District of Columbia Open Data vs EPA
Same instrument, two spec sheets — measured, not claimed.
District of Columbia Open Data vs EPA: common questions
Which is more reliable, District of Columbia Open Data or EPA?
On our scheduled checks, District of Columbia Open Data leads on measured uptime — District of Columbia Open Data at 100% 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, District of Columbia Open Data or EPA?
District of Columbia Open Data has the lower median latency in our checks — District of Columbia Open Data responds in 852 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 District of Columbia Open Data and EPA need an API key?
Neither needs a paid key — District of Columbia 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 District of Columbia Open Data and EPA from the browser?
Yes — both District of Columbia 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 District of Columbia Open Data and EPA free for commercial use?
District of Columbia 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.