Currencylayer vs Stripe
Same instrument, two spec sheets — measured, not claimed.
Currencylayer vs Stripe: common questions
Which is more reliable, Currencylayer or Stripe?
Both are neck-and-neck — Currencylayer and Stripe 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 Stripe?
Currencylayer has the lower median latency in our checks — Currencylayer responds in 511 ms versus Stripe at 670 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 Stripe need an API key?
Both ask you to authenticate — Currencylayer uses an API key and Stripe 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 Stripe from the browser?
Neither sends browser-friendly CORS headers reliably, so call Currencylayer and Stripe from a server or proxy rather than client-side. The CORS and HTTPS rows above show exactly what we detected for each.
Are Currencylayer and Stripe free for commercial use?
Currencylayer has unclear commercial terms, and Stripe 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.