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ISO 3166-2 API vs Metadapi Zip Code

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

APIISO 3166-2 APIHEALTHY84Metadapi Zip CodeDEAD0
Uptime · 30d
Uptime · 90d100%0.0%
Uptime · 30d100%0.0%
P50 · ms1056—
P95 · ms2865—
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 Metadapi Zip Code: common questions

Which is more reliable, ISO 3166-2 API or Metadapi Zip Code?

On our scheduled checks, ISO 3166-2 API leads on measured uptime — ISO 3166-2 API at 100% versus Metadapi Zip Code at 0.0% 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 ISO 3166-2 API and Metadapi Zip Code need an API key?

ISO 3166-2 API needs no key, while Metadapi Zip Code 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 Metadapi Zip Code from the browser?

Only ISO 3166-2 API is browser-friendly — it returns CORS headers over HTTPS. Metadapi Zip Code needs a server-side call or proxy, so factor that into which one fits a front-end project.

Are ISO 3166-2 API and Metadapi Zip Code free for commercial use?

ISO 3166-2 API has unclear commercial terms, and Metadapi Zip Code 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.