IPASIS vs OpenCorporates
Same instrument, two spec sheets — measured, not claimed.
IPASIS vs OpenCorporates: common questions
Which is more reliable, IPASIS or OpenCorporates?
Both are neck-and-neck — IPASIS and OpenCorporates each measure 0.0% 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.
Do IPASIS and OpenCorporates need an API key?
Both ask you to authenticate — IPASIS uses an API key and OpenCorporates uses an API key. Each key is free to obtain; the Auth and Card-required rows above spell out the signup terms.
Can I call IPASIS and OpenCorporates from the browser?
Neither sends browser-friendly CORS headers reliably, so call IPASIS and OpenCorporates 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 OpenCorporates free for commercial use?
IPASIS has unclear commercial terms, and OpenCorporates 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.