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Parkleitsystem API vs Proweblook IP Checker

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

APIParkleitsystem APINEW—Proweblook IP CheckerREACHABLE—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthnoneapiKey
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree tier — API key required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Parkleitsystem API vs Proweblook IP Checker: common questions

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

On our scheduled checks, Proweblook IP Checker leads on measured uptime — Parkleitsystem API at —% versus Proweblook IP Checker at —% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.

Do Parkleitsystem API and Proweblook IP Checker need an API key?

Parkleitsystem API needs no key, while Proweblook IP Checker requires a free API key. If you want to start calling without signup, reach for Parkleitsystem API first.

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

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

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

Parkleitsystem 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.