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EPA vs Open Government, UK

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

APIEPANEW—Open Government, UKNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
Authnonenone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearyes
Data licenseUnverifiedOpen Government Licence v3.0 (varies per dataset)
Free tierFree — limits not publishedFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

EPA vs Open Government, UK: common questions

Which is more reliable, EPA or Open Government, UK?

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

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

Can I call EPA and Open Government, UK from the browser?

Yes — both EPA and Open Government, UK 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 EPA and Open Government, UK free for commercial use?

EPA has unclear commercial terms, and Open Government, UK allows commercial use on its free tier. 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.