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USAspending.gov vs City, Toronto Open Data

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

APIUSAspending.govNEW—City, Toronto Open DataNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
Authnonenone
CORSnono
HTTPSyesyes
Card requirednono
Commercial useyesunclear
Data licenseU.S. Government Work (public domain)Unverified
Free tierFree — no key requiredFree — no key required (CKAN)
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

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

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

On our scheduled checks, City, Toronto Open Data leads on measured uptime — USAspending.gov 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 USAspending.gov and City, Toronto Open Data need an API key?

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

Neither sends browser-friendly CORS headers reliably, so call USAspending.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 USAspending.gov and City, Toronto Open Data free for commercial use?

USAspending.gov allows commercial use on its free tier, 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.