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Brazil Central Bank Open Data vs City, Analyze Boston

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

APIBrazil Central Bank Open DataNEW—City, Analyze BostonNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthnoneapiKey
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree tier — API key required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Brazil Central Bank Open Data vs City, Analyze Boston: common questions

Which is more reliable, Brazil Central Bank Open Data or City, Analyze Boston?

On our scheduled checks, City, Analyze Boston leads on measured uptime — Brazil Central Bank Open Data at —% versus City, Analyze Boston 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 Central Bank Open Data and City, Analyze Boston need an API key?

Brazil Central Bank Open Data needs no key, while City, Analyze Boston requires a free API key. If you want to start calling without signup, reach for Brazil Central Bank Open Data first.

Can I call Brazil Central Bank Open Data and City, Analyze Boston from the browser?

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

Are Brazil Central Bank Open Data and City, Analyze Boston free for commercial use?

Brazil Central Bank Open Data has unclear commercial terms, and City, Analyze Boston 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.