City, Toronto Open Data vs PermisAPI

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

Uptime · 30d
Uptime · 90d99.02%100%
Uptime · 30d100%100%
P50 · ms8721125
P95 · ms21702663
AuthnoneapiKey
CORSnono
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — no key required (CKAN)Free tier — API key may be required for production
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

City, Toronto Open Data vs PermisAPI: common questions

Which is more reliable, City, Toronto Open Data or PermisAPI?

On our scheduled checks, PermisAPI leads on measured uptime — City, Toronto Open Data at 99.02% versus PermisAPI at 100% 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 PermisAPI?

City, Toronto Open Data has the lower median latency in our checks — City, Toronto Open Data responds in 872 ms versus PermisAPI at 1125 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 PermisAPI need an API key?

City, Toronto Open Data needs no key, while PermisAPI requires a free API key. If you want to start calling without signup, reach for City, Toronto Open Data first.

Can I call City, Toronto Open Data and PermisAPI from the browser?

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

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

City, Toronto Open Data has unclear commercial terms, and PermisAPI 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.