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IBAN Validation API vs World Trading Data

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

APIIBAN Validation APINEW—World Trading DataNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthnoneapiKey
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree tier — API key may be required for production
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

IBAN Validation API vs World Trading Data: common questions

Which is more reliable, IBAN Validation API or World Trading Data?

On our scheduled checks, World Trading Data leads on measured uptime — IBAN Validation API at —% versus World Trading Data at —% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.

Do IBAN Validation API and World Trading Data need an API key?

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

Can I call IBAN Validation API and World Trading Data from the browser?

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

Are IBAN Validation API and World Trading Data free for commercial use?

IBAN Validation API has unclear commercial terms, and World Trading Data 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.