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Brazil Receita WS vs Data USA

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

APIBrazil Receita WSNEW—Data USANEW—
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 limit3 req/window · 2 remainingUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Brazil Receita WS vs Data USA: common questions

Which is more reliable, Brazil Receita WS or Data USA?

On our scheduled checks, Data USA leads on measured uptime — Brazil Receita WS at —% versus Data USA 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 Brazil Receita WS and Data USA need an API key?

Neither needs a paid key — Brazil Receita WS is callable with no signup, and Data USA is callable with no signup. Both are quick to prototype with; rate limits still apply.

Can I call Brazil Receita WS and Data USA from the browser?

Only Data USA is browser-friendly — it returns CORS headers over HTTPS. Brazil Receita WS needs a server-side call or proxy, so factor that into which one fits a front-end project.

Are Brazil Receita WS and Data USA free for commercial use?

Brazil Receita WS has unclear commercial terms, and Data USA 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.