Judge0 CE (Community Edition) API allows you to compile and execute code in multiple programming languages, making it perfect for building coding platforms and educational tools.

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Overview

Create Account

Sign up for a Judge0 CE account

Get API Key

Generate your Judge0 CE API key

Copy into Create

Add your API key to Create’s secrets

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Account Creation

1

Select your pricing plan

Go to https://rapidapi.com/judge0-official/api/judge0-ce/pricing and select the pricing plan you want.

2

Register for an Account

  • Fill in your name, email, and password
  • Select your usage purpose
  • Accept the terms of service

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Generate API Key

1

Access Your Dashboard

  1. Log in to your RapidAPI account
  2. Navigate to the “API” section at https://rapidapi.com/judge0-official/api/judge0-ce/
2

Find your API Key

  1. Select any endpoints in the left column.
  2. Copy the API Key.
  3. Store it securely for use in your applications.

Keep your API key secure - it grants access to your Rundown account and quota

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Add to Create Project

1

Add the integration

  1. In your Create project, type / in the chat
  2. Select “Judge0 CE” from the menu
2

Add your API key

  1. Paste your API key into the “RAPID_API_KEY” field

Need a new key? Generate one in your Judge0 CE dashboard.

3

Use it

You can now use prompts with the integration to execute code.

Some examples:

  • Execute Python code using /Judge0CE
  • Create a coding challenge platform with /Judge0CE
  • Build an online IDE using /Judge0CE

API has execution time limits - implement appropriate timeouts.

Example prompt for optimization:

When using /Judge0CE, add proper error handling for code execution

Your Judge0 CE integration is now ready! Use the /Judge0CE command in chat to execute code.

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