BlockCypher vs CryptoLabel API
Same instrument, two spec sheets — measured, not claimed.
BlockCypher vs CryptoLabel API: common questions
Which is more reliable, BlockCypher or CryptoLabel API?
On our scheduled checks, CryptoLabel API leads on measured uptime — BlockCypher at 30.4% versus CryptoLabel API at 99.02% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.
Which is faster, BlockCypher or CryptoLabel API?
BlockCypher has the lower median latency in our checks — BlockCypher responds in 145 ms versus CryptoLabel API at 1384 ms (P50). Tail latency (P95) is in the table above; for most workloads the median is the number that shapes how the API feels.
Do BlockCypher and CryptoLabel API need an API key?
Neither needs a paid key — BlockCypher is callable with no signup, and CryptoLabel API is callable with no signup. Both are quick to prototype with; rate limits still apply.
Can I call BlockCypher and CryptoLabel API from the browser?
Only CryptoLabel API 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 CryptoLabel API free for commercial use?
BlockCypher has unclear commercial terms, and CryptoLabel API 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.