Available API

Species & Taxonomy

Complete current ITIS taxonomy with names, hierarchy, synonyms, vernaculars, geography and quality metadata, plus explicitly U.S.-only FWS ESA listings and FWS ECOS species range-profile attributes.

Test with your key View pricing

Status: 3/3 sources healthy
Contract: 1.0.0
Data version: itis-fws-range-2026.09.01.2
Current records: 1,000,552
Normal pull: monthly
Full reconciliation: monthly

Coverage

What this API contains

Expert-reviewed taxonomic names, synonyms, acceptance state, hierarchy, vernaculars, and sourced geography.

Endpoints

Built for direct use

/apis/species · 1 credit/apis/species/{id} · 1 credit/apis/species/search · 1 credit/apis/species/{id}/taxonomy · 1 credit/apis/taxonomy/{id} · 1 credit

Standard list, search, detail, relationship, and conversion calls cost one credit. Bulk exports cost 100 credits.

Bounded preview

See the shape of the data

These are up to five fixed records from the current release. The preview has no paging, search, or export controls. A developer account and API key are required to query the full dataset.

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Source record

Where the data comes from

Healthy

FWS ECOS Species Range AOIs

U.S. species range profile and ESA attributes

Publisher: maps.ecosphere.fws.gov
Last successful pull: Sep 1, 2026 · 4:44 PM UTC
License / terms: U.S. government public data
Reuse review: Commercial: True · Redistribution: True

Healthy

ITIS Full SQLite Database Export

complete monthly ITIS taxonomy export

Publisher: www.itis.gov
Last successful pull: Aug 31, 2026 · 4:03 PM UTC
License / terms: CC0 public domain; citation requested; linked third-party materials remain separately governed
Reuse review: Commercial: True · Redistribution: True

Healthy

U.S. Fish and Wildlife Service ECOS Listed Species Export

United States Endangered Species Act listing enrichment

Publisher: ecos.fws.gov
Last successful pull: Aug 31, 2026 · 4:05 PM UTC
License / terms: U.S. Fish and Wildlife Service public data; source terms apply
Reuse review: Commercial: True · Redistribution: True