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Binance vs Blockchair

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

APIBinanceNEW—BlockchairNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
Authnonenone
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Binance vs Blockchair: common questions

Which is more reliable, Binance or Blockchair?

On our scheduled checks, Blockchair leads on measured uptime — Binance at —% versus Blockchair 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 Binance and Blockchair need an API key?

Neither needs a paid key — Binance is callable with no signup, and Blockchair is callable with no signup. Both are quick to prototype with; rate limits still apply.

Can I call Binance and Blockchair from the browser?

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

Are Binance and Blockchair free for commercial use?

Binance has unclear commercial terms, and Blockchair 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.