Instantoto — the slots & casino data API for builders
Query 381 slots from 24 game studios — RTP, volatility, reels, mechanics and release year — over a clean, keyless JSON API and a fully browsable reference site. Built for comparison sites, bots, research and AI.
381slots indexed
24providers
96.14%average RTP
99.00%highest RTP
Quickstart
One request, clean JSON
# Highest-RTP slots, as JSON curl "https://instantotodata.com/api.php?\ endpoint=slots&min_rtp=97&sort=-rtp&limit=3"
No API key. CORS-open. Filter by provider, volatility, RTP band, mechanics; sort on any field; paginate with cursors. Full reference →
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Top of the table
Highest RTP slots right now
| Slot | Provider | RTP | Volatility | Reels | Max win | Year |
|---|---|---|---|---|---|---|
| BOBook of 99 | ELK Studios | 99.00% | High | 5x3 | 5000x | 2021 |
| BSBlood Suckers | NetEnt | 98.00% | Low | 5x3 | 900x | 2011 |
| MJMega Joker | Booming Games | 98.00% | Medium | 5x3 | 2000x | 2017 |
| WRWhite Rabbit | Big Time Gaming | 97.24% | High | 5-reel | 13000x | 2017 |
| BSBlood Suckers II | NetEnt | 97.00% | Medium | 5x3 | 2500x | 2018 |
| GNGuns N' Roses | NetEnt | 96.98% | High | 5x3 | 5000x | 2012 |
| DFDragon's Fire | Big Time Gaming | 96.90% | High | 6x5 | 5000x | 2016 |
| DHDragon Hatch 2 | NetGame | 96.90% | High | 5x3 | 10000x | 2024 |
Build with it
What people build on Instantoto
📊 Comparison tables
Power RTP / volatility comparison widgets with always-consistent, structured data — no scraping.
🤖 Bots & AI tools
Feed slot metadata into chatbots, calculators and research notebooks. Machine-readable, with an OpenAPI spec and llms.txt.
🧩 Embeddable widgets
Drop a “Top RTP slots” widget on any page with one script tag. Generate an embed →
Curated
