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Dota 2 vs LotteryData.io

Same instrument, two spec sheets — measured, not claimed.

APIDota 2NEW—LotteryData.ioNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthapiKeyapiKey
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — key may be requiredFree tier — API key required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Dota 2 vs LotteryData.io: common questions

Which is more reliable, Dota 2 or LotteryData.io?

On our scheduled checks, LotteryData.io leads on measured uptime — Dota 2 at —% versus LotteryData.io at —% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.

Do Dota 2 and LotteryData.io need an API key?

Both ask you to authenticate — Dota 2 uses an API key and LotteryData.io uses an API key. Each key is free to obtain; the Auth and Card-required rows above spell out the signup terms.

Can I call Dota 2 and LotteryData.io from the browser?

Only Dota 2 is browser-friendly — it returns CORS headers over HTTPS. LotteryData.io needs a server-side call or proxy, so factor that into which one fits a front-end project.

Are Dota 2 and LotteryData.io free for commercial use?

Dota 2 has unclear commercial terms, and LotteryData.io has unclear commercial terms. We track service terms and the data license as separate fields — see the Commercial use and Data license rows above, and confirm both before shipping either in a paid product.