Steam vs TETR.IO

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

Uptime · 30d
Uptime · 90d88.2%100%
Uptime · 30d85.0%100%
P50 · ms268357
P95 · ms486906
Authnonenone
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree, no API keyFree, no API key
Rate limitUnpublished (undocumented endpoint; IP rate-limited)Honor server-provided cache expiry (~60s); docs require caching
In directory since2026-07-052026-07-05
operationalpartialdownno data

Steam vs TETR.IO: common questions

Which is more reliable, Steam or TETR.IO?

On our scheduled checks, TETR.IO leads on measured uptime — Steam at 88.2% versus TETR.IO at 100% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.

Which is faster, Steam or TETR.IO?

Steam has the lower median latency in our checks — Steam responds in 268 ms versus TETR.IO at 357 ms (P50). Tail latency (P95) is in the table above; for most workloads the median is the number that shapes how the API feels.

Do Steam and TETR.IO need an API key?

Neither needs a paid key — Steam is callable with no signup, and TETR.IO is callable with no signup. Both are quick to prototype with; rate limits still apply.

Can I call Steam and TETR.IO from the browser?

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

Are Steam and TETR.IO free for commercial use?

Steam 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.