API Badge

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.

41 exercises 90 completed 43 videos

Exercises

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 3518 students
Takes < 1 Hr. on average
Rails/Angular
API
cwe-639,cwe-284

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 3010 students
Takes < 1 Hr. on average
Rails/Angular
API
CWE-327

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 2449 students
Takes < 1 Hr. on average
Rails/Angular
API
CWE-327

This exercise covers how one can inspect JavaScript code to identify unused endpoints.
1 video
Completed by 2480 students
Takes < 1 Hr. on average
Rails/Angular
API, Angular
CWE-1028

This exercise covers how one can inspect JavaScript code to identify unused endpoints.
1 video
Completed by 2288 students
Takes < 1 Hr. on average
Rails/Angular
API, Angular
CWE-1028

This exercise covers how one can inspect JavaScript code to identify unused endpoints.
1 video
Completed by 1980 students
Takes < 1 Hr. on average
Rails/Angular
API, Angular
CWE-1028

This exercise covers how one can inspect JavaScript code to identify information leak.
1 video
Completed by 1847 students
Takes < 1 Hr. on average
Rails/Angular
API, Angular
CWE-950

This exercise covers how one can inspect HTTP responses to identify information leaks.
1 video
Completed by 1677 students
Takes < 1 Hr. on average
Rails/Angular
CWE-200

This exercise covers how one can inspect HTTP responses to identify information leaks.
1 video
Completed by 875 students
Takes < 1 Hr. on average
Rails/Angular

This exercise covers a common filter bypass in API.
1 video
Completed by 739 students
Takes < 1 Hr. on average
Golang/Vue

This exercise covers a common filter bypass in API.
1 video
Completed by 675 students
Takes < 1 Hr. on average
Golang/Vue

This exercise covers a common filter bypass in API.
1 video
Completed by 639 students
Takes < 1 Hr. on average
Golang/Vue

This exercise covers a complex filter bypass in API.
1 video
Completed by 572 students
Takes < 1 Hr. on average
Golang/Vue

This exercise covers how to exploit a leaked encrypted password with an API.
1 video
Completed by 656 students
Takes < 1 Hr. on average
Golang/Vue

This exercise covers how to exploit a leaked encrypted password with an API.
1 video
Completed by 572 students
Takes < 1 Hr. on average
Golang/Vue

This exercise covers how to exploit an authorization issue in an API.
2 videos
Completed by 438 students
Takes < 1 Hr. on average
Golang

This exercise covers how to exploit an authorization issue in an API.
2 videos
Completed by 408 students
Takes < 1 Hr. on average
Golang

This exercise covers how to exploit an authorization issue in an API.
2 videos
Completed by 497 students
Takes < 1 Hr. on average
Golang

This exercise covers how to exploit an authorization issue in an API.
1 video
Completed by 486 students
Takes < 1 Hr. on average
Golang

This exercise covers how to exploit an authorization issue in an API.
1 video
Completed by 466 students
Takes < 1 Hr. on average
Golang

API JWT REVOCATION

This exercise covers how to bypass a weak JWT Revocation Mechanism.
1 video
Completed by 413 students
Takes < 1 Hr. on average
Ruby-on-Rails
JWT

API Mass-Assignment 01

1 video
Completed by 425 students
Takes < 1 Hr. on average
Ruby-on-Rails

API Mass-Assignment 02

1 video
Completed by 400 students
Takes < 1 Hr. on average
Ruby-on-Rails

API Mass-Assignment 03

1 video
Completed by 368 students
Takes < 1 Hr. on average
Ruby-on-Rails

API Payments 01

This exercise covers a simple payments bypass.
2 videos
Completed by 1894 students
Takes < 1 Hr. on average
Rails/Angular
API
CWE-288,CWE-354,CWE-472

API Payments 02

This exercise covers a simple payments bypass.
2 videos
Completed by 1460 students
Takes < 1 Hr. on average
Rails/Angular
CWE-354,CWE-472

API Payments 03

This exercise covers a simple payments bypass.
2 videos
Completed by 1296 students
Takes < 1 Hr. on average
Rails/Angular
CWE-354,CWE-472

API Payments 04

This exercise covers how to abuse a shopping cart allowing users to apply a voucher..
2 videos
Completed by 1189 students
Takes < 1 Hr. on average
Rails/Angular
CWE-472

API Payments 05

This exercise covers how to abuse a shopping cart allowing users to apply a voucher.
1 video
Completed by 888 students
Takes < 1 Hr. on average
Rails/Angular
CWE-345,CWE-693

API Payments 06

This exercise covers a simple payments bypass.
2 videos
Completed by 931 students
Takes < 1 Hr. on average
Rails/Angular
CWE-472

API Payments 07

This exercise covers a way to manipulate a shopping cart to lower the total amount
2 videos
Completed by 897 students
Takes < 1 Hr. on average
Rails/Angular
CWE-353

GraphQL Authorization 01

This exercise covers a simple authorization issue in a GraphQL application.
1 video
Completed by 375 students
Takes < 1 Hr. on average
GraphQL/Node

GraphQL Authorization 02

This exercise covers a simple authorization issue in a GraphQL application.
1 video
Completed by 386 students
Takes < 1 Hr. on average
GraphQL/Node

This challenge covers how to exploit an IDOR when Mongo IDs are used
1 video
Completed by 1154 students
Takes < 1 Hr. on average
ROR/MongoDB

This challenge covers how to recover a Mongo ID to leverage an IDOR
Completed by 304 students
Takes < 1 Hr. on average
ROR/MongoDB

Completed by 200 students
Takes < 1 Hr. on average
ROR/MongoDB

Completed by 88 students
Takes 2-4 Hrs. on average
ROR/MongoDB

This exercise covers how to exploit a simple ORM leak.
Completed by 232 students
Takes 1-2 Hrs. on average
Python

This exercise covers how to exploit an ORM leak vulnerability
Completed by 192 students
Takes < 1 Hr. on average
Python

ORM LEAK: SQLite

This exercise covers how to exploit an ORM leak vulnerability
Completed by 121 students
Takes 1-2 Hrs. on average
Python

Completed by 170 students
Takes 1-2 Hrs. on average
ROR