shipapis
StarSubmit an APISubmit API

ISO 3166-2 API vs Postali

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

APIISO 3166-2 APIHEALTHY84PostaliHEALTHY99
Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms105669
P95 · ms2865824
Authnonenone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree — no key, no signup, no monthly limit (per site)
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

ISO 3166-2 API vs Postali: common questions

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

Both are neck-and-neck — ISO 3166-2 API and Postali each measure 100% uptime over 90 days on our probe schedule. Reliability here is verified from our own scheduled checks; use the 30-day bars above to see which has been steadier lately.

Which is faster, ISO 3166-2 API or Postali?

Postali has the lower median latency in our checks — ISO 3166-2 API responds in 1056 ms versus Postali at 69 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 Postali need an API key?

Neither needs a paid key — ISO 3166-2 API is callable with no signup, and Postali is callable with no signup. Both are quick to prototype with; rate limits still apply.

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

Yes — both ISO 3166-2 API and Postali send CORS headers over HTTPS, so front-end code can fetch either directly with no backend proxy. That makes them easy to swap in a client-side app while you compare responses.

Are ISO 3166-2 API and Postali free for commercial use?

ISO 3166-2 API has unclear commercial terms, and Postali 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.