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FastDOL vs Brazil

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

APIFastDOLNEW—BrazilNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthapiKeynone
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — key may be requiredFree — no key (beta)
Rate limitUnpublishedFair use — no loops or full-range scanning
In directory since2026-07-052026-07-05
operationalpartialdownno data

FastDOL vs Brazil: common questions

Which is more reliable, FastDOL or Brazil?

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

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

Can I call FastDOL and Brazil from the browser?

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

Are FastDOL and Brazil free for commercial use?

FastDOL has unclear commercial terms, and Brazil 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.