Currencylayer vs Finage

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

Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms511574
P95 · ms9671122
AuthapiKeyapiKey
CORSnoyes
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

Currencylayer vs Finage: common questions

Which is more reliable, Currencylayer or Finage?

Both are neck-and-neck — Currencylayer and Finage 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, Currencylayer or Finage?

Currencylayer has the lower median latency in our checks — Currencylayer responds in 511 ms versus Finage at 574 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 Currencylayer and Finage need an API key?

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

Only Finage 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 Currencylayer and Finage free for commercial use?

Currencylayer has unclear commercial terms, and Finage 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.