DataScreenIQ vs User Agent Lookup API
Same instrument, two spec sheets — measured, not claimed.
DataScreenIQ vs User Agent Lookup API: common questions
Which is more reliable, DataScreenIQ or User Agent Lookup API?
On our scheduled checks, User Agent Lookup API leads on measured uptime — DataScreenIQ at —% versus User Agent Lookup API 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 DataScreenIQ and User Agent Lookup API need an API key?
User Agent Lookup API needs no key, while DataScreenIQ requires a free API key. If you want to start calling without signup, reach for User Agent Lookup API first.
Can I call DataScreenIQ and User Agent Lookup API from the browser?
Only DataScreenIQ is browser-friendly — it returns CORS headers over HTTPS. User Agent Lookup API needs a server-side call or proxy, so factor that into which one fits a front-end project.
Are DataScreenIQ and User Agent Lookup API free for commercial use?
DataScreenIQ has unclear commercial terms, and User Agent Lookup API 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.