Open Government, UK vs OpenMercantil

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

Uptime · 30d
Uptime · 90d100%93.1%
Uptime · 30d100%98.3%
P50 · ms1686116
P95 · ms30873973
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, Open Government, UK leads on measured uptime — Open Government, UK at 100% versus OpenMercantil at 93.1% 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, Open Government, UK or OpenMercantil?

OpenMercantil has the lower median latency in our checks — Open Government, UK responds in 1686 ms versus OpenMercantil at 116 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 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.