Ambee vs The Guardian
Same instrument, two spec sheets — measured, not claimed.
Ambee vs The Guardian: common questions
Which is more reliable, Ambee or The Guardian?
On our scheduled checks, The Guardian leads on measured uptime — Ambee at 0.0% versus The Guardian at 50.6% 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 Ambee and The Guardian need an API key?
Both ask you to authenticate — Ambee uses an API key and The Guardian 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 Ambee and The Guardian from the browser?
Neither sends browser-friendly CORS headers reliably, so call Ambee and The Guardian from a server or proxy rather than client-side. The CORS and HTTPS rows above show exactly what we detected for each.
Are Ambee and The Guardian free for commercial use?
Ambee has unclear commercial terms, and The Guardian 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.