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marinespecies.org/

WoRMS (World Register of Marine Species) REST API

Freeauth: noneCustom#research#taxonomy#marine-biology#biodiversity#api#open-access✓ verified Nov 12, 2026

WoRMS (World Register of Marine Species) REST API

WoRMS, the World Register of Marine Species (hosted by VLIZ), offers a keyless REST web service for marine taxon names: AphiaIDs, accepted names, synonyms, classification, distributions and sources, in JSON.

Required Attribution:

Required: cite WoRMS as requested on its webpages.

Coverage

Marine species names and taxonomy worldwide. Update frequency and history start: Not stated.

Verdict

Keyless JSON REST API from WoRMS. Licensed Custom: the terms say "The text on the WoRMS pages is open-access under the terms of the Creative Commons Attribution License (CC-BY). This License permits unrestricted use, provided it is cited as requested on the WoRMS webpages, unless stated otherwise on the individual pages." Warning: "Re-distribution of the entire database is not permitted, unless by prior written agreement." and "Images are by default open-access under the terms of the CC BY-NC-SA license, unless stated otherwise." Rate limits: Not stated. Signal Lab links only.

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