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Cross Universe vs Steam

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

APICross UniverseNEW—SteamNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
Authnonenone
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverified (fan project)Unverified
Free tierFree — no keyFree, no API key
Rate limitUnpublishedUnpublished (undocumented endpoint; IP rate-limited)
In directory since2026-07-052026-07-05
operationalpartialdownno data

Cross Universe vs Steam: common questions

Which is more reliable, Cross Universe or Steam?

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

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

Can I call Cross Universe and Steam from the browser?

Only Cross Universe 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 Cross Universe and Steam free for commercial use?

Cross Universe has unclear commercial terms, and Steam 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.