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Data.gov vs City, Toronto Open Data

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

APIData.govUNMONITORED—City, Toronto Open DataNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
Authnonenone
CORSnono
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

Data.gov vs City, Toronto Open Data: common questions

Which is more reliable, Data.gov or City, Toronto Open Data?

Only City, Toronto Open Data is on our probe schedule so far (—% uptime over 90 days). The other is catalogued but not yet live-checked, so we can't compare measured reliability head-to-head — check the uncovered API's own status page for now.

Do Data.gov and City, Toronto Open Data need an API key?

Neither needs a paid key — Data.gov 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 Data.gov and City, Toronto Open Data from the browser?

Neither sends browser-friendly CORS headers reliably, so call Data.gov and City, Toronto Open Data from a server or proxy rather than client-side. The CORS and HTTPS rows above show exactly what we detected for each.

Are Data.gov and City, Toronto Open Data free for commercial use?

Data.gov 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.