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Covid Tracking Project vs Open Data NHS Scotland

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

APICovid Tracking ProjectHEALTHY98Open Data NHS ScotlandHEALTHY81
Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms2371327
P95 · ms6122920
Authnonenone
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useyesyes
Data licenseCC BY 4.0Open Government Licence (per dataset)
Free tierFree — no key required (archived dataset)Free — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Covid Tracking Project vs Open Data NHS Scotland: common questions

Which is more reliable, Covid Tracking Project or Open Data NHS Scotland?

Both are neck-and-neck — Covid Tracking Project and Open Data NHS Scotland 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, Covid Tracking Project or Open Data NHS Scotland?

Covid Tracking Project has the lower median latency in our checks — Covid Tracking Project responds in 237 ms versus Open Data NHS Scotland at 1327 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 Covid Tracking Project and Open Data NHS Scotland need an API key?

Neither needs a paid key — Covid Tracking Project is callable with no signup, and Open Data NHS Scotland is callable with no signup. Both are quick to prototype with; rate limits still apply.

Can I call Covid Tracking Project and Open Data NHS Scotland from the browser?

Only Covid Tracking Project is browser-friendly — it returns CORS headers over HTTPS. Open Data NHS Scotland needs a server-side call or proxy, so factor that into which one fits a front-end project.

Are Covid Tracking Project and Open Data NHS Scotland free for commercial use?

Covid Tracking Project allows commercial use on its free tier, and Open Data NHS Scotland 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.