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IP Address API vs Pendo Feedback API

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

APIIP Address APINEW—Pendo Feedback APINEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthnoneapiKey
CORSyesno
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

IP Address API vs Pendo Feedback API: common questions

Which is more reliable, IP Address API or Pendo Feedback API?

On our scheduled checks, Pendo Feedback API leads on measured uptime — IP Address API at —% versus Pendo Feedback 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 IP Address API and Pendo Feedback API need an API key?

IP Address API needs no key, while Pendo Feedback API requires a free API key. If you want to start calling without signup, reach for IP Address API first.

Can I call IP Address API and Pendo Feedback API from the browser?

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

Are IP Address API and Pendo Feedback API free for commercial use?

IP Address API has unclear commercial terms, and Pendo Feedback 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.