generated: '2026-07-11'
method: derived
source: openapi/entrez-eutils.json
summary:
  types:
  - apiKey
  api_key_in:
  - query
schemes:
- name: ApiKeyAuth
  type: apiKey
  in: query
  parameter: api_key
  description: 'Optional NCBI API key. Without a key: 3 requests/second. With a key: 10 requests/second.
    Register at https://www.ncbi.nlm.nih.gov/account/'
  sources:
  - openapi/entrez-eutils.json