Etherscan vs Kraken
Same instrument, two spec sheets — measured, not claimed.
Etherscan vs Kraken: common questions
Which is more reliable, Etherscan or Kraken?
On our scheduled checks, Kraken leads on measured uptime — Etherscan at 99.02% versus Kraken 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 Kraken?
Kraken has the lower median latency in our checks — Etherscan responds in 660 ms versus Kraken at 155 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 Kraken need an API key?
Neither needs a paid key — Etherscan is callable with no signup, and Kraken is callable with no signup. Both are quick to prototype with; rate limits still apply.
Can I call Etherscan and Kraken from the browser?
Yes — both Etherscan and Kraken 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 Etherscan and Kraken free for commercial use?
Etherscan has unclear commercial terms, and Kraken 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.