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Dota 2 vs TETR.IO

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

APIDota 2NEW—TETR.IONEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthapiKeynone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — key may be requiredFree, no API key
Rate limitUnpublishedHonor server-provided cache expiry (~60s); docs require caching
In directory since2026-07-052026-07-05
operationalpartialdownno data

Dota 2 vs TETR.IO: common questions

Which is more reliable, Dota 2 or TETR.IO?

On our scheduled checks, TETR.IO leads on measured uptime — Dota 2 at —% versus TETR.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 TETR.IO need an API key?

TETR.IO needs no key, while Dota 2 requires a free API key. If you want to start calling without signup, reach for TETR.IO first.

Can I call Dota 2 and TETR.IO from the browser?

Yes — both Dota 2 and TETR.IO send CORS headers over HTTPS, so front-end code can fetch either directly with no backend proxy. That makes them easy to swap in a client-side app while you compare responses.

Are Dota 2 and TETR.IO free for commercial use?

Dota 2 has unclear commercial terms, and TETR.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.