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Colorado Information Marketplace vs Open Government, UK

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

APIColorado Information MarketplaceHEALTHY67Open Government, UKHEALTHY59
Uptime · 30d
Uptime · 90d97.8%97.8%
Uptime · 30d100%93.1%
P50 · ms4761196
P95 · ms40284975
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

Colorado Information Marketplace vs Open Government, UK: common questions

Which is more reliable, Colorado Information Marketplace or Open Government, UK?

Both are neck-and-neck — Colorado Information Marketplace and Open Government, UK each measure 97.8% uptime over 90 days on our probe schedule. Reliability here is verified from our own scheduled checks; use the 30-day bars above to see which has been steadier lately.

Which is faster, Colorado Information Marketplace or Open Government, UK?

Colorado Information Marketplace has the lower median latency in our checks — Colorado Information Marketplace responds in 476 ms versus Open Government, UK at 1196 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 Colorado Information Marketplace and Open Government, UK need an API key?

Neither needs a paid key — Colorado Information Marketplace 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 Colorado Information Marketplace and Open Government, UK from the browser?

Yes — both Colorado Information Marketplace 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 Colorado Information Marketplace and Open Government, UK free for commercial use?

Colorado Information Marketplace 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.