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Banking API vs Exchangerate.dev

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

APIBanking APIHEALTHY98Exchangerate.devDYING63
Uptime · 30d
Uptime · 90d100%71.6%
Uptime · 30d100%51.7%
P50 · ms203336
P95 · ms1435807
AuthapiKeynone
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — API key requiredFree — limits not published
Rate limitUnpublished12 req/window · 11 remaining · resets 1783515720
In directory since2026-07-052026-07-05
operationalpartialdownno data

Banking API vs Exchangerate.dev: common questions

Which is more reliable, Banking API or Exchangerate.dev?

On our scheduled checks, Banking API leads on measured uptime — Banking API at 100% versus Exchangerate.dev at 71.6% 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, Banking API or Exchangerate.dev?

Banking API has the lower median latency in our checks — Banking API responds in 203 ms versus Exchangerate.dev at 336 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 Banking API and Exchangerate.dev need an API key?

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

Can I call Banking API and Exchangerate.dev from the browser?

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

Are Banking API and Exchangerate.dev free for commercial use?

Banking API has unclear commercial terms, and Exchangerate.dev 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.