BMI Calculator API vs Football-Data.org

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

Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms
P95 · ms
Authnonenone
CORSyesno
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 Football-Data.org: common questions

Which is more reliable, BMI Calculator API or Football-Data.org?

On our scheduled checks, Football-Data.org leads on measured uptime — BMI Calculator API at —% versus Football-Data.org 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 Football-Data.org need an API key?

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

Can I call BMI Calculator API and Football-Data.org from the browser?

Only BMI Calculator API is browser-friendly — it returns CORS headers over HTTPS. Football-Data.org needs a server-side call or proxy, so factor that into which one fits a front-end project.

Are BMI Calculator API and Football-Data.org free for commercial use?

BMI Calculator API has unclear commercial terms, and Football-Data.org 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.