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constant-k vs Solana Tracker
Every verified difference between constant-k and Solana Tracker, with a source for each value. Updated 12 Oct 2026.
Side by side
| Feature | constant-k | Solana Tracker |
|---|---|---|
| Pricing model | — | Freemium● |
| Fees | — | Free plan at 3 requests per second (10,000 requests per month per the docs, 2,500 per the marketing site); paid plans from EUR 50 to EUR 1,499 per month; 30% off annual billing● |
| Free plan | — | Yes● |
| API | — | Yes● |