Colorado Information Marketplace vs Federal Register
Same instrument, two spec sheets — measured, not claimed.
Colorado Information Marketplace vs Federal Register: common questions
Which is more reliable, Colorado Information Marketplace or Federal Register?
Both are neck-and-neck — Colorado Information Marketplace and Federal Register each measure 98.0% uptime over 90 days on our probe schedule. Reliability here is verified from our own scheduled checks; use the 30-day bars above to see which has been steadier lately.
Which is faster, Colorado Information Marketplace or Federal Register?
Federal Register has the lower median latency in our checks — Colorado Information Marketplace responds in 1241 ms versus Federal Register at 478 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 Federal Register need an API key?
Neither needs a paid key — Colorado Information Marketplace is callable with no signup, and Federal Register is callable with no signup. Both are quick to prototype with; rate limits still apply.
Can I call Colorado Information Marketplace and Federal Register from the browser?
Yes — both Colorado Information Marketplace and Federal Register 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 Federal Register free for commercial use?
Colorado Information Marketplace has unclear commercial terms, and Federal Register allows commercial use on its free tier. 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.