Sudoku100

Générez et intégrez des puzzles de Sudoku via une API gratuite avec serveur MCP et intégration Skill pour les LLM (Claude, ChatGPT, Gemini). Aucune clé API requise.

GitHub

Documentation

Sudoku API

A public Sudoku generation API that requires no registration or API key, similar to picsum photos.

To play Sudoku online, visit the official website: https://www.sudoku100.com

Core Advantages

🔥 Algorithm Advantages

Advanced Backtracking Algorithm - Uses optimized backtracking algorithm to generate Sudoku, ensuring efficient performance
Unique Solution Guarantee - Each Sudoku puzzle is strictly verified to ensure only one unique solution
Real-time Online Generation - Generates new Sudoku puzzles in real-time for each request, ensuring diversity
Difficulty Levels - Provides 6-level difficulty system from beginner to extreme
Fast Response - Optimized algorithm ensures extremely short API response time

🚀 Technical Features

No Registration Required - Use directly without any restrictions
No API Key Needed - Public access, available anytime
Multiple Format Support - Supports PNG, WebP, SVG, JPG formats
Customizable Size - Adjustable image width (100-1000px)
Multi-language Support - Supports API documentation in 41 languages

Quick Start

Basic Usage

https://www.sudoku100.com/sudoku-img

Large Language Model Reference Example

Prompt: "Generate a medium difficulty Sudoku puzzle image using Sudoku100 API"

API Call:

https://www.sudoku100.com/sudoku-img/medium

API Endpoints

1. Dynamic Sudoku

URL: https://www.sudoku100.com/sudoku-img
Description: Generate Sudoku puzzles with random difficulty
Features: Real-time generation, unique solution guarantee
Example: https://www.sudoku100.com/sudoku-img

Dynamic Sudoku

2. Specified Difficulty

URL: https://www.sudoku100.com/sudoku-img/{difficulty}
Parameters:
- difficulty: Difficulty level (beginner, easy, medium, hard, expert, extreme)
Features: Precise difficulty control, suitable for users of different levels
Example: https://www.sudoku100.com/sudoku-img/hard

Difficulty	Example
Beginner
Easy
Medium
Hard
Expert
Extreme

3. Custom Size & Format

URL: https://www.sudoku100.com/sudoku-img?width={width}&format={format}
Parameters:
- width: Image width (100-1000)
- format: Image format (png, webp, svg, jpg)
Features: Customize the size and format of generated Sudoku
Example: https://www.sudoku100.com/sudoku-img?width=800&format=png

Custom Size

4. Get by ID

URL: https://www.sudoku100.com/img-id/{id}
Parameters:
- id: Sudoku puzzle ID (1-10000)
Features: Get the same Sudoku puzzle by ID
Example: https://www.sudoku100.com/img-id/238

Puzzle ID 238

Large Language Model Application Examples

Example 1: Random Sudoku

Prompt: "Generate a random Sudoku puzzle" API Call: https://www.sudoku100.com/sudoku-img

Example 2: Expert Level

Prompt: "I need an expert-level Sudoku for today's challenge" API Call: https://www.sudoku100.com/sudoku-img/expert

Example 3: Beginner Friendly

Prompt: "My daughter is 8 years old, show her an easy Sudoku" API Call: https://www.sudoku100.com/sudoku-img/easy

Example 4: Medium Difficulty

Prompt: "Give me a medium difficulty Sudoku to pass the time" API Call: https://www.sudoku100.com/sudoku-img/medium

Example 5: Hard Challenge

Prompt: "I want a hard Sudoku puzzle that will take me hours to solve" API Call: https://www.sudoku100.com/sudoku-img/hard

Example 6: Custom PNG Size

Prompt: "I need a 1000px wide PNG Sudoku for my website hero section" API Call: https://www.sudoku100.com/sudoku-img?width=1000&format=png

Example 7: SVG Format

Prompt: "Generate a vector SVG Sudoku for my design project" API Call: https://www.sudoku100.com/sudoku-img?width=500&format=svg

Example 8: Extreme Challenge

Prompt: "Only the most extreme Sudoku will do, I'm a speedrunner" API Call: https://www.sudoku100.com/sudoku-img/extreme

Example 9: Specific Puzzle ID

Prompt: "Load puzzle number 500, my friend solved it last week" API Call: https://www.sudoku100.com/img-id/500

Example 10: Embed Interactive Game

Prompt: "Add an interactive Sudoku game to my educational website" API Call: <iframe src="https://www.sudoku100.com/embed/interactive"></iframe>

Example 11: With Solution

Prompt: "Generate a Sudoku and show me the solution so I can check my answers" API Call: https://www.sudoku100.com/sudoku-solver?id=100

Example 12: Print-Friendly

Prompt: "Generate a high-resolution Sudoku I can print out for my morning commute" API Call: https://www.sudoku100.com/sudoku-img?width=800&format=png

Example 13: Daily Challenge

Prompt: "Give me today's daily Sudoku challenge at medium difficulty" API Call: https://www.sudoku100.com/sudoku-img/medium

Example 14: WebP for Performance

Prompt: "I need a lightweight WebP format Sudoku for fast loading" API Call: https://www.sudoku100.com/sudoku-img?width=600&format=webp

Algorithm Details

Generation Algorithm

Initial Board Generation - Generate complete Sudoku solution using random seed
Difficulty Adjustment - Remove corresponding numbers according to specified difficulty
Unique Solution Verification - Verify if the puzzle has only one solution using backtracking algorithm
Optimization Processing - Ensure the generated puzzle has a reasonable solving path

Performance Optimization

Pruning Technology - Use heuristic algorithms to reduce search space during backtracking
Parallel Processing - Utilize multi-threading to accelerate Sudoku generation
Caching Strategy - Cache common difficulty Sudoku templates to improve response speed
Progressive Generation - Dynamically adjust generation strategy to balance quality and speed

Integration Guide

Direct Reference

<img src="https://www.sudoku100.com/sudoku-img" alt="Sudoku Puzzle">

Direct Reference Example

Image Embed

<iframe
  src="https://www.sudoku100.com/sudoku-img"
  width="400"
  height="400"
  style="border: none; overflow: hidden;"
>
</iframe>

Image Embed Example

Notes:

You can embed Sudoku images directly into your web pages
Supports custom size and format parameters
Suitable for blogs, documentation, educational platforms, etc.

Interactive Embed

<iframe
  src="https://www.sudoku100.com/embed/interactive"
  width="800"
  height="600"
  style="border: none; overflow: hidden; border-radius: 6px;"
>
</iframe>

Interactive Embed Example