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District of Columbia Open Data vs LocalGov.jp

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

APIDistrict of Columbia Open DataHEALTHY89LocalGov.jpHEALTHY81
Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms8521274
P95 · ms19841718
Authnonenone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearyes
Data licenseUnverified (DC Open Data terms)CC BY 4.0 (attribution: "via LocalGov.jp")
Free tierFree — limits not publishedFree — all endpoints currently free (per llms.txt)
Rate limitUnpublished30 req/window · 29 remaining
In directory since2026-07-052026-07-05
operationalpartialdownno data

District of Columbia Open Data vs LocalGov.jp: common questions

Which is more reliable, District of Columbia Open Data or LocalGov.jp?

Both are neck-and-neck — District of Columbia Open Data and LocalGov.jp each measure 100% 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, District of Columbia Open Data or LocalGov.jp?

District of Columbia Open Data has the lower median latency in our checks — District of Columbia Open Data responds in 852 ms versus LocalGov.jp at 1274 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 LocalGov.jp need an API key?

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

Can I call District of Columbia Open Data and LocalGov.jp from the browser?

Yes — both District of Columbia Open Data and LocalGov.jp 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 LocalGov.jp free for commercial use?

District of Columbia Open Data has unclear commercial terms, and LocalGov.jp 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.