Currents vs Quandl
Same instrument, two spec sheets — measured, not claimed.
Currents vs Quandl: common questions
Which is more reliable, Currents or Quandl?
Both are neck-and-neck — Currents and Quandl each measure 100% uptime over 90 days on our probe schedule. Reliability here is verified from our own scheduled checks; use the 30-day bars above to see which has been steadier lately.
Which is faster, Currents or Quandl?
Currents has the lower median latency in our checks — Currents responds in 586 ms versus Quandl at 823 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 Currents and Quandl need an API key?
Quandl needs no key, while Currents requires a free API key. If you want to start calling without signup, reach for Quandl first.
Can I call Currents and Quandl from the browser?
Neither sends browser-friendly CORS headers reliably, so call Currents and Quandl from a server or proxy rather than client-side. The CORS and HTTPS rows above show exactly what we detected for each.
Are Currents and Quandl free for commercial use?
Currents has unclear commercial terms, and Quandl 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.