Companies House · Authentication Profile

Companies House Authentication

Authentication

Companies House secures its APIs with apiKey across 1 declared security scheme, as derived from its OpenAPI definitions.

CompaniesUK GovernmentBusiness RegistrationCompany SearchOfficersFiling HistoryInsolvencyChargesPersons of Significant ControlOpen Data
Methods: apiKey Schemes: 1 OAuth flows: API key in: header

Security Schemes

api_key apiKey
· in: header (api_key)

Source

Authentication Profile

Raw ↑ 
generated: '2026-07-11'
method: derived
source: openapi/companies-house-public-data-openapi.yml
summary:
  types:
  - apiKey
  api_key_in:
  - header
schemes:
- name: api_key
  type: apiKey
  in: header
  parameter: api_key
  sources:
  - openapi/companies-house-public-data-openapi.yml