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Blockchair vs CoinRanking

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

APIBlockchairNEW—CoinRankingNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthnoneapiKey
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree tier — API key may be required for production
Rate limitUnpublished5 req/window · 4 remaining · resets 24
In directory since2026-07-052026-07-05
operationalpartialdownno data

Blockchair vs CoinRanking: common questions

Which is more reliable, Blockchair or CoinRanking?

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

Blockchair needs no key, while CoinRanking requires a free API key. If you want to start calling without signup, reach for Blockchair first.

Can I call Blockchair and CoinRanking from the browser?

Yes — both Blockchair and CoinRanking send CORS headers over HTTPS, so front-end code can fetch either directly with no backend proxy. That makes them easy to swap in a client-side app while you compare responses.

Are Blockchair and CoinRanking free for commercial use?

Blockchair has unclear commercial terms, and CoinRanking 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.