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Battle.net vs Deck of Cards

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

APIBattle.netNEW—Deck of CardsNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthapiKeynone
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — key may be requiredFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Battle.net vs Deck of Cards: common questions

Which is more reliable, Battle.net or Deck of Cards?

On our scheduled checks, Deck of Cards leads on measured uptime — Battle.net at —% versus Deck of Cards 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 Battle.net and Deck of Cards need an API key?

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

Can I call Battle.net and Deck of Cards from the browser?

Only Deck of Cards 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 Deck of Cards free for commercial use?

Battle.net has unclear commercial terms, and Deck of Cards 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.