CompanyData.com vs IBAN Validation API

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

Uptime · 30d
Uptime · 90d49.0%100%
Uptime · 30d55.0%100%
P50 · ms243861
P95 · ms9312151
Authnonenone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

CompanyData.com vs IBAN Validation API: common questions

Which is more reliable, CompanyData.com or IBAN Validation API?

On our scheduled checks, IBAN Validation API leads on measured uptime — CompanyData.com at 49.0% versus IBAN Validation API at 100% 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, CompanyData.com or IBAN Validation API?

CompanyData.com has the lower median latency in our checks — CompanyData.com responds in 243 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 CompanyData.com and IBAN Validation API need an API key?

Neither needs a paid key — CompanyData.com is callable with no signup, and IBAN Validation API is callable with no signup. Both are quick to prototype with; rate limits still apply.

Can I call CompanyData.com and IBAN Validation API from the browser?

Yes — both CompanyData.com and IBAN Validation API send CORS headers over HTTPS, so front-end code can fetch either directly with no backend proxy. That makes them easy to swap in a client-side app while you compare responses.

Are CompanyData.com and IBAN Validation API free for commercial use?

CompanyData.com 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.