0x vs CryptAPI
Same instrument, two spec sheets — measured, not claimed.
0x vs CryptAPI: common questions
Which is more reliable, 0x or CryptAPI?
Both are neck-and-neck — 0x and CryptAPI each measure 100% uptime over 90 days on our probe schedule. Reliability here is verified from our own scheduled checks; use the 30-day bars above to see which has been steadier lately.
Which is faster, 0x or CryptAPI?
CryptAPI has the lower median latency in our checks — 0x responds in 622 ms versus CryptAPI at 496 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 0x and CryptAPI need an API key?
Neither needs a paid key — 0x 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 0x and CryptAPI from the browser?
Yes — both 0x 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 0x and CryptAPI free for commercial use?
0x 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.