IP Data API vs Proweblook IP Checker
Same instrument, two spec sheets — measured, not claimed.
IP Data API vs Proweblook IP Checker: common questions
Which is more reliable, IP Data API or Proweblook IP Checker?
On our scheduled checks, Proweblook IP Checker leads on measured uptime — IP Data API 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, IP Data API or Proweblook IP Checker?
Proweblook IP Checker has the lower median latency in our checks — IP Data API responds in 124 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 IP Data API and Proweblook IP Checker need an API key?
IP Data API needs no key, while Proweblook IP Checker requires a free API key. If you want to start calling without signup, reach for IP Data API first.
Can I call IP Data API and Proweblook IP Checker from the browser?
Yes — both IP Data API 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 IP Data API and Proweblook IP Checker free for commercial use?
IP Data API 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.