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ONS vs Open Government, Spain

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

APIONSNEW—Open Government, SpainNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
Authnonenone
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedPer-dataset
Free tierFree — limits not publishedFree — no key required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

ONS vs Open Government, Spain: common questions

Which is more reliable, ONS or Open Government, Spain?

On our scheduled checks, Open Government, Spain leads on measured uptime — ONS at —% versus Open Government, Spain 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 ONS and Open Government, Spain need an API key?

Neither needs a paid key — ONS is callable with no signup, and Open Government, Spain is callable with no signup. Both are quick to prototype with; rate limits still apply.

Can I call ONS and Open Government, Spain from the browser?

Only ONS is browser-friendly — it returns CORS headers over HTTPS. Open Government, Spain needs a server-side call or proxy, so factor that into which one fits a front-end project.

Are ONS and Open Government, Spain free for commercial use?

ONS has unclear commercial terms, and Open Government, Spain 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.