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Battle.net vs Chess.com

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

APIBattle.netHEALTHY86Chess.comHEALTHY98
Uptime · 30d
Uptime · 90d100%99.04%
Uptime · 30d100%98.3%
P50 · ms1017168
P95 · ms3173682
AuthapiKeynone
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — key may be requiredFree — no API key
Rate limitUnpublishedSerial requests expected; no fixed cap published
In directory since2026-07-052026-07-05
operationalpartialdownno data

Battle.net vs Chess.com: common questions

Which is more reliable, Battle.net or Chess.com?

On our scheduled checks, Battle.net leads on measured uptime — Battle.net at 100% versus Chess.com at 99.04% 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, Battle.net or Chess.com?

Chess.com has the lower median latency in our checks — Battle.net responds in 1017 ms versus Chess.com at 168 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 Battle.net and Chess.com need an API key?

Chess.com needs no key, while Battle.net requires a free API key. If you want to start calling without signup, reach for Chess.com first.

Can I call Battle.net and Chess.com from the browser?

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

Are Battle.net and Chess.com free for commercial use?

Battle.net 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.