City, New York Open Data vs EPA

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

Uptime · 30d
Uptime · 90d98.0%54.9%
Uptime · 30d96.7%66.7%
P50 · ms13993150
P95 · ms38544966
Authnonenone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

City, New York Open Data vs EPA: common questions

Which is more reliable, City, New York Open Data or EPA?

On our scheduled checks, City, New York Open Data leads on measured uptime — City, New York Open Data at 98.0% versus EPA at 54.9% 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, New York Open Data or EPA?

City, New York Open Data has the lower median latency in our checks — City, New York Open Data responds in 1399 ms versus EPA at 3150 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, New York Open Data and EPA need an API key?

Neither needs a paid key — City, New York Open Data is callable with no signup, and EPA is callable with no signup. Both are quick to prototype with; rate limits still apply.

Can I call City, New York Open Data and EPA from the browser?

Yes — both City, New York Open Data and EPA send CORS headers over HTTPS, so front-end code can fetch either directly with no backend proxy. That makes them easy to swap in a client-side app while you compare responses.

Are City, New York Open Data and EPA free for commercial use?

City, New York Open Data has unclear commercial terms, and EPA 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.