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MedlinePlus Genetics vs RacingHub

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

APIMedlinePlus GeneticsHEALTHY79RacingHubHEALTHY92
Uptime · 30d
Uptime · 90d99.02%99.02%
Uptime · 30d98.3%98.3%
P50 · ms1877473
P95 · ms49423557
Authnonenone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseU.S. National Library of Medicine (see NLM terms)CC BY 4.0 (source data from the F1DB project)
Free tierFree — no key requiredFree — no key required
Rate limitUnpublished100 req/window · 99 remaining · resets 60
In directory since2026-07-052026-07-05
operationalpartialdownno data

MedlinePlus Genetics vs RacingHub: common questions

Which is more reliable, MedlinePlus Genetics or RacingHub?

Both are neck-and-neck — MedlinePlus Genetics and RacingHub each measure 99.02% uptime over 90 days on our probe schedule. Reliability here is verified from our own scheduled checks; use the 30-day bars above to see which has been steadier lately.

Which is faster, MedlinePlus Genetics or RacingHub?

RacingHub has the lower median latency in our checks — MedlinePlus Genetics responds in 1877 ms versus RacingHub at 473 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 MedlinePlus Genetics and RacingHub need an API key?

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

Can I call MedlinePlus Genetics and RacingHub from the browser?

Yes — both MedlinePlus Genetics and RacingHub 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 RacingHub free for commercial use?

MedlinePlus Genetics has unclear commercial terms, and RacingHub 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.