0x vs Alpha (Mossland)
Same instrument, two spec sheets — measured, not claimed.
0x vs Alpha (Mossland): common questions
Which is more reliable, 0x or Alpha (Mossland)?
Only Alpha (Mossland) is on our probe schedule so far (—% uptime over 90 days). The other is catalogued but not yet live-checked, so we can't compare measured reliability head-to-head — check the uncovered API's own status page for now.
Do 0x and Alpha (Mossland) need an API key?
Neither needs a paid key — 0x is callable with no signup, and Alpha (Mossland) is callable with no signup. Both are quick to prototype with; rate limits still apply.
Can I call 0x and Alpha (Mossland) from the browser?
Yes — both 0x and Alpha (Mossland) 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 Alpha (Mossland) free for commercial use?
0x has unclear commercial terms, and Alpha (Mossland) 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.