Cisco Spark vs Nager.Date
Same instrument, two spec sheets — measured, not claimed.
Cisco Spark vs Nager.Date: common questions
Which is more reliable, Cisco Spark or Nager.Date?
On our scheduled checks, Nager.Date leads on measured uptime — Cisco Spark at —% versus Nager.Date 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 Cisco Spark and Nager.Date need an API key?
Nager.Date needs no key, while Cisco Spark requires a free API key. If you want to start calling without signup, reach for Nager.Date first.
Can I call Cisco Spark and Nager.Date from the browser?
Yes — both Cisco Spark and Nager.Date send CORS headers over HTTPS, so front-end code can fetch either directly with no backend proxy. That makes them easy to swap in a client-side app while you compare responses.
Are Cisco Spark and Nager.Date free for commercial use?
Cisco Spark has unclear commercial terms, and Nager.Date 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.