Brazil Central Bank Open Data vs FastDOL

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

Uptime · 30d
Uptime · 90d96.1%100%
Uptime · 30d96.7%100%
P50 · ms1432680
P95 · ms45721725
AuthnoneapiKey
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree tier — key may be required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Brazil Central Bank Open Data vs FastDOL: common questions

Which is more reliable, Brazil Central Bank Open Data or FastDOL?

On our scheduled checks, FastDOL leads on measured uptime — Brazil Central Bank Open Data at 96.1% versus FastDOL at 100% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.

Which is faster, Brazil Central Bank Open Data or FastDOL?

FastDOL has the lower median latency in our checks — Brazil Central Bank Open Data responds in 1432 ms versus FastDOL at 680 ms (P50). Tail latency (P95) is in the table above; for most workloads the median is the number that shapes how the API feels.

Do Brazil Central Bank Open Data and FastDOL need an API key?

Brazil Central Bank Open Data needs no key, while FastDOL 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 FastDOL from the browser?

Only Brazil Central Bank Open Data 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 Brazil Central Bank Open Data and FastDOL free for commercial use?

Brazil Central Bank Open Data 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.