API Breaker

Start the machine, hack the system, and find the hidden flags to complete this challenge and earn points!

1

Flags

1

Points

Challenge

Solution Available

Pro Exclusive

Start Lab Environment

~1-2 min setup

AWS dedicated

Private instance

Industry standard

Challenge

Welcome to API Breaker! This challenge features a vulnerable API with multiple endpoints. Your mission is to exploit the vulnerabilities to find the hidden flag!

You have access to guest credentials and an API tester interface. The flag is a UUID format.

Endpoints available: POST /login, GET /profile, GET /secret, GET /admin

First Blood 🩸
r3dkzyoud

Recent flags ⛳️

API Breaker

Challenge 1 points

Writeup Guidelines

Share your solution approach, methodology, and insights. Your writeup will be reviewed before being published to the community. Earn +1 bonus point when your writeup is approved!

Requirements:

No flag content: Do not reveal actual flag values or passwords in your writeup
Include lab link: Your writeup must contain a direct link to this lab for reference
Educational focus: Explain your methodology, tools used, and learning insights

Writeup URL *

Link to your blog post, GitHub repository, or any platform where you've published your writeup
Remember to include this lab's URL in your writeup: https://hackerdna.com/labs/api-breaker

Language *

Help others find writeups in their preferred language

Confirmation Required

I confirm that my writeup includes a direct link to this lab

Your writeup must reference this lab's URL: https://hackerdna.com/labs/api-breaker

I confirm that my writeup does NOT contain flag content or critical information

Do not include actual flags, passwords, or other sensitive information that would spoil the challenge

Labs / API Breaker

API Breaker

Start Lab Environment

First time? Watch this quick tutorial