generated: '2026-07-22'
method: searched
source: openapi/marketaux-openapi.yml
docs: https://www.marketaux.com/documentation#authentication
notes: >-
  The documentation's Authentication section confirms the single auth
  mechanism: sign up free, find the API token on the account dashboard, and
  add it to any endpoint as the api_token GET parameter. No OAuth, no header
  schemes.
summary:
  types:
  - apiKey
  api_key_in:
  - query
schemes:
- name: apiToken
  type: apiKey
  in: query
  parameter: api_token
  description: Your API token, found on your account dashboard after signing up at https://www.marketaux.com/register.
    Passed as a GET parameter on every request.
  sources:
  - openapi/marketaux-openapi.yml