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Alpha (Mossland) vs Coinlayer

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

APIAlpha (Mossland)NEW—CoinlayerNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthnoneapiKey
CORSyesyes
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 Coinlayer: common questions

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

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

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

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

Yes — both Alpha (Mossland) and Coinlayer 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 Alpha (Mossland) and Coinlayer free for commercial use?

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