Colorado Information Marketplace vs District of Columbia Open Data

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

Uptime · 30d
Uptime · 90d98.0%100%
Uptime · 30d96.7%100%
P50 · ms1241852
P95 · ms32961984
Authnonenone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified (DC Open Data terms)
Free tierFree — limits not publishedFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Colorado Information Marketplace vs District of Columbia Open Data: common questions

Which is more reliable, Colorado Information Marketplace or District of Columbia Open Data?

On our scheduled checks, District of Columbia Open Data leads on measured uptime — Colorado Information Marketplace at 98.0% versus District of Columbia Open Data at 100% 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 District of Columbia Open Data?

District of Columbia Open Data has the lower median latency in our checks — Colorado Information Marketplace responds in 1241 ms versus District of Columbia Open Data at 852 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 District of Columbia Open Data need an API key?

Neither needs a paid key — Colorado Information Marketplace is callable with no signup, and District of Columbia Open Data is callable with no signup. Both are quick to prototype with; rate limits still apply.

Can I call Colorado Information Marketplace and District of Columbia Open Data from the browser?

Yes — both Colorado Information Marketplace and District of Columbia Open Data 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 District of Columbia Open Data free for commercial use?

Colorado Information Marketplace has unclear commercial terms, and District of Columbia Open Data 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.