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City, Analyze Boston vs City, Nantes Open Data

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

APICity, Analyze BostonHEALTHY90City, Nantes Open DataHEALTHY83
Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms6631073
P95 · ms14102966
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?

Both are neck-and-neck — City, Analyze Boston and City, Nantes Open Data each measure 100% uptime over 90 days on our probe schedule. Reliability here is verified from our own scheduled checks; use the 30-day bars above to see which has been steadier lately.

Which is faster, City, Analyze Boston or City, Nantes Open Data?

City, Analyze Boston has the lower median latency in our checks — City, Analyze Boston responds in 663 ms versus City, Nantes Open Data at 1073 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, 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.