BMI Calculator API vs Coffee

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 — no API key
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

BMI Calculator API vs Coffee: common questions

Which is more reliable, BMI Calculator API or Coffee?

On our scheduled checks, Coffee leads on measured uptime — BMI Calculator API at —% versus Coffee 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 Coffee need an API key?

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

Can I call BMI Calculator API and Coffee from the browser?

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

Are BMI Calculator API and Coffee free for commercial use?

BMI Calculator API has unclear commercial terms, and Coffee 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.