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bitpay API vs Currencylayer

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

APIbitpay APIHEALTHY93CurrencylayerHEALTHY93
Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms489511
P95 · ms2244967
AuthapiKeyapiKey
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — API key may be required for productionFree tier — key may be required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

bitpay API vs Currencylayer: common questions

Which is more reliable, bitpay API or Currencylayer?

Both are neck-and-neck — bitpay API and Currencylayer 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, bitpay API or Currencylayer?

bitpay API has the lower median latency in our checks — bitpay API responds in 489 ms versus Currencylayer at 511 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 bitpay API and Currencylayer need an API key?

Both ask you to authenticate — bitpay API uses an API key and Currencylayer 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 bitpay API and Currencylayer from the browser?

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

Are bitpay API and Currencylayer free for commercial use?

bitpay API has unclear commercial terms, and Currencylayer 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.