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MedlinePlus Genetics

Genetic conditions, genes, chromosomes and mtDNA data

Open documentation ↗
No keyHTTPSCORSHealth

Verified 4 days ago: 100% uptime

API key

Not required

HTTPS

Supported

Browser calls

Yes, CORS enabled

Status

Live · 100/100

What our checks found

Health score
100/100
Reliability
100%
Average latency
819ms

Last checked 2026-09-18. Measured independently, not self-reported by the provider.

How to call it

A starting template for MedlinePlus Genetics. Replace ENDPOINT with the path from the official documentation, which we link above rather than guess at.

# No authentication required.
curl -s "https://medlineplus.gov/ENDPOINT" \
  -H "Accept: application/json"

Where this listing comes from

Aggregated from one public source (public-apis), then normalised and checked by us. If something here is wrong, tell us and we will correct it.

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MedlinePlus Genetics — common questions

Answered from what our own scheduled checks found, not from the provider's marketing.

Is MedlinePlus Genetics free to use?

MedlinePlus Genetics is listed in our free catalogue and required no credential when we called it. It needs no authentication at all, so you can send a request without signing up. Free tiers can still carry rate limits or non-commercial terms, so check the provider's own terms before shipping.

Does MedlinePlus Genetics need an API key?

No. We called MedlinePlus Genetics on 2026-09-18 with no key, no token and no Authorization header, and it responded. That is what puts it in our no-key collection.

Can I call MedlinePlus Genetics from browser JavaScript?

Yes. MedlinePlus Genetics returned CORS headers when we checked it, so a browser will let your page read the response. You can fetch it directly from client-side JavaScript with no proxy and no backend.

Is MedlinePlus Genetics still working?

Yes, as of 2026-09-18. Our automated check reached MedlinePlus Genetics and recorded a 100% reliability score with a median response time of 819 ms. We re-check on a schedule, and this page updates with the result.

Is MedlinePlus Genetics available over HTTPS?

Yes. MedlinePlus Genetics serves over HTTPS, so you can call it from a secure page without triggering a mixed-content block.