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BMI Calculator API vs Covid-19 Datenhub

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

APIBMI Calculator APINEW—Covid-19 DatenhubNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
Authnonenone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

BMI Calculator API vs Covid-19 Datenhub: common questions

Which is more reliable, BMI Calculator API or Covid-19 Datenhub?

On our scheduled checks, Covid-19 Datenhub leads on measured uptime — BMI Calculator API at —% versus Covid-19 Datenhub 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 BMI Calculator API and Covid-19 Datenhub need an API key?

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

Can I call BMI Calculator API and Covid-19 Datenhub from the browser?

Yes — both BMI Calculator API and Covid-19 Datenhub 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 BMI Calculator API and Covid-19 Datenhub free for commercial use?

BMI Calculator API has unclear commercial terms, and Covid-19 Datenhub 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.