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Covid Tracking Project vs Open Food Facts

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

APICovid Tracking ProjectNEW—Open Food FactsNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
Authnonenone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useyesunclear
Data licenseCC BY 4.0Unverified
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 Food Facts: common questions

Which is more reliable, Covid Tracking Project or Open Food Facts?

On our scheduled checks, Open Food Facts leads on measured uptime — Covid Tracking Project at —% versus Open Food Facts 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 Open Food Facts need an API key?

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

Can I call Covid Tracking Project and Open Food Facts from the browser?

Yes — both Covid Tracking Project and Open Food Facts 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 Open Food Facts free for commercial use?

Covid Tracking Project allows commercial use on its free tier, and Open Food Facts 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.