Brazil Central Bank Open Data vs ONS
Same instrument, two spec sheets — measured, not claimed.
Brazil Central Bank Open Data vs ONS: common questions
Which is more reliable, Brazil Central Bank Open Data or ONS?
On our scheduled checks, ONS leads on measured uptime — Brazil Central Bank Open Data at 96.1% versus ONS 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 ONS?
ONS has the lower median latency in our checks — Brazil Central Bank Open Data responds in 1432 ms versus ONS at 732 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 ONS need an API key?
Neither needs a paid key — Brazil Central Bank Open Data is callable with no signup, and ONS is callable with no signup. Both are quick to prototype with; rate limits still apply.
Can I call Brazil Central Bank Open Data and ONS from the browser?
Yes — both Brazil Central Bank Open Data and ONS send CORS headers over HTTPS, so front-end code can fetch either directly with no backend proxy. That makes them easy to swap in a client-side app while you compare responses.
Are Brazil Central Bank Open Data and ONS free for commercial use?
Brazil Central Bank Open Data has unclear commercial terms, and ONS 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.