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Call of Duty Mobile vs Chess.com

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

APICall of Duty MobileNEW—Chess.comNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
Authnonenone
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — no API keyFree — no API key
Rate limitUnpublishedSerial requests expected; no fixed cap published
In directory since2026-07-052026-07-05
operationalpartialdownno data

Call of Duty Mobile vs Chess.com: common questions

Which is more reliable, Call of Duty Mobile or Chess.com?

On our scheduled checks, Chess.com leads on measured uptime — Call of Duty Mobile at —% versus Chess.com 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 Call of Duty Mobile and Chess.com need an API key?

Neither needs a paid key — Call of Duty Mobile is callable with no signup, and Chess.com is callable with no signup. Both are quick to prototype with; rate limits still apply.

Can I call Call of Duty Mobile and Chess.com from the browser?

Only Chess.com is browser-friendly — it returns CORS headers over HTTPS. Call of Duty Mobile needs a server-side call or proxy, so factor that into which one fits a front-end project.

Are Call of Duty Mobile and Chess.com free for commercial use?

Call of Duty Mobile has unclear commercial terms, and Chess.com 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.