DeFi Llama vs OpenSea
Same instrument, two spec sheets — measured, not claimed.
DeFi Llama vs OpenSea: common questions
Which is more reliable, DeFi Llama or OpenSea?
On our scheduled checks, OpenSea leads on measured uptime — DeFi Llama 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 DeFi Llama and OpenSea need an API key?
DeFi Llama needs no key, while OpenSea requires a free API key. If you want to start calling without signup, reach for DeFi Llama first.
Can I call DeFi Llama and OpenSea from the browser?
Yes — both DeFi Llama 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 DeFi Llama and OpenSea free for commercial use?
DeFi Llama 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.