Animals
No authHTTPSCORS
Animals
IUCN
IUCN Red List of Threatened Species.
IUCN API is a free Animals API that requires apiKey authentication, is served over HTTPS and does not support CORS, so it should be called from a server.
- Authentication
- apiKey
- HTTPS
- Yes
- CORS
- No
- Category
- Animals
Visit documentation ↗www.iucnredlist.org
Unified API suite · now live
Geocode an address, validate an email, track a flight or pull stock data with one account, one dashboard and one API key.
Get your free API key→Free tier on every API
IUCN API alternatives
IUCN API FAQ
Is the IUCN API free?
Yes. The IUCN 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.
Does the IUCN API require an API key?
Yes. The IUCN API uses apiKey authentication, so you need to register for credentials before making requests.
Can I call the IUCN API from the browser?
Not directly. The IUCN API does not allow CORS, so call it from a server, serverless function or proxy instead of front-end JavaScript.
Does the IUCN API support HTTPS?
Yes. The IUCN API is served over HTTPS, so it's safe to use in production.