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CompanyData.com vs VATComply

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

APICompanyData.comNEW—VATComplyNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
Authnonenone
CORSnoyes
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 VATComply: common questions

Which is more reliable, CompanyData.com or VATComply?

On our scheduled checks, VATComply leads on measured uptime — CompanyData.com at —% versus VATComply 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 CompanyData.com and VATComply need an API key?

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

Can I call CompanyData.com and VATComply from the browser?

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

Are CompanyData.com and VATComply free for commercial use?

CompanyData.com has unclear commercial terms, and VATComply 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.