shipapis
StarSubmit an APISubmit API

ISO 3166-2 API vs Pendo Feedback API

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

APIISO 3166-2 APIHEALTHY84Pendo Feedback APIDYING67
Uptime · 30d
Uptime · 90d100%53.9%
Uptime · 30d100%21.7%
P50 · ms1056517
P95 · ms2865812
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

ISO 3166-2 API vs Pendo Feedback API: common questions

Which is more reliable, ISO 3166-2 API or Pendo Feedback API?

On our scheduled checks, ISO 3166-2 API leads on measured uptime — ISO 3166-2 API at 100% versus Pendo Feedback API at 53.9% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.

Which is faster, ISO 3166-2 API or Pendo Feedback API?

Pendo Feedback API has the lower median latency in our checks — ISO 3166-2 API responds in 1056 ms versus Pendo Feedback API at 517 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 ISO 3166-2 API and Pendo Feedback API need an API key?

ISO 3166-2 API needs no key, while Pendo Feedback API requires a free API key. If you want to start calling without signup, reach for ISO 3166-2 API first.

Can I call ISO 3166-2 API and Pendo Feedback API from the browser?

Only ISO 3166-2 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 ISO 3166-2 API and Pendo Feedback API free for commercial use?

ISO 3166-2 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.