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Proweblook IP Checker vs Smappee API

Same instrument, two spec sheets — measured, not claimed.

APIProweblook IP CheckerREACHABLE100Smappee APIHEALTHY89
Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms56809
P95 · ms2321644
AuthapiKeyapiKey
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — API key requiredFree tier — API key required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Proweblook IP Checker vs Smappee API: common questions

Which is more reliable, Proweblook IP Checker or Smappee API?

Both are neck-and-neck — Proweblook IP Checker and Smappee API 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, Proweblook IP Checker or Smappee API?

Proweblook IP Checker has the lower median latency in our checks — Proweblook IP Checker responds in 56 ms versus Smappee API at 809 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 Proweblook IP Checker and Smappee API need an API key?

Both ask you to authenticate — Proweblook IP Checker uses an API key and Smappee API uses an API key. Each key is free to obtain; the Auth and Card-required rows above spell out the signup terms.

Can I call Proweblook IP Checker and Smappee API from the browser?

Only Proweblook IP Checker is browser-friendly — it returns CORS headers over HTTPS. Smappee API needs a server-side call or proxy, so factor that into which one fits a front-end project.

Are Proweblook IP Checker and Smappee API free for commercial use?

Proweblook IP Checker has unclear commercial terms, and Smappee 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.