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Banking API vs IBAN Validation API

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

APIBanking APIHEALTHY98IBAN Validation APIHEALTHY90
Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms203861
P95 · ms14352151
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

Banking API vs IBAN Validation API: common questions

Which is more reliable, Banking API or IBAN Validation API?

Both are neck-and-neck — Banking API and IBAN Validation API 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, Banking API or IBAN Validation API?

Banking API has the lower median latency in our checks — Banking API responds in 203 ms versus IBAN Validation API at 861 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 IBAN Validation API need an API key?

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

Can I call Banking API and IBAN Validation API from the browser?

Only IBAN Validation API 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 IBAN Validation API free for commercial use?

Banking API has unclear commercial terms, and IBAN Validation API 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.