Colorado Information Marketplace vs EPA
Same instrument, two spec sheets — measured, not claimed.
Colorado Information Marketplace vs EPA: common questions
Which is more reliable, Colorado Information Marketplace or EPA?
On our scheduled checks, Colorado Information Marketplace leads on measured uptime — Colorado Information Marketplace 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, Colorado Information Marketplace or EPA?
Colorado Information Marketplace has the lower median latency in our checks — Colorado Information Marketplace responds in 1241 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 Colorado Information Marketplace and EPA need an API key?
Neither needs a paid key — Colorado Information Marketplace 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 Colorado Information Marketplace and EPA from the browser?
Yes — both Colorado Information Marketplace 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 Colorado Information Marketplace and EPA free for commercial use?
Colorado Information Marketplace 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.