Leetcode API

LeetCode primarily has a GraphQL API without official REST support or documentation, this project aims to make accessing LeetCode data more approachable by providing a simple and user-friendly REST API—eliminating the need to manually write GraphQL queries.

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Features

• Fetch LeetCode user profiles, badges, submissions, contests, calendars, and problems
• Easy-to-use REST endpoints
• Built with TypeScript
• Easily testable via Postman

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Folder Structure

• src/api — Functions for making API calls to LeetCode
• src/graphql — GraphQL queries extracted via LeetCode's network tab
• src/routes — Route handlers for user and problem-related endpoints
• src/services — Controller logic linked to routes
• src/types — TypeScript type definitions
• src/index.ts — Application entry point

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Installation

1. Clone this repository:

   git clone https://github.com/VarshithSoma/leetcode-graphql-to-rest.git
   cd leetcode-rest-api

2. Install dependencies:

   yarn install

3. Create config.env file and add PORT

   PORT=9009

4. Start the development server:

   yarn run dev

5. To compile TypeScript to JavaScript, run:

   tsc -b

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Live API

https://leetcode-graphql-to-rest.onrender.com

API Endpoints

Endpoint	Description
GET /:username	Get user profile Data
GET /:username/getBadges	Get user Badges
GET /:username/userSubmissions/:limit	Get user Submissions
GET /:username/acUserSubmissions/:limit	Get Accepted user Submissions
GET /:username/userCalendar	Get user submission Calendar
GET /:username/allContests	Get all Contest
GET /:username/allAttendedContests	Get all attended user Contests
GET /problems/:limit	Get leetcode problems data

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Scripts

Command	Description
yarn run dev	Run server with nodemon
yarn build	Compile TypeScript
yarn start	Start server from built JS

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