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REST Countries vs Umeå Open Data

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

APIREST CountriesHEALTHY97Umeå Open DataHEALTHY57
Uptime · 30d
Uptime · 90d100%93.3%
Uptime · 30d100%98.3%
P50 · ms2741151
P95 · ms15204863
Authnonenone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useyesunclear
Data licenseMPL-2.0Varies by dataset (municipal open data; see portal)
Free tierUnlimitedFree — open data portal, no key
Rate limitNone published1000 req/window · 999 remaining · resets 2026-07-09 00:00:00+00:00
In directory since2026-05-022026-07-05
operationalpartialdownno data

REST Countries vs Umeå Open Data: common questions

Which is more reliable, REST Countries or Umeå Open Data?

On our scheduled checks, REST Countries leads on measured uptime — REST Countries at 100% versus Umeå Open Data at 93.3% 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, REST Countries or Umeå Open Data?

REST Countries has the lower median latency in our checks — REST Countries responds in 274 ms versus Umeå Open Data at 1151 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 REST Countries and Umeå Open Data need an API key?

Neither needs a paid key — REST Countries is callable with no signup, and Umeå Open Data is callable with no signup. Both are quick to prototype with; rate limits still apply.

Can I call REST Countries and Umeå Open Data from the browser?

Yes — both REST Countries and Umeå Open Data 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 REST Countries and Umeå Open Data free for commercial use?

REST Countries allows commercial use on its free tier, and Umeå Open Data 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.