About the IUCN Red List of Threatened Species

For more information about the IUCN Red List of Threatened Species, please visit the IUCN Red List website.

The API outputs the same data which is from the IUCN Red List website.

The use of the API falls under the same Terms of Use of the Red List data.

How to cite the IUCN Red List API

Full acknowledgement and citation needs to be given for using the API, which is: 

    IUCN 2024. IUCN Red List of Threatened Species. Version 2024-2 <www.iucnredlist.org>

Contact

If you encounter any problems using the API, or would like to provide feedback of any kind, please contact the Red List team at redlist at iucn.org.