Etherscan vs VALR
Same instrument, two spec sheets — measured, not claimed.
Etherscan vs VALR: common questions
Which is more reliable, Etherscan or VALR?
On our scheduled checks, VALR leads on measured uptime — Etherscan at 99.02% 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, Etherscan or VALR?
Etherscan has the lower median latency in our checks — Etherscan responds in 660 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 Etherscan and VALR need an API key?
Etherscan needs no key, while VALR requires a free API key. If you want to start calling without signup, reach for Etherscan first.
Can I call Etherscan and VALR from the browser?
Only Etherscan is browser-friendly — it returns CORS headers over HTTPS. VALR needs a server-side call or proxy, so factor that into which one fits a front-end project.
Are Etherscan and VALR free for commercial use?
Etherscan 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.