0x vs DeFi Llama
Same instrument, two spec sheets — measured, not claimed.
0x vs DeFi Llama: common questions
Which is more reliable, 0x or DeFi Llama?
On our scheduled checks, 0x leads on measured uptime — 0x at 100% versus DeFi Llama at 99.02% 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, 0x or DeFi Llama?
0x has the lower median latency in our checks — 0x responds in 622 ms versus DeFi Llama at 679 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 DeFi Llama need an API key?
Neither needs a paid key — 0x is callable with no signup, and DeFi Llama is callable with no signup. Both are quick to prototype with; rate limits still apply.
Can I call 0x and DeFi Llama from the browser?
Yes — both 0x and DeFi Llama 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 DeFi Llama free for commercial use?
0x has unclear commercial terms, and DeFi Llama 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.