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?
Both are neck-and-neck — Cisco Spark and Nager.Date each measure 100% 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.
Which is faster, Cisco Spark or Nager.Date?
Nager.Date has the lower median latency in our checks — Cisco Spark responds in 1608 ms versus Nager.Date at 56 ms (P50). Tail latency (P95) is in the table above; for most workloads the median is the number that shapes how the API feels.
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.