Portscan vs UK Police
Same instrument, two spec sheets — measured, not claimed.
Portscan vs UK Police: common questions
Which is more reliable, Portscan or UK Police?
Both are neck-and-neck — Portscan and UK Police 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, Portscan or UK Police?
Portscan has the lower median latency in our checks — Portscan responds in 225 ms versus UK Police at 255 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 Portscan and UK Police need an API key?
Neither needs a paid key — Portscan is callable with no signup, and UK Police is callable with no signup. Both are quick to prototype with; rate limits still apply.
Can I call Portscan and UK Police from the browser?
Yes — both Portscan and UK Police 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 Portscan and UK Police free for commercial use?
Portscan has unclear commercial terms, and UK Police allows commercial use on its free tier. 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.