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 106 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 3702 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 3176 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 2510 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 2547 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 2355 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 2038 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 1906 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 1812 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 1007 students
Takes < 1 Hr. on average
Rails/Angular

This exercise covers a common filter bypass in API.
1 video
Completed by 872 students
Takes < 1 Hr. on average
Golang/Vue

This exercise covers a common filter bypass in API.
1 video
Completed by 802 students
Takes < 1 Hr. on average
Golang/Vue

This exercise covers a common filter bypass in API.
1 video
Completed by 762 students
Takes < 1 Hr. on average
Golang/Vue

This exercise covers a complex filter bypass in API.
1 video
Completed by 686 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 713 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 623 students
Takes < 1 Hr. on average
Golang/Vue

This exercise covers how to exploit an authorization issue in an API.
2 videos
Completed by 552 students
Takes < 1 Hr. on average
Golang

This exercise covers how to exploit an authorization issue in an API.
2 videos
Completed by 461 students
Takes < 1 Hr. on average
Golang

This exercise covers how to exploit an authorization issue in an API.
2 videos
Completed by 550 students
Takes < 1 Hr. on average
Golang

This exercise covers how to exploit an authorization issue in an API.
1 video
Completed by 537 students
Takes < 1 Hr. on average
Golang

This exercise covers how to exploit an authorization issue in an API.
1 video
Completed by 518 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 467 students
Takes < 1 Hr. on average
Ruby-on-Rails
JWT

API Mass-Assignment 01

1 video
Completed by 484 students
Takes < 1 Hr. on average
Ruby-on-Rails

API Mass-Assignment 02

1 video
Completed by 457 students
Takes < 1 Hr. on average
Ruby-on-Rails

API Mass-Assignment 03

1 video
Completed by 424 students
Takes < 1 Hr. on average
Ruby-on-Rails

API Payments 01

This exercise covers a simple payments bypass.
2 videos
Completed by 2009 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 1508 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 1342 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 1235 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 926 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 1019 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 986 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 429 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 439 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 1197 students
Takes < 1 Hr. on average
ROR/MongoDB

This challenge covers how to recover a Mongo ID to leverage an IDOR
Completed by 352 students
Takes < 1 Hr. on average
ROR/MongoDB

Completed by 239 students
Takes < 1 Hr. on average
ROR/MongoDB

Completed by 137 students
Takes 2-4 Hrs. on average
ROR/MongoDB

This exercise covers how to exploit a simple ORM leak.
Completed by 275 students
Takes 1-2 Hrs. on average
Python

This exercise covers how to exploit an ORM leak vulnerability
Completed by 231 students
Takes < 1 Hr. on average
Python

ORM LEAK: SQLite

This exercise covers how to exploit an ORM leak vulnerability
Completed by 158 students
Takes 1-2 Hrs. on average
Python

Completed by 219 students
Takes 1-2 Hrs. on average
ROR