United States National Library of Medicine Taxonomy API

openapi: 3.0.3
info:
  title: NCBI URL BLAST Taxonomy API
  description: 'The NCBI BLAST URL API allows developers to submit BLAST (Basic Local Alignment Search Tool) sequence searches for processing at NCBI using HTTPS. The API operates in three phases: (1) PUT request to submit a search and receive a request ID (RID), (2) polling GET requests to check search status, (3) GET request to retrieve results in the desired format. Supports nucleotide (blastn, blastx) and protein (blastp, tblastn, tblastx) searches.'
  version: 1.0.0
  contact:
    name: NCBI BLAST
    url: https://blast.ncbi.nlm.nih.gov/doc/blast-help/developerinfo.html
  license:
    name: Public Domain
    url: https://www.usa.gov/government-works
servers:
- url: https://blast.ncbi.nlm.nih.gov/blast
  description: NCBI BLAST Server
tags:
- name: Taxonomy
  description: NCBI taxonomy information
paths:
  /taxonomy/taxon/{taxons}:
    get:
      operationId: getTaxonomy
      summary: Get Taxonomy Information
      description: Retrieve NCBI taxonomy information for one or more taxa by name or taxonomy ID, including scientific name, common name, lineage, and rank.
      tags:
      - Taxonomy
      parameters:
      - name: taxons
        in: path
        description: Comma-separated taxon names or taxonomy IDs
        required: true
        schema:
          type: string
        example: '9606'
      - name: api_key
        in: query
        required: false
        schema:
          type: string
      responses:
        '200':
          description: Taxonomy information
          content:
            application/json:
              schema:
                type: object