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Colorado Information Marketplace vs City, Toronto Open Data

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

APIColorado Information MarketplaceNEW—City, Toronto Open DataNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
Authnonenone
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree — no key required (CKAN)
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Colorado Information Marketplace vs City, Toronto Open Data: common questions

Which is more reliable, Colorado Information Marketplace or City, Toronto Open Data?

On our scheduled checks, City, Toronto Open Data leads on measured uptime — Colorado Information Marketplace at —% versus City, Toronto Open Data 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 Colorado Information Marketplace and City, Toronto Open Data need an API key?

Neither needs a paid key — Colorado Information Marketplace is callable with no signup, and City, Toronto Open Data is callable with no signup. Both are quick to prototype with; rate limits still apply.

Can I call Colorado Information Marketplace and City, Toronto Open Data from the browser?

Only Colorado Information Marketplace is browser-friendly — it returns CORS headers over HTTPS. City, Toronto Open Data needs a server-side call or proxy, so factor that into which one fits a front-end project.

Are Colorado Information Marketplace and City, Toronto Open Data free for commercial use?

Colorado Information Marketplace has unclear commercial terms, and City, Toronto Open Data 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.