generated: '2026-07-18'
method: searched
source: >-
  DiDi Enterprise Services (DDES) Open API access guide
  https://opendocs.xiaojukeji.com/version2024 (接入前必读 /version2024/10957) and the
  official Java SDK config reference
  https://github.com/didi/ddes-openapi-sdk-java (com.xiaoju.open.sdk.didies.core.Config).
  Derived from published SDK defaults and the docs onboarding flow; no OpenAPI
  securitySchemes are published for this API.
docs: https://opendocs.xiaojukeji.com/version2024
summary:
  types:
  - oauth2
  oauth2_flows:
  - clientCredentials
  request_signing: true
  notes: >-
    App-level (machine-to-machine) authentication. There is no per-user OAuth
    scope surface; access is governed by the enterprise application plus an IP
    allow-list, so no scopes/ artifact is emitted.
schemes:
  - name: DDESClientCredentials
    type: oauth2
    flow: clientCredentials
    grant_type: client_credentials
    base_url: https://api.es.xiaojukeji.com
    credentials:
      client_id: required (clientId — client identity)
      client_secret: required (clientSecret — client secret)
      sign_key: required (signKey — request signing key, separate from client_secret)
    token:
      grant_type: client_credentials
      auto_managed: true
      retry_on_unauthorized: default 2 retries, 1000ms interval
    signing:
      required: true
      methods: [MD5, SHA256]
      default: MD5
    payload_encryption:
      supported: true
      type: AES128/AES256 (optional whole-payload AES, default off)
    ip_allow_list: required (IP whitelist configured per application)
    sources:
      - https://github.com/didi/ddes-openapi-sdk-java
      - https://opendocs.xiaojukeji.com/version2024