shipapis
StarSubmit an APISubmit API

Adyen Checkout API vs Exchangerate.host

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

APIAdyen Checkout APIHEALTHY95Exchangerate.hostHEALTHY93
Uptime · 30d
Uptime · 90d100%99.02%
Uptime · 30d100%98.3%
P50 · ms418398
P95 · ms16673637
AuthapiKeynone
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — API key requiredFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Adyen Checkout API vs Exchangerate.host: common questions

Which is more reliable, Adyen Checkout API or Exchangerate.host?

On our scheduled checks, Adyen Checkout API leads on measured uptime — Adyen Checkout API at 100% versus Exchangerate.host at 99.02% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.

Which is faster, Adyen Checkout API or Exchangerate.host?

Exchangerate.host has the lower median latency in our checks — Adyen Checkout API responds in 418 ms versus Exchangerate.host at 398 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 Adyen Checkout API and Exchangerate.host need an API key?

Exchangerate.host needs no key, while Adyen Checkout API requires a free API key. If you want to start calling without signup, reach for Exchangerate.host first.

Can I call Adyen Checkout API and Exchangerate.host from the browser?

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

Are Adyen Checkout API and Exchangerate.host free for commercial use?

Adyen Checkout API has unclear commercial terms, and Exchangerate.host 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.