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City, Analyze Boston vs City, Nantes Open Data

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

APICity, Analyze BostonNEW—City, Nantes Open DataNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthapiKeyapiKey
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — API key requiredFree tier — key may be required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

City, Analyze Boston vs City, Nantes Open Data: common questions

Which is more reliable, City, Analyze Boston or City, Nantes Open Data?

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

Both ask you to authenticate — City, Analyze Boston uses an API key and City, Nantes Open Data uses an API key. Each key is free to obtain; the Auth and Card-required rows above spell out the signup terms.

Can I call City, Analyze Boston and City, Nantes Open Data from the browser?

Only City, Nantes Open Data is browser-friendly — it returns CORS headers over HTTPS. City, Analyze Boston needs a server-side call or proxy, so factor that into which one fits a front-end project.

Are City, Analyze Boston and City, Nantes Open Data free for commercial use?

City, Analyze Boston has unclear commercial terms, and City, Nantes 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.