Build Real
API Security Skills
Theory, code reviews, hands-on exploit labs,
and code remediation — all in your browser!
Join 600+ engineers building API security skills!

Code Review & Exploit Labs
Practice reviewing real-world API
code to uncover and exploit the vulnerabilities you
find in isolated lab environments.
Strengthen your ability to spot security issues,
validate them in practice and think like an AppSec
professional.

Remediate Vulnerabilities
Fix security vulnerabilities directly in the app using Python code examples based on real Damn
Vulnerable RESTaurant scenarios.
Learn how to properly remediate common API
security issues and build secure code practices.

Theoretical materials
API Security Champion provides a condensed theoretical learning materials to allow you to learn the most important aspects of API security and use it in practice to identify, exploit and remediate security vulnerabilities.

Quizzes to test your knowledge
Validate your understanding of web applications and API security principles through structured assessments.

What Our Users Say
“Clear, noise-free explanations paired with hands-on online labs make this course both engaging and highly effective.”
“Having followed the entire development lifecycle, I can attest that this is a technically robust platform grounded in deep domain expertise and real-world engineering practices.”
Choose Your Plan
Start learning for free or unlock the full experience with Pro
Unlock browser-based interactive labs, an in-platform code editor, and hands-on remediation of vulnerabilities. Pro additionally includes a certificate of completion.
Free
(Local only – run on your machine)
(Fix vulnerabilities in open-source code)
Lab Pass
(Built-in, browser-based labs)
(Fix vulnerabilities directly in the code)
Pro
(Built-in, browser-based labs)
(Fix vulnerabilities directly in the code)
Got Questions?
Absolutely. API Security Champion is designed for beginners and semi-advanced professionals for
training purposes.
You’ll start with the fundamentals and progress toward more advanced,
hands-on security topics at your own pace.
Yes. Code review challenges are designed to be realistic and thought-provoking,
helping
experienced developers sharpen their vulnerability detection and secure-coding skills.
Yes! You can obtain a certificate that is verifiable online after completing at least 80% of the practical challenges.
Authentication is handled through Auth0, a trusted identity and access
management platform.
Only essential data is processed by the API Security Champion platform to
ensure a safe and seamless learning experience.
All data is managed in compliance with
GDPR regulations and securely stored on EU-based servers.