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