Judge0 API

About

Judge0 API is a robust and scalable open-source online code execution system.

Judge0 API can help you build wide range of applications varying from competitive programming platforms, educational and recruitment platforms, to online code editors and more.

To see Judge0 API in action, try Judge0 IDE - free and open-source code editor that uses Judge0 API for executing the user’s source code.

Features

• Quick and easy installation.
• Supports more than 40 languages.
• Runs source code in a secure and reliable sandbox.
• Send multiple source code files and any other files. Demo.
• Set custom compiler options. Demo.
• Set custom command line arguments. Demo.
• Set time and memory limits.
• HTTP callbacks.
• And many more.

For more information check out https://api.judge0.com.

Get Started

Choose a plan on RapidAPI or install on your own server.

Installation

To install Judge0 API on your own server follow deployment procedure for the latest release.

Demo

References

These companies, organizations and projects successfully use Judge0 API in production:

• Adzetech
• AlgoLadder
• Ask To How
• Brilliant Hire
• CODE.IN
• CodeChum
• CodeClimbers
• CodeForum.ORG
• CodeInn
• CodeManiacs - an online judge for IIT Mandi
• CodeRunner
• Codesites
• Codify
• DevCoach
• Dilla University
• Filtered
• GeekCoders
• Georg-August University of Göttingen
• Indian Institute of Technology Mandi
• Instacks
• Institute of Aeronautical Engineering
• JavaJudge0Api - a Java library for interacting with the Judge0 API
• Judge Code Online
• KPR Institute of Engineering and Technology
• KodKarate - an open-source IDE
• KodNest
• NewsCad
• Newton School
• Picode - an online code playground
• Soft CodeOn
• SparkDatabox
• Stemalica
• Studyfied
• Techie Delight
• Think exam
• ThinkingBell
• University of Zagreb, Faculty of Electrical Engineering and Computing
• Xiith
• judge0-gem - Ruby Gem for interacting with the Judge0 API
• judge0_helm - Helm Chart for Judge0 API
• judge0api - Python library for interacting with Judge0 API
• nGrader
• primat.org
• uDebug Tool
• wkspace
• yoCode

Feel free to add yours to the list by sending me an email or creating an issue.

Paper

We wrote a paper about Judge0 API that you can find here.

Community

Do you have a question, feature request or something else on your mind? Or you just want to follow Judge0 news? Check out these links:

• Subscribe to Judge0 newsletter
• Join a Discord server
• Watch asciicasts
• Report an issue
• Contact the author
• Get free online support
• Schedule an online meeting with the author

Author and Contributors

Judge0 API was created by Herman Zvonimir Došilović.

Thanks a lot to all contributors for their contributions in this project.

Changelog

Detailed specification of changes between versions can be found in CHANGELOG.md.

Special Thanks

Special thanks to these open-source projects without whom Judge0 API probably wouldn't exist: isolate, Docker, Ruby on Rails and others.

Supporters

Thanks a lot to all my Patrons and PayPal donors that helped me keep Judge0 API open-source. Thank you! ♥

Donate

Your are more than welcome to support Judge0 on Patreon, via PayPal or Revolut. Your monthly or one-time donation will help cover server costs and will allow me to spend more time on development and maintenance. Thank you! ♥

License

Judge0 API is licensed under the GNU General Public License v3.0.