LeetCode API

"Yet Another LeetCode API" - Because why reinvent the wheel? (But we did anyway 🛠️)

🚀 Core Services

Live Demo: leetcode-api-pied.vercel.app
Interactive Docs: docs.leetcode-api.vercel.app
Google Sheet Integration: View Sheet
(Daily updated LeetCode question database with sorting/filtering)

A no-nonsense LeetCode API service for developers who want LeetCode data without the scraping headaches. Perfect for:

Building coding portfolios 🖼️
Tracking practice stats 📊
Creating LeetCode-powered apps 💻
Just messing around with API endpoints 🤹

⚡ Quick Start

# Get today's daily challenge
curl https://leetcode-api-pied.vercel.app/daily

# Find a question by ID/slug
curl https://leetcode-api-pied.vercel.app/problem/two-sum

# Get user profile (try your LeetCode username!)
curl https://leetcode-api-pied.vercel.app/user/lee215

🔍 API Endpoints

Endpoint	Method	Description	Example
`/problems`	GET	All LeetCode problems	/problems
`/problem/{id_or_slug}`	GET	Get problem by ID/slug	/problem/two-sum
`/problems/{topic}`	GET	Problems by topic (arrays, DP, etc)	/problems/array
`/user/{username}`	GET	User profile & stats	/user/lee215
`/user/{username}/contests`	GET	User's recent contests	/user/lee215/contests
`/user/{username}/submissions`	GET	User's recent submissions	/user/lee215/submissions
`/daily`	GET	Today's coding challenge	/daily

🛠️ Local Setup

Clone the repo

git clone https://github.com/yourusername/leetcode-api.git
cd leetcode-api

Set up virtual environment (recommended)

python -m venv venv
source venv/bin/activate  # Linux/MacOS
venv\Scripts\activate     # Windows

Install dependencies
```
pip install -r requirements.txt
```
Run the server
```
python run.py
```
Visit http://localhost:8000/docs for local Swagger docs!

🔄 Daily Updated Full Problems JSON

Get the latest LeetCode problems. Either run:

python -m src.utils.download

or download leetcode_questions.json(updated daily) directly from the data folder.

🤔 Why This API?

Always Fresh Data 🥬 Auto-updating cache system (no stale LeetCode questions!)
Vercel-Ready ⚡ One-click deployment with serverless architecture
No API Keys 🔓 Free to use with sensible rate limits
Real LeetCode Data 🔥 Direct integration with LeetCode's GraphQL API

Disclaimer: This project isn't affiliated with LeetCode. Use at your own risk.

Made with ❤️ by Yan-Ying Liao