API Badge

29 Videos
35 Exercises

The API badge is our set of exercises created to help you learn API testing. The first few challenges are based on challenges you already solved to get you more confident with API testing and review your knowledge and methodology. Then, harder challenges are provided to get you to the next level.

Exercises

Easy
API 01
  • This exercise is the API version of an exercise you already solved in the Essential Badge. You should use it to get more confident with discovering vulnerabilities without any hint on what to look for.
  • 1 video
  • Completed by 2856 students
  • Takes < 1 Hr. on average
  • Rails/Angular
  • API
  • cwe-639,cwe-284

 

Easy
API 02
  • This exercise is the API version of an exercise you already solved in another badge. You should use it to get more confident with discovering vulnerabilities without any hint on what to look for.
  • 1 video
  • Completed by 2384 students
  • Takes < 1 Hr. on average
  • Rails/Angular
  • API
  • CWE-327

 

Easy
API 03
  • This exercise is the API version of an exercise you already solved in another badge. You should use it to get more confident with discovering vulnerabilities without any hint on what to look for.
  • 1 video
  • Completed by 1837 students
  • Takes < 1 Hr. on average
  • Rails/Angular
  • API
  • CWE-327

 

Easy
API 04
  • This exercise covers how one can inspect JavaScript code to identify unused endpoints.
  • 1 video
  • Completed by 1790 students
  • Takes < 1 Hr. on average
  • Rails/Angular
  • API, Angular
  • CWE-1028

 

Easy
API 05
  • This exercise covers how one can inspect JavaScript code to identify unused endpoints.
  • 1 video
  • Completed by 1712 students
  • Takes < 1 Hr. on average
  • Rails/Angular
  • API, Angular
  • CWE-1028

 

Easy
API 06
  • This exercise covers how one can inspect JavaScript code to identify unused endpoints.
  • 1 video
  • Completed by 1437 students
  • Takes < 1 Hr. on average
  • Rails/Angular
  • API, Angular
  • CWE-1028

 

Medium
API 07
  • This exercise covers how one can inspect JavaScript code to identify information leak.
  • 1 video
  • Completed by 1281 students
  • Takes < 1 Hr. on average
  • Rails/Angular
  • API, Angular
  • CWE-950

 

Medium
API 08
  • This exercise covers how one can inspect HTTP responses to identify information leaks.
  • 1 video
  • Completed by 1209 students
  • Takes < 1 Hr. on average
  • Rails/Angular
  • CWE-200

 

Medium
API 09
  • This exercise covers how one can inspect HTTP responses to identify information leaks.
  • 1 video
  • Completed by 378 students
  • Takes < 1 Hr. on average
  • Rails/Angular

 

Medium
API 10
  • This exercise covers a common filter bypass in API.
  • 1 video
  • Completed by 290 students
  • Takes < 1 Hr. on average
  • Golang/Vue

 

Medium
API 11
  • This exercise covers a common filter bypass in API.
  • 1 video
  • Completed by 273 students
  • Takes < 1 Hr. on average
  • Golang/Vue

 

Medium
API 12
  • This exercise covers a common filter bypass in API.
  • 1 video
  • Completed by 248 students
  • Takes < 1 Hr. on average
  • Golang/Vue

 

Hard
API 13
  • This exercise covers a complex filter bypass in API.
  • 1 video
  • Completed by 223 students
  • Takes < 1 Hr. on average
  • Golang/Vue

 

Medium
API 14
  • This exercise covers how to exploit a leaked encrypted password with an API.
  • 1 video
  • Completed by 239 students
  • Takes < 1 Hr. on average
  • Golang/Vue

 

Hard
API 15
  • This exercise covers how to exploit a leaked encrypted password with an API.
  • 1 video
  • Completed by 195 students
  • Takes 1-2 Hrs. on average
  • Golang/Vue

 

Medium
API 16
  • This exercise covers how to exploit an authorization issue in an API.
  • Completed by 20 students
  • Takes < 1 Hr. on average
  • Golang

 

Medium
API 17
  • This exercise covers how to exploit an authorization issue in an API.
  • Completed by 13 students
  • Takes < 1 Hr. on average
  • Golang

 

Medium
API 18
  • This exercise covers how to exploit an authorization issue in an API.
  • Completed by 13 students
  • Takes < 1 Hr. on average
  • Golang

 

Medium
API 19
  • This exercise covers how to exploit an authorization issue in an API.
  • Completed by 13 students
  • Takes < 1 Hr. on average
  • Golang

 

Medium
API 20
  • This exercise covers how to exploit an authorization issue in an API.
  • Completed by 14 students
  • Takes < 1 Hr. on average
  • Golang

 

Coming soon
Medium
API Mobile 01
  • This exercise covers how you can intercept traffic from a mobile application and uses this to gain access to sensitive information.
  • Takes -- on average
  • Node/React Native

 

Easy
API Payments 01
  • This exercise covers a simple payments bypass.
  • 2 videos
  • Completed by 1447 students
  • Takes < 1 Hr. on average
  • Rails/Angular
  • API
  • CWE-288,CWE-354,CWE-472

 

Medium
API Payments 02
  • This exercise covers a simple payments bypass.
  • 2 videos
  • Completed by 1127 students
  • Takes < 1 Hr. on average
  • Rails/Angular
  • CWE-354,CWE-472

 

Medium
API Payments 03
  • This exercise covers a simple payments bypass.
  • 2 videos
  • Completed by 973 students
  • Takes < 1 Hr. on average
  • Rails/Angular
  • CWE-354,CWE-472

 

Medium
API Payments 04
  • This exercise covers how to abuse a shopping cart allowing users to apply a voucher..
  • 2 videos
  • Completed by 863 students
  • Takes < 1 Hr. on average
  • Rails/Angular
  • CWE-472

 

Hard
API Payments 05
  • This exercise covers how to abuse a shopping cart allowing users to apply a voucher.
  • 1 video
  • Completed by 621 students
  • Takes < 1 Hr. on average
  • Rails/Angular
  • CWE-345,CWE-693

 

Medium
API Payments 06
  • This exercise covers a simple payments bypass.
  • 2 videos
  • Completed by 689 students
  • Takes < 1 Hr. on average
  • Rails/Angular
  • CWE-472

 

Medium
API Payments 07
  • This exercise covers a way to manipulate a shopping cart to lower the total amount
  • 2 videos
  • Completed by 657 students
  • Takes < 1 Hr. on average
  • Rails/Angular
  • CWE-353

 

Easy
GraphQL Authorization 01
  • This exercise covers a simple authorization issue in a GraphQL application.
  • Completed by 26 students
  • Takes < 1 Hr. on average
  • GraphQL/Node

 

Easy
GraphQL Authorization 02
  • This exercise covers a simple authorization issue in a GraphQL application.
  • Completed by 24 students
  • Takes < 1 Hr. on average
  • GraphQL/Node

 

Medium
Mongo IDOR
  • This challenge covers how to exploit an IDOR when Mongo IDs are used
  • 1 video
  • Completed by 823 students
  • Takes < 1 Hr. on average
  • ROR/MongoDB

 

Coming soon
Medium
Mongo IDOR II
  • This challenge covers how to recover a Mongo ID to leverage an IDOR
  • Takes -- on average
  • ROR/MongoDB

 

Medium
ORM LEAK 01
  • This exercise covers how to exploit a simple ORM leak.
  • Completed by 46 students
  • Takes 1-2 Hrs. on average
  • Python

 

Medium
ORM LEAK 02
  • This exercise covers how to exploit an ORM leak vulnerability
  • Completed by 28 students
  • Takes < 1 Hr. on average
  • Python

 

Medium
ORM LEAK: SQLite
  • This exercise covers how to exploit an ORM leak vulnerability
  • Completed by 19 students
  • Takes < 1 Hr. on average
  • Python