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Chess.com vs Steam

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

APIChess.comHEALTHY98SteamHEALTHY91
Uptime · 30d
Uptime · 90d99.02%88.2%
Uptime · 30d98.3%85.0%
P50 · ms168268
P95 · ms682486
Authnonenone
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — no API keyFree, no API key
Rate limitSerial requests expected; no fixed cap publishedUnpublished (undocumented endpoint; IP rate-limited)
In directory since2026-07-052026-07-05
operationalpartialdownno data

Chess.com vs Steam: common questions

Which is more reliable, Chess.com or Steam?

On our scheduled checks, Chess.com leads on measured uptime — Chess.com at 99.02% versus Steam at 88.2% 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, Chess.com or Steam?

Chess.com has the lower median latency in our checks — Chess.com responds in 168 ms versus Steam at 268 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 Chess.com and Steam need an API key?

Neither needs a paid key — Chess.com 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 Chess.com and Steam from the browser?

Only Chess.com 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 Chess.com and Steam free for commercial use?

Chess.com 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.