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BlockCypher vs Coinbase

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

APIBlockCypherNEW—CoinbaseNEW—
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 limitRetry-After: 1787sUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

BlockCypher vs Coinbase: common questions

Which is more reliable, BlockCypher or Coinbase?

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

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

Can I call BlockCypher and Coinbase from the browser?

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

Are BlockCypher and Coinbase free for commercial use?

BlockCypher has unclear commercial terms, and Coinbase 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.