Callook.info vs User Data Scraper
Same instrument, two spec sheets — measured, not claimed.
Callook.info vs User Data Scraper: common questions
Which is more reliable, Callook.info or User Data Scraper?
Both are neck-and-neck — Callook.info and User Data Scraper 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, Callook.info or User Data Scraper?
User Data Scraper has the lower median latency in our checks — Callook.info responds in 437 ms versus User Data Scraper at 436 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 Callook.info and User Data Scraper need an API key?
Neither needs a paid key — Callook.info is callable with no signup, and User Data Scraper is callable with no signup. Both are quick to prototype with; rate limits still apply.
Can I call Callook.info and User Data Scraper from the browser?
Only Callook.info is browser-friendly — it returns CORS headers over HTTPS. User Data Scraper needs a server-side call or proxy, so factor that into which one fits a front-end project.
Are Callook.info and User Data Scraper free for commercial use?
Callook.info has unclear commercial terms, and User Data Scraper 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.