The Companies API · Authentication Profile

Thecompaniesapi Authentication

Authentication

The Companies API secures its APIs with http across 1 declared security scheme, as derived from its OpenAPI definitions.

Company DataData EnrichmentFirmographicsWeb IntelligenceB2B DataReference DataCompany Search
Methods: http Schemes: 1 OAuth flows: API key in:

Security Schemes

apiKey apiKey
· in: header ()

Source

Authentication Profile

Raw ↑ 
generated: '2026-07-11'
method: derived
source: openapi/thecompaniesapi-openapi.yml
summary:
  types:
  - http
schemes:
- name: apiKey
  type: apiKey
  in: header
  headerName: Authorization
  description: 'API token passed in the Authorization header. Create and manage
    tokens on your API tokens page in the account settings. New accounts receive
    500 free credits (no credit card required) to start. Modeled note: the OpenAPI
    declares an apiKey scheme on the Authorization header; confirm whether a
    "Bearer " prefix is required against the live docs.'
  sources:
  - openapi/thecompaniesapi-openapi.yml
  - https://www.thecompaniesapi.com/api