need source code to perform API pentesting?
No, black-box testing is common, but white-box (with code access) provides deeper insights.
How often should API pentesting be conducted?
At least annually or after major updates, but critical systems may require quarterly tests.
What’s the difference between functional API testing and API pentesting?
Functional testing checks if APIs work correctly, while pentesting focuses on security weaknesses.
Can API security testing be automated?
Yes, tools like Burp Suite and OWASP ZAP can automate scans, but manual testing is still crucial.
