National Institutes of Health (NIH)

National Institutes of Health (NIH) Taxonomy API

#### Options to download taxonomy data. These taxonomy services allow you to get taxonomy data as a data report or download taxonomy data as a taxonomy data package, for taxonomic nodes in NCBI Taxonomy.

GitHub OpenAPI

Operations 20

GET /taxonomy/taxon/{tax_ids}/download Get a taxonomy data package by Taxonomy ID #
POST /taxonomy/download Get a taxonomy data package by Taxonomy ID #
GET /taxonomy/taxon/{taxons} Use taxonomic identifiers to get taxonomic metadata #
POST /taxonomy Get taxonomy metadata by taxon #
GET /taxonomy/taxon/{taxons}/dataset_report Get a taxonomy data report by taxon #
POST /taxonomy/dataset_report Get a taxonomy data report by taxon #
GET /taxonomy/taxon/{taxons}/name_report Get a taxonomy names report by taxon #
POST /taxonomy/name_report Get a taxonomy names report by taxon #
POST /taxonomy/related_ids Get child nodes, and optionally parent nodes, for a given taxon by Taxonomy ID #
GET /taxonomy/taxon/{taxons}/filtered_subtree Get a filtered taxonomic subtree by taxon #
POST /taxonomy/filtered_subtree Get a filtered taxonomic subtree by taxon #
GET /taxonomy/taxon_suggest/{taxon_query} Get a list of taxonomy names and IDs by partial taxonomic name #
POST /taxonomy/taxon_suggest Get a list of taxonomy names and IDs by partial taxonomic name #
POST /taxonomy/links Get external links by Taxonomy ID #
GET /taxonomy/taxon/{taxon}/image Get a taxonomy image by taxon #
POST /taxonomy/image Get a taxonomy image by taxon #
GET /taxonomy/taxon/{taxon}/image/metadata Get taxonomy image metadata by Taxonomy ID #
POST /taxonomy/image/metadata Get taxonomy image metadata by Taxonomy ID #

Documentation

📖
Documentation
https://www.ncbi.nlm.nih.gov/datasets/docs/v2/api/rest-api/
📖
Documentation
https://clinicaltrials.gov/data-api/api

Specifications

⚙
OpenAPI
https://raw.githubusercontent.com/api-evangelist/nih/refs/heads/main/openapi/nih-taxonomy-api-openapi.yml

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OpenAPI Specification

nih-taxonomy-api-openapi.yml Raw ↑ 
openapi: 3.2.0
info:
  title: NCBI Datasets Taxonomy API
  version: v2
  description: '### NCBI Datasets is a resource that lets you easily gather data from NCBI.

    The NCBI Datasets version 2 API is updated often to add new features, fix bugs, and enhance usability.'
servers:
- url: https://api.ncbi.nlm.nih.gov/datasets/v2
security:
- ApiKeyAuthHeader: []
tags:


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# Full source: https://raw.githubusercontent.com/api-evangelist/nih/refs/heads/main/openapi/nih-taxonomy-api-openapi.yml