Nexchange vs OpenSea
Same instrument, two spec sheets — measured, not claimed.
Nexchange vs OpenSea: common questions
Which is more reliable, Nexchange or OpenSea?
On our scheduled checks, OpenSea leads on measured uptime — Nexchange at —% versus OpenSea at —% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.
Do Nexchange and OpenSea need an API key?
Nexchange needs no key, while OpenSea requires a free API key. If you want to start calling without signup, reach for Nexchange first.
Can I call Nexchange and OpenSea from the browser?
Yes — both Nexchange and OpenSea 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 Nexchange and OpenSea free for commercial use?
Nexchange has unclear commercial terms, and OpenSea 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.