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Covid Tracking Project vs Strava

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

APICovid Tracking ProjectNEW—StravaNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthnoneapiKey
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useyesunclear
Data licenseCC BY 4.0Unverified
Free tierFree — no key required (archived dataset)Free tier — API key required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Covid Tracking Project vs Strava: common questions

Which is more reliable, Covid Tracking Project or Strava?

On our scheduled checks, Strava leads on measured uptime — Covid Tracking Project at —% versus Strava at —% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.

Do Covid Tracking Project and Strava need an API key?

Covid Tracking Project needs no key, while Strava requires a free API key. If you want to start calling without signup, reach for Covid Tracking Project first.

Can I call Covid Tracking Project and Strava from the browser?

Yes — both Covid Tracking Project and Strava 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 Tracking Project and Strava free for commercial use?

Covid Tracking Project allows commercial use on its free tier, and Strava 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.