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Coinlayer vs Pharos API

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

APICoinlayerNEW—Pharos APINEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthapiKeyapiKey
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — key may be requiredFree tier — API key required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Coinlayer vs Pharos API: common questions

Which is more reliable, Coinlayer or Pharos API?

On our scheduled checks, Pharos API leads on measured uptime — Coinlayer at —% versus Pharos API 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 Coinlayer and Pharos API need an API key?

Both ask you to authenticate — Coinlayer uses an API key and Pharos API uses an API key. Each key is free to obtain; the Auth and Card-required rows above spell out the signup terms.

Can I call Coinlayer and Pharos API from the browser?

Only Coinlayer is browser-friendly — it returns CORS headers over HTTPS. Pharos API needs a server-side call or proxy, so factor that into which one fits a front-end project.

Are Coinlayer and Pharos API free for commercial use?

Coinlayer has unclear commercial terms, and Pharos API 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.