API Ninjas Sudoku vs YouDoSudoku API
What buyers in this category compare on: Price per generated puzzle (per API request) and output format (JSON grid vs printable SVG/PNG).
| API Ninjas Sudoku | YouDoSudoku API | Sumbloom API (CyberMax) | |
|---|---|---|---|
| Paid plans | Developer $39/100,000; Business $99/1,000,000; Professional $199/10,000,000 (shared API Ninjas quota); JSON only | yearly: '34% off' yearly | None | Sumbloom API Starter: 10,000 puzzles a month: $5/month Sumbloom API Pro: 100,000 puzzles a month: $15/month Sumbloom API Starter yearly: 10,000 puzzles a month, billed yearly: $50/year Sumbloom API Pro yearly: 100,000 puzzles a month, billed yearly: $150/year |
| Free | Free tier with key (3,000 calls/mo shared); commercial use not permitted on free | '100% free', API key required, no stated rate limit; JSON only, sudoku only | free 50/day |
| Source | api-ninjas.com, 2026-09-27 | www.youdosudoku.com, 2026-09-27 | CyberMax store, live |
Reading the table
- API Ninjas Sudoku free tier: Free tier with key (3,000 calls/mo shared); commercial use not permitted on free. YouDoSudoku API free tier: '100% free', API key required, no stated rate limit; JSON only, sudoku only.
- Convert each plan to the unit you use before comparing; plan names and quotas are not equivalent across vendors.
- Both pages were read on the dates above; vendors change prices, so open the source links before you decide.
Get Sumbloom API Starter: 10,000 puzzles a month: $5/monthTry itAll plans
More: API Ninjas Sudoku alternatives · YouDoSudoku API alternatives · All Sumbloom API comparisons
Cite this page: CyberMax, "API Ninjas Sudoku vs YouDoSudoku API (and Sumbloom API): pricing compared (2026-09-27)", https://cybermaxtools.com/compare/rivals/api-ninjas-sudoku-vs-youdosudoku-api/ (prices checked 2026-09-27). Each rival price is quoted from the source linked next to it, on the date shown.
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