Open Government, UK vs OpenMercantil

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

Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms
P95 · ms
Authnonenone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useyesunclear
Data licenseOpen Government Licence v3.0 (varies per dataset)Unverified
Free tierFree — limits not publishedFree — anonymous, no key
Rate limitUnpublished60 req/min, 200 req/day per IP (anonymous)
In directory since2026-07-052026-07-05
operationalpartialdownno data

Open Government, UK vs OpenMercantil: common questions

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

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

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

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

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

Open Government, UK allows commercial use on its free tier, and OpenMercantil 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.