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BriefTape vs CompanyData.com

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

APIBriefTapeNEW—CompanyData.comNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthapiKeynone
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — API key requiredFree — limits not published
Rate limit10000 req/window · 9381 remaining · resets 1783555200Unpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

BriefTape vs CompanyData.com: common questions

Which is more reliable, BriefTape or CompanyData.com?

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

CompanyData.com needs no key, while BriefTape requires a free API key. If you want to start calling without signup, reach for CompanyData.com first.

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

Only BriefTape 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 BriefTape and CompanyData.com free for commercial use?

BriefTape has unclear commercial terms, and CompanyData.com 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.