ITIS vs JPL Close Approach
Same instrument, two spec sheets — measured, not claimed.
ITIS vs JPL Close Approach: common questions
Which is more reliable, ITIS or JPL Close Approach?
On our scheduled checks, JPL Close Approach leads on measured uptime — ITIS at —% versus JPL Close Approach 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 ITIS and JPL Close Approach need an API key?
Neither needs a paid key — ITIS is callable with no signup, and JPL Close Approach is callable with no signup. Both are quick to prototype with; rate limits still apply.
Can I call ITIS and JPL Close Approach from the browser?
Neither sends browser-friendly CORS headers reliably, so call ITIS and JPL Close Approach from a server or proxy rather than client-side. The CORS and HTTPS rows above show exactly what we detected for each.
Are ITIS and JPL Close Approach free for commercial use?
ITIS has unclear commercial terms, and JPL Close Approach 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.