IPASIS vs Quandl
Same instrument, two spec sheets — measured, not claimed.
IPASIS vs Quandl: common questions
Which is more reliable, IPASIS or Quandl?
On our scheduled checks, Quandl leads on measured uptime — IPASIS at —% versus Quandl 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 IPASIS and Quandl need an API key?
Quandl needs no key, while IPASIS requires a free API key. If you want to start calling without signup, reach for Quandl first.
Can I call IPASIS and Quandl from the browser?
Neither sends browser-friendly CORS headers reliably, so call IPASIS 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 IPASIS and Quandl free for commercial use?
IPASIS 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.