0x vs Alpha (Mossland)

Same instrument, two spec sheets — measured, not claimed.

Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms622761
P95 · ms34213240
Authnonenone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

0x vs Alpha (Mossland): common questions

Which is more reliable, 0x or Alpha (Mossland)?

Both are neck-and-neck — 0x and Alpha (Mossland) 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 Alpha (Mossland)?

0x has the lower median latency in our checks — 0x responds in 622 ms versus Alpha (Mossland) at 761 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 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.