Blockchair vs Coinlore
Same instrument, two spec sheets — measured, not claimed.
Blockchair vs Coinlore: common questions
Which is more reliable, Blockchair or Coinlore?
On our scheduled checks, Coinlore leads on measured uptime — Blockchair at —% versus Coinlore 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 Coinlore need an API key?
Neither needs a paid key — Blockchair is callable with no signup, and Coinlore is callable with no signup. Both are quick to prototype with; rate limits still apply.
Can I call Blockchair and Coinlore from the browser?
Yes — both Blockchair and Coinlore 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 Coinlore free for commercial use?
Blockchair has unclear commercial terms, and Coinlore 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.