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Brazil Receita WS vs FastDOL

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

APIBrazil Receita WSNEW—FastDOLNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthnoneapiKey
CORSnono
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree tier — key may be required
Rate limit3 req/window · 2 remainingUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Brazil Receita WS vs FastDOL: common questions

Which is more reliable, Brazil Receita WS or FastDOL?

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

Brazil Receita WS needs no key, while FastDOL requires a free API key. If you want to start calling without signup, reach for Brazil Receita WS first.

Can I call Brazil Receita WS and FastDOL from the browser?

Neither sends browser-friendly CORS headers reliably, so call Brazil Receita WS and FastDOL from a server or proxy rather than client-side. The CORS and HTTPS rows above show exactly what we detected for each.

Are Brazil Receita WS and FastDOL free for commercial use?

Brazil Receita WS has unclear commercial terms, and FastDOL 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.