Quandl vs RestoSignals
Same instrument, two spec sheets — measured, not claimed.
Quandl vs RestoSignals: common questions
Which is more reliable, Quandl or RestoSignals?
Both are neck-and-neck — Quandl and RestoSignals 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, Quandl or RestoSignals?
Quandl has the lower median latency in our checks — Quandl responds in 420 ms versus RestoSignals at 748 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 Quandl and RestoSignals need an API key?
Quandl needs no key, while RestoSignals requires a free API key. If you want to start calling without signup, reach for Quandl first.
Can I call Quandl and RestoSignals from the browser?
Neither sends browser-friendly CORS headers reliably, so call Quandl and RestoSignals from a server or proxy rather than client-side. The CORS and HTTPS rows above show exactly what we detected for each.
Are Quandl and RestoSignals free for commercial use?
Quandl has unclear commercial terms, and RestoSignals 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.