Generate Sudoku Puzzles, One API Call
Fresh 9×9 Sudoku puzzles at any difficulty — easy, medium, or hard — each with the complete solution included.
Trusted by puzzle and gaming teams
Fresh Puzzles, Complete Solutions
Every API call returns a randomly generated 9×9 Sudoku grid with the corresponding solution — ready to render in your app.
Validated Puzzles
Each puzzle is generated with a unique solution guaranteed. The response includes both the puzzle grid (with 0s for empty cells) and the complete solution grid — no solving required on your end.
{
"difficulty": "medium",
"puzzle": [
[0, 0, 3, 0, 0, 0, 0, 4, 0],
[0, 0, 0, 5, 0, 8, 0, 0, 0],
[5, 0, 0, 6, 0, 0, 0, 7, 3],
[9, 0, 0, 0, 6, 0, 0, 2, 0],
[0, 0, 8, 0, 0, 0, 1, 0, 0],
[0, 3, 0, 0, 5, 0, 0, 0, 8],
[3, 7, 0, 0, 0, 9, 0, 0, 6],
[0, 0, 0, 4, 0, 7, 0, 0, 0],
[0, 8, 0, 0, 0, 0, 9, 0, 0]
],
"solution": [
[7, 6, 3, 1, 9, 2, 8, 4, 5],
[2, 9, 1, 5, 4, 8, 6, 3, 7],
[5, 4, 8, 6, 7, 3, 2, 1, 9]
]
}
A Single GET Request
No session state, no puzzle IDs. Every call to GET /v1/entertainment/sudoku returns a freshly generated puzzle based on your chosen difficulty — easy, medium, or hard.
GET /v1/entertainment/sudoku?difficulty=medium
Host: requiems.xyz
requiems-api-key: YOUR_API_KEY
Built for Games, Education, and Content
Anywhere a logic puzzle adds engagement, this API can power it.
Puzzle Generation
Power puzzle apps and websites
Serve fresh puzzles on demand without maintaining your own generation algorithm.
Education
Teach logic and problem-solving
Generate puzzles at multiple difficulty levels for classroom exercises, homework, or brain-training apps.
Gaming
Add puzzles to mobile and web games
Integrate daily puzzles, timed challenges, or unlockable levels into your game loop.
Accessibility
Printable and offline-friendly
Use the plain JSON output to render puzzles in print formats, PDFs, or offline-friendly layouts.
Content
Daily puzzle features for publishers
Add a daily Sudoku column to your news site, blog, or newsletter with a single API call.
Integrations
Embed puzzles into workflows
Generate puzzles programmatically for Slack bots, Discord commands, or internal team challenges.
Pair It With Other APIs
Sudoku is more engaging combined. Stack it with other Requiems APIs to build richer game and puzzle experiences.
Benefit: Mix logic puzzles with trivia questions in the same session.
Outcome: A varied brain-training feed — puzzles and quizzes from a single provider.
Benefit: Follow up a completed puzzle with an inspirational quote.
Outcome: A rewarding flow — solve, read, repeat.
Benefit: Turn a puzzle link into a scannable QR code for print distribution.
Outcome: Bridge online and offline — one scan takes players straight to the daily puzzle.
Frequently Asked Questions
Still have questions?
Contact supportAdd Sudoku to your product with Requiems.
One API key. Sudoku puzzles, trivia questions, random quotes, and 50+ other APIs for building games and content-rich products.