Microsoft · Authentication Profile

Microsoft Authentication

Authentication

Microsoft secures its APIs with apiKey, http, and oauth2 across 7 declared security schemes, as derived from its OpenAPI definitions. OAuth 2.0 is offered via the authorizationCode and clientCredentials flow(s).

Fortune 100
Methods: apiKey, http, oauth2 Schemes: 7 OAuth flows: authorizationCode, clientCredentials API key in: header

Security Schemes

apiKey apiKey
· in: header (Ocp-Apim-Subscription-Key)
accessKey apiKey
· in: header (Authorization)
basicAuth http
scheme: basic
oauth2 oauth2
· flows: authorizationCode
apiKey apiKey
· in: header (api-key)
oauth2 oauth2
· flows: clientCredentials
oauth2 oauth2
· flows: authorizationCode, clientCredentials

Source

Authentication Profile

Raw ↑ 
generated: '2026-07-11'
method: derived
source: openapi/microsoft-azure-cognitive-services-openapi.yml, openapi/microsoft-azure-communication-services-openapi.yml,
  openapi/microsoft-azure-devops-openapi.yml, openapi/microsoft-azure-openai-openapi.yml, openapi/microsoft-azure-rest-openapi.yml,
  openapi/microsoft-bing-search-openapi.yml, openapi/microsoft-dynamics-365-openapi.yml, openapi/microsoft-entra-id-openapi.yml,
  openapi/microsoft-graph-openapi.yml, openapi/microsoft-intune-openapi.yml, openapi/microsoft-onedrive-openapi.yml,
  openapi/microsoft-outlook-openapi.yml ...
summary:
  types:
  - apiKey
  - http
  - oauth2
  api_key_in:
  - header
  oauth2_flows:
  - authorizationCode
  - clientCredentials
schemes:
- name: apiKey
  type: apiKey
  in: header
  parameter: Ocp-Apim-Subscription-Key
  description: Azure Cognitive Services subscription key
  sources:
  - openapi/microsoft-azure-cognitive-services-openapi.yml
  - openapi/microsoft-bing-search-openapi.yml
- name: accessKey
  type: apiKey
  in: header
  parameter: Authorization
  description: HMAC-SHA256 signature authentication
  sources:
  - openapi/microsoft-azure-communication-services-openapi.yml
- name: basicAuth
  type: http
  scheme: basic
  description: Personal Access Token (PAT) as password with empty username
  sources:
  - openapi/microsoft-azure-devops-openapi.yml
- name: oauth2
  type: oauth2
  flows:
  - flow: authorizationCode
    authorizationUrl: https://app.vssps.visualstudio.com/oauth2/authorize
    tokenUrl: https://app.vssps.visualstudio.com/oauth2/token
    scopes: 4
  description: Microsoft Entra ID OAuth 2.0
  sources:
  - openapi/microsoft-azure-devops-openapi.yml
  - openapi/microsoft-dynamics-365-openapi.yml
  - openapi/microsoft-onedrive-openapi.yml
  - openapi/microsoft-outlook-openapi.yml
  - openapi/microsoft-power-bi-openapi.yml
  - openapi/microsoft-power-platform-openapi.yml
  - openapi/microsoft-sharepoint-openapi.yml
  - openapi/microsoft-teams-openapi.yml
- name: apiKey
  type: apiKey
  in: header
  parameter: api-key
  description: Azure OpenAI API key
  sources:
  - openapi/microsoft-azure-openai-openapi.yml
- name: oauth2
  type: oauth2
  flows:
  - flow: clientCredentials
    tokenUrl: https://login.microsoftonline.com/{tenantId}/oauth2/v2.0/token
    scopes: 1
  description: Microsoft Entra ID OAuth 2.0
  sources:
  - openapi/microsoft-azure-openai-openapi.yml
  - openapi/microsoft-azure-rest-openapi.yml
  - openapi/microsoft-entra-id-openapi.yml
  - openapi/microsoft-intune-openapi.yml
- name: oauth2
  type: oauth2
  flows:
  - flow: authorizationCode
    authorizationUrl: https://login.microsoftonline.com/common/oauth2/v2.0/authorize
    tokenUrl: https://login.microsoftonline.com/common/oauth2/v2.0/token
    scopes: 20
  - flow: clientCredentials
    tokenUrl: https://login.microsoftonline.com/{tenant}/oauth2/v2.0/token
    scopes: 1
  description: Microsoft identity platform OAuth 2.0 authorization
  sources:
  - openapi/microsoft-graph-openapi.yml