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City, Analyze Boston vs FastDOL

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

APICity, Analyze BostonNEW—FastDOLNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthapiKeyapiKey
CORSnono
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 FastDOL: common questions

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

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

Both ask you to authenticate — City, Analyze Boston uses an API key and FastDOL 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 FastDOL from the browser?

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

Are City, Analyze Boston and FastDOL free for commercial use?

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