WoRMS
FreeLiveLast verified 24 Sept 2026
Authoritative taxonomic register of marine species names, synonyms, and classification data.
Example request
curl -s 'https://www.marinespecies.org/rest/AphiaRecordsByName/Solea%20solea?marine_only=true'
Free tier, in plain English
Free REST webservices with no key required; bulk redistribution of the whole database needs a written agreement instead.
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