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Alpha (Mossland) vs Blockchain

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

APIAlpha (Mossland)NEW—BlockchainNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthnoneapiKey
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree tier — key may be required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Alpha (Mossland) vs Blockchain: common questions

Which is more reliable, Alpha (Mossland) or Blockchain?

On our scheduled checks, Blockchain leads on measured uptime — Alpha (Mossland) at —% versus Blockchain 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 Alpha (Mossland) and Blockchain need an API key?

Alpha (Mossland) needs no key, while Blockchain requires a free API key. If you want to start calling without signup, reach for Alpha (Mossland) first.

Can I call Alpha (Mossland) and Blockchain from the browser?

Only Alpha (Mossland) is browser-friendly — it returns CORS headers over HTTPS. Blockchain needs a server-side call or proxy, so factor that into which one fits a front-end project.

Are Alpha (Mossland) and Blockchain free for commercial use?

Alpha (Mossland) has unclear commercial terms, and Blockchain 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.