openapi: 3.1.0
info:
  title: Microsoft Endpoint Configuration Management Configuration Manager REST API (AdminService) Applications Task Sequences API
  description: REST API for managing Configuration Manager resources including collections, deployments, applications, and device queries. The administration service is based on the OData v4 protocol and supports both WMI and versioned OData routes. Class names are case-sensitive.
  version: 1.0.0
  contact:
    name: Microsoft Configuration Manager Support
    url: https://learn.microsoft.com/en-us/intune/configmgr/develop/adminservice/overview
  license:
    name: Microsoft API License
    url: https://learn.microsoft.com/en-us/legal/microsoft-apis/terms-of-use
servers:
- url: https://{siteserver}/AdminService
  description: Configuration Manager AdminService endpoint
  variables:
    siteserver:
      default: smsproviderfqdn
      description: Fully qualified domain name of the SMS Provider server hosting the administration service.
security:
- windowsAuth: []
- oauth2: []
tags:
- name: Task Sequences
  description: Manage OS deployment task sequences.
paths:
  /wmi/SMS_TaskSequence:
    get:
      operationId: listTaskSequences
      summary: Microsoft Endpoint Configuration Management List task sequences
      description: Retrieve all task sequences used for operating system deployment and other complex workflows.
      tags:
      - Task Sequences
      parameters:
      - $ref: '#/components/parameters/top'
      - $ref: '#/components/parameters/filter'
      - $ref: '#/components/parameters/select'
      responses:
        '200':
          description: Successful response returning task sequences.
          content:
            application/json:
              schema:
                type: object
                properties:
                  value:
                    type: array
                    items:
                      $ref: '#/components/schemas/SMS_TaskSequence'
components:
  parameters:
    select:
      name: $select
      in: query
      description: Comma-separated list of properties to include.
      schema:
        type: string
    filter:
      name: $filter
      in: query
      description: OData filter expression.
      schema:
        type: string
    top:
      name: $top
      in: query
      description: Number of items to return.
      schema:
        type: integer
  schemas:
    SMS_TaskSequence:
      type: object
      description: Represents a task sequence used for OS deployment and complex automation workflows.
      properties:
        PackageID:
          type: string
          description: Task sequence package ID.
        Name:
          type: string
          description: Task sequence name.
        Description:
          type: string
          description: Task sequence description.
        BootImageID:
          type: string
          description: Associated boot image ID.
        Duration:
          type: integer
          description: Estimated duration in minutes.
        Type:
          type: integer
          description: Task sequence type.
  securitySchemes:
    windowsAuth:
      type: http
      scheme: negotiate
      description: Windows Integrated Authentication (Kerberos/NTLM).
    oauth2:
      type: oauth2
      description: OAuth 2.0 via Azure AD for cloud management gateway access.
      flows:
        authorizationCode:
          authorizationUrl: https://login.microsoftonline.com/common/oauth2/v2.0/authorize
          tokenUrl: https://login.microsoftonline.com/common/oauth2/v2.0/token
          scopes: {}