shipapis
StarSubmit an APISubmit API

City, Analyze Boston vs ONS

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

APICity, Analyze BostonNEW—ONSNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthapiKeynone
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — API key requiredFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

City, Analyze Boston vs ONS: common questions

Which is more reliable, City, Analyze Boston or ONS?

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

ONS needs no key, while City, Analyze Boston requires a free API key. If you want to start calling without signup, reach for ONS first.

Can I call City, Analyze Boston and ONS from the browser?

Only ONS 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 ONS free for commercial use?

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