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BMI Calculator API vs Open Data NHS Scotland

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

APIBMI Calculator APINEW—Open Data NHS ScotlandNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
Authnonenone
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearyes
Data licenseUnverifiedOpen Government Licence (per dataset)
Free tierFree — limits not publishedFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

BMI Calculator API vs Open Data NHS Scotland: common questions

Which is more reliable, BMI Calculator API or Open Data NHS Scotland?

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

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

Can I call BMI Calculator API and Open Data NHS Scotland from the browser?

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

Are BMI Calculator API and Open Data NHS Scotland free for commercial use?

BMI Calculator API has unclear commercial terms, and Open Data NHS Scotland allows commercial use on its free tier. 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.