CompanyData.com vs Exchangerate.host

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

Uptime · 30d
Uptime · 90d49.0%99.02%
Uptime · 30d55.0%98.3%
P50 · ms243398
P95 · ms9313637
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 Exchangerate.host: common questions

Which is more reliable, CompanyData.com or Exchangerate.host?

On our scheduled checks, Exchangerate.host leads on measured uptime — CompanyData.com at 49.0% versus Exchangerate.host at 99.02% 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 Exchangerate.host?

CompanyData.com has the lower median latency in our checks — CompanyData.com responds in 243 ms versus Exchangerate.host at 398 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 Exchangerate.host need an API key?

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

Can I call CompanyData.com and Exchangerate.host from the browser?

Yes — both CompanyData.com and Exchangerate.host 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 Exchangerate.host free for commercial use?

CompanyData.com has unclear commercial terms, and Exchangerate.host 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.