
Dog breed health scores, median lifespans and conditions.
Breed Health Score API is a free Animals API that requires no API key, is served over HTTPS and does not support CORS, so it should be called from a server.
Free JSON API for dog breed health data: median lifespan, conformation, hereditary conditions and the Breed Health Score for 155 breeds. Endpoints, OpenAPI spec and licence.
Details from breedhealthscore.com.

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The Breed Health Score API is provided by Breed Health Score (breedhealthscore.com). Free JSON API for dog breed health data: median lifespan, conformation, hereditary conditions and the Breed Health Score for 155 breeds. Endpoints, OpenAPI spec and licence.
Yes. The Breed Health Score API is listed in the Animals category of the public-apis directory, which only includes APIs that are free or have a free tier. Check its documentation for rate limits and paid plans.
No. The Breed Health Score API requires no authentication, so you can start making requests without signing up.
Not directly. The Breed Health Score API does not allow CORS, so call it from a server, serverless function or proxy instead of front-end JavaScript.
Yes. The Breed Health Score API is served over HTTPS, so it's safe to use in production.