MedlinePlus Genetics vs Open Food Facts

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

Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms
P95 · ms
Authnonenone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseU.S. National Library of Medicine (see NLM terms)Unverified
Free tierFree — no key requiredFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

MedlinePlus Genetics vs Open Food Facts: common questions

Which is more reliable, MedlinePlus Genetics or Open Food Facts?

On our scheduled checks, Open Food Facts leads on measured uptime — MedlinePlus Genetics 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 MedlinePlus Genetics and Open Food Facts need an API key?

Neither needs a paid key — MedlinePlus Genetics 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 MedlinePlus Genetics and Open Food Facts from the browser?

Yes — both MedlinePlus Genetics 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 MedlinePlus Genetics and Open Food Facts free for commercial use?

MedlinePlus Genetics has unclear commercial terms, 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.