generated: '2026-07-17'
method: searched
source: https://learn.microsoft.com/xandr/digital-platform-api/authentication-service
docs: https://learn.microsoft.com/xandr/digital-platform-api/authentication-service
summary:
  types: [token]
  scheme: custom-token
  oauth2: false
  api_key_in: [header, cookie]
schemes:
  - name: token
    type: token
    mechanism: username-password-token-exchange
    obtain: "POST https://api.appnexus.com/auth with JSON body {auth:{username,password}}; returns response.token"
    carry:
      - "Authorization: <TOKEN> request header"
      - "session cookie (curl -b cookies -c cookies)"
    token_lifetime: "2 hours idle; 24-hour hard expiry regardless of activity"
    reauth_limit: "10 successful auths per 5-minute period"
    jwt_option: https://learn.microsoft.com/xandr/digital-platform-api/token-based-api-authentication
    error_signal: "error_id NOAUTH in response envelope signals re-authentication needed"