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SpaceTradersAPI vs Steam

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

APISpaceTradersAPINEW—SteamNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthapiKeynone
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — key may be requiredFree, no API key
Rate limitRetry-After: 1sUnpublished (undocumented endpoint; IP rate-limited)
In directory since2026-07-052026-07-05
operationalpartialdownno data

SpaceTradersAPI vs Steam: common questions

Which is more reliable, SpaceTradersAPI or Steam?

On our scheduled checks, Steam leads on measured uptime — SpaceTradersAPI 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 SpaceTradersAPI and Steam need an API key?

Steam needs no key, while SpaceTradersAPI requires a free API key. If you want to start calling without signup, reach for Steam first.

Can I call SpaceTradersAPI and Steam from the browser?

Only SpaceTradersAPI 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 SpaceTradersAPI and Steam free for commercial use?

SpaceTradersAPI 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.