Cartes.io vs Proweblook IP Checker
Same instrument, two spec sheets — measured, not claimed.
Cartes.io vs Proweblook IP Checker: common questions
Which is more reliable, Cartes.io or Proweblook IP Checker?
On our scheduled checks, Proweblook IP Checker leads on measured uptime — Cartes.io at 99.02% versus Proweblook IP Checker at 100% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.
Which is faster, Cartes.io or Proweblook IP Checker?
Proweblook IP Checker has the lower median latency in our checks — Cartes.io responds in 612 ms versus Proweblook IP Checker 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 Cartes.io and Proweblook IP Checker need an API key?
Cartes.io needs no key, while Proweblook IP Checker requires a free API key. If you want to start calling without signup, reach for Cartes.io first.
Can I call Cartes.io and Proweblook IP Checker from the browser?
Yes — both Cartes.io and Proweblook IP Checker 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 Cartes.io and Proweblook IP Checker free for commercial use?
Cartes.io has unclear commercial terms, and Proweblook IP Checker 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.