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City, Analyze Boston vs OpenRegistry

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

APICity, Analyze BostonHEALTHY90OpenRegistryHEALTHY94
Uptime · 30d
Uptime · 90d100%98.0%
Uptime · 30d100%96.7%
P50 · ms663363
P95 · ms14101313
AuthapiKeyapiKey
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — API key requiredFree tier — API key required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

City, Analyze Boston vs OpenRegistry: common questions

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

On our scheduled checks, City, Analyze Boston leads on measured uptime — City, Analyze Boston at 100% versus OpenRegistry at 98.0% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.

Which is faster, City, Analyze Boston or OpenRegistry?

OpenRegistry has the lower median latency in our checks — City, Analyze Boston responds in 663 ms versus OpenRegistry at 363 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 OpenRegistry need an API key?

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

Only OpenRegistry 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 OpenRegistry free for commercial use?

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