BlockCypher vs VALR
Same instrument, two spec sheets — measured, not claimed.
BlockCypher vs VALR: common questions
Which is more reliable, BlockCypher or VALR?
On our scheduled checks, VALR leads on measured uptime — BlockCypher at 30.4% versus VALR at 100% 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 VALR?
BlockCypher has the lower median latency in our checks — BlockCypher responds in 145 ms versus VALR at 696 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 VALR need an API key?
BlockCypher needs no key, while VALR requires a free API key. If you want to start calling without signup, reach for BlockCypher first.
Can I call BlockCypher and VALR from the browser?
Neither sends browser-friendly CORS headers reliably, so call BlockCypher and VALR from a server or proxy rather than client-side. The CORS and HTTPS rows above show exactly what we detected for each.
Are BlockCypher and VALR free for commercial use?
BlockCypher has unclear commercial terms, and VALR 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.