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Steam vs Universalis

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

APISteamNEW—UniversalisNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
Authnonenone
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified; crowdsourced data
Free tierFree, no API keyFree, no API key required
Rate limitUnpublished (undocumented endpoint; IP rate-limited)Unpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Steam vs Universalis: common questions

Which is more reliable, Steam or Universalis?

On our scheduled checks, Universalis leads on measured uptime — Steam at —% versus Universalis 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 Steam and Universalis need an API key?

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

Can I call Steam and Universalis from the browser?

Only Universalis 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 Universalis free for commercial use?

Steam has unclear commercial terms, and Universalis 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.