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City, Toronto Open Data vs Colorado Information Marketplace

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

APICity, Toronto Open DataHEALTHY87Colorado Information MarketplaceHEALTHY61
Uptime · 30d
Uptime · 90d99.02%98.0%
Uptime · 30d100%96.7%
P50 · ms8721241
P95 · ms21703296
Authnonenone
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — no key required (CKAN)Free — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

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

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

On our scheduled checks, City, Toronto Open Data leads on measured uptime — City, Toronto Open Data at 99.02% versus Colorado Information Marketplace at 98.0% 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, City, Toronto Open Data or Colorado Information Marketplace?

City, Toronto Open Data has the lower median latency in our checks — City, Toronto Open Data responds in 872 ms versus Colorado Information Marketplace at 1241 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 City, Toronto Open Data and Colorado Information Marketplace need an API key?

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

Can I call City, Toronto Open Data and Colorado Information Marketplace 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 City, Toronto Open Data and Colorado Information Marketplace free for commercial use?

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