generated: '2026-09-13'
method: searched
source: openapi/cox-automotive-kbb-advertising-data-openapi.yml, openapi/cox-automotive-kbb-batch-vin-openapi.yml,
  openapi/cox-automotive-kbb-idws-editorial-openapi.yml, openapi/cox-automotive-kbb-idws-vehicle-openapi.yml,
  openapi/cox-automotive-kbb-instant-cash-offer-openapi.yml
docs:
- https://developer.manheim.com/pages/authentication.html
- https://developer.kbb.com/access
- https://developer.kbb.com/data/2-Authentication
- https://developer.kbb.com/batchvin/2-Authentication
note: >-
  Two distinct authentication models run side by side across Cox Automotive's public API estate. The
  Kelley Blue Book APIs (IDWS 4.0, Advertising Data, Instant Cash Offer, Batch VIN) authenticate with a
  Mashery-issued api_key on the query string, which is what the five harvested Swagger 2.0 contracts
  declare. The Manheim hypermedia suite authenticates with OAuth 2.0 against the Mashery token endpoint,
  using the Mashery package key as the OAuth client_id and its secret as the client secret. Batch VIN is
  the hybrid: it requires the api_key AND a bearer token minted by its own /Token endpoint. Credentials
  are never self-serve — Cox Automotive reviews the organisation and the application before issuing a
  package key.
summary:
  types:
  - apiKey
  - oauth2
  api_key_in:
  - header
  - query
  oauth2_flows:
  - clientCredentials
  - password
schemes:
- name: keyQuery
  type: apiKey
  in: query
  parameter: api_key
  description: Mashery API Key, supplied on the query string of every Kelley Blue Book API call.
  sources:
  - openapi/cox-automotive-kbb-advertising-data-openapi.yml
  - openapi/cox-automotive-kbb-batch-vin-openapi.yml
  - openapi/cox-automotive-kbb-idws-editorial-openapi.yml
  - openapi/cox-automotive-kbb-idws-vehicle-openapi.yml
  - openapi/cox-automotive-kbb-instant-cash-offer-openapi.yml
- name: Authorization
  type: apiKey
  in: header
  parameter: Authorization
  description: 'Authorization value: "Bearer {access_token}" where access_token is received
    by a successful post to api/token'
  sources:
  - openapi/cox-automotive-kbb-batch-vin-openapi.yml
- name: ManheimOAuth2
  type: oauth2
  description: >-
    OAuth 2.0 through the Cox Automotive Mashery gateway. The Mashery package key is the OAuth client_id
    and the key's secret is the client secret; both are base64-encoded into a Basic authorization header
    on the token request. Tokens must be cached by the client and refreshed on expiry, not on a timer.
  flows:
  - flow: clientCredentials
    tokenUrl: https://api.manheim.com/oauth2/token.oauth2
    environment: production
  - flow: clientCredentials
    tokenUrl: https://uat.api.manheim.com/oauth2/token.oauth2
    environment: pre-production
  - flow: clientCredentials
    tokenUrl: https://api.manheim.com/oauth2/token
    environment: production-legacy
    note: >-
      Clients that authenticate with a Company ID, and all Subscriptions API clients using the
      client_credentials grant, must continue to use this legacy token endpoint.
  - flow: password
    note: Resource Owner Password Credentials grant, offered for client-facing applications with an end user.
  sources:
  - https://developer.manheim.com/pages/authentication.html
credential_issuance:
  self_serve: false
  process: >-
    Cox Automotive reviews and evaluates the organisation and the application, then registers the client
    in Mashery and issues a package key and secret. A separate key request is required per environment
    (sandbox vs production) and per application.
  request_urls:
  - https://developer.coxautoinc.com/signup
  - https://developer.manheim.com/support/accessRequest.html
  - https://developer.kbb.com/access
  - https://b2b.kbb.com/contact/
  contacts:
  - DataSyndication@coxautoinc.com
  - kbb.infodriversupport@coxautoinc.com