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Data Dragon API vs MedlinePlus Genetics

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

APIData Dragon APIHEALTHY99MedlinePlus GeneticsHEALTHY79
Uptime · 30d
Uptime · 90d100%99.02%
Uptime · 30d100%98.3%
P50 · ms1531877
P95 · ms14284942
Authnonenone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedU.S. National Library of Medicine (see NLM terms)
Free tierFree — limits not publishedFree — no key required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Data Dragon API vs MedlinePlus Genetics: common questions

Which is more reliable, Data Dragon API or MedlinePlus Genetics?

On our scheduled checks, Data Dragon API leads on measured uptime — Data Dragon API at 100% versus MedlinePlus Genetics at 99.02% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.

Which is faster, Data Dragon API or MedlinePlus Genetics?

Data Dragon API has the lower median latency in our checks — Data Dragon API responds in 153 ms versus MedlinePlus Genetics at 1877 ms (P50). Tail latency (P95) is in the table above; for most workloads the median is the number that shapes how the API feels.

Do Data Dragon API and MedlinePlus Genetics need an API key?

Neither needs a paid key — Data Dragon API is callable with no signup, and MedlinePlus Genetics is callable with no signup. Both are quick to prototype with; rate limits still apply.

Can I call Data Dragon API and MedlinePlus Genetics from the browser?

Yes — both Data Dragon API and MedlinePlus Genetics 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 Data Dragon API and MedlinePlus Genetics free for commercial use?

Data Dragon API has unclear commercial terms, and MedlinePlus Genetics 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.