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IP2Proxy vs OpenPLZ API

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

APIIP2ProxyNEW—OpenPLZ APINEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthapiKeynone
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — API key requiredFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

IP2Proxy vs OpenPLZ API: common questions

Which is more reliable, IP2Proxy or OpenPLZ API?

On our scheduled checks, OpenPLZ API leads on measured uptime — IP2Proxy at —% versus OpenPLZ API 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 IP2Proxy and OpenPLZ API need an API key?

OpenPLZ API needs no key, while IP2Proxy requires a free API key. If you want to start calling without signup, reach for OpenPLZ API first.

Can I call IP2Proxy and OpenPLZ API from the browser?

Only OpenPLZ API is browser-friendly — it returns CORS headers over HTTPS. IP2Proxy needs a server-side call or proxy, so factor that into which one fits a front-end project.

Are IP2Proxy and OpenPLZ API free for commercial use?

IP2Proxy has unclear commercial terms, and OpenPLZ 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.