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City, Nantes Open Data vs Open Government, ACT

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

APICity, Nantes Open DataNEW—Open Government, ACTNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthapiKeynone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedPer-dataset
Free tierFree tier — key may be requiredFree — app token optional (raises limits)
Rate limitUnpublishedThrottled; higher limits with a free Socrata app token
In directory since2026-07-052026-07-05
operationalpartialdownno data

City, Nantes Open Data vs Open Government, ACT: common questions

Which is more reliable, City, Nantes Open Data or Open Government, ACT?

On our scheduled checks, Open Government, ACT leads on measured uptime — City, Nantes Open Data at —% versus Open Government, ACT 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 City, Nantes Open Data and Open Government, ACT need an API key?

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

Can I call City, Nantes Open Data and Open Government, ACT from the browser?

Yes — both City, Nantes Open Data and Open Government, ACT send CORS headers over HTTPS, so front-end code can fetch either directly with no backend proxy. That makes them easy to swap in a client-side app while you compare responses.

Are City, Nantes Open Data and Open Government, ACT free for commercial use?

City, Nantes Open Data has unclear commercial terms, and Open Government, ACT 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.