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Covid-19 Datenhub vs Covid Tracking Project

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

APICovid-19 DatenhubHEALTHY88Covid Tracking ProjectHEALTHY98
Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms789237
P95 · ms4489612
Authnonenone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearyes
Data licenseUnverifiedCC BY 4.0
Free tierFree — limits not publishedFree — no key required (archived dataset)
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Covid-19 Datenhub vs Covid Tracking Project: common questions

Which is more reliable, Covid-19 Datenhub or Covid Tracking Project?

Both are neck-and-neck — Covid-19 Datenhub and Covid Tracking Project 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-19 Datenhub or Covid Tracking Project?

Covid Tracking Project has the lower median latency in our checks — Covid-19 Datenhub responds in 789 ms versus Covid Tracking Project at 237 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-19 Datenhub and Covid Tracking Project need an API key?

Neither needs a paid key — Covid-19 Datenhub is callable with no signup, and Covid Tracking Project is callable with no signup. Both are quick to prototype with; rate limits still apply.

Can I call Covid-19 Datenhub and Covid Tracking Project from the browser?

Yes — both Covid-19 Datenhub and Covid Tracking Project 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 Covid-19 Datenhub and Covid Tracking Project free for commercial use?

Covid-19 Datenhub has unclear commercial terms, and Covid Tracking Project 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.