openapi: 3.1.0
info:
  title: Microsoft Graph API - Office Applications Drive API
  description: A subset of Microsoft Graph v1.0 endpoints used to interact with Microsoft Office 365 services - Outlook mail, OneDrive files, and Microsoft Teams. Microsoft Graph is the unified REST API for Microsoft 365 services and uses OAuth 2.0 (Microsoft Entra ID) for authentication.
  version: '1.0'
servers:
- url: https://graph.microsoft.com/v1.0
  description: Microsoft Graph v1.0 production endpoint
security:
- oauth2: []
tags:
- name: Drive
paths:
  /me/drive:
    get:
      tags:
      - Drive
      summary: Get the signed-in user's OneDrive
      operationId: getMyDrive
      responses:
        '200':
          description: Drive
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Drive'
  /me/drive/root/children:
    get:
      tags:
      - Drive
      summary: List items in the root of the user's drive
      operationId: listMyDriveRootChildren
      responses:
        '200':
          description: Collection of driveItems
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/DriveItemCollection'
  /me/drive/items/{item_id}:
    get:
      tags:
      - Drive
      summary: Get a driveItem by id
      operationId: getMyDriveItem
      parameters:
      - name: item_id
        in: path
        required: true
        schema:
          type: string
      responses:
        '200':
          description: DriveItem
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/DriveItem'
  /me/drive/items/{item_id}/content:
    get:
      tags:
      - Drive
      summary: Download a driveItem's content
      operationId: downloadMyDriveItemContent
      parameters:
      - name: item_id
        in: path
        required: true
        schema:
          type: string
      responses:
        '302':
          description: Redirect to a pre-authenticated download URL
        '200':
          description: File content
          content:
            application/octet-stream:
              schema:
                type: string
                format: binary
    put:
      tags:
      - Drive
      summary: Upload content to an existing driveItem
      operationId: uploadMyDriveItemContent
      parameters:
      - name: item_id
        in: path
        required: true
        schema:
          type: string
      requestBody:
        required: true
        content:
          application/octet-stream:
            schema:
              type: string
              format: binary
      responses:
        '200':
          description: Updated driveItem
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/DriveItem'
components:
  schemas:
    Drive:
      type: object
      properties:
        id:
          type: string
        driveType:
          type: string
        owner:
          type: object
        quota:
          type: object
    DriveItemCollection:
      type: object
      properties:
        value:
          type: array
          items:
            $ref: '#/components/schemas/DriveItem'
    DriveItem:
      type: object
      properties:
        id:
          type: string
        name:
          type: string
        size:
          type: integer
        file:
          type: object
        folder:
          type: object
        createdDateTime:
          type: string
          format: date-time
        lastModifiedDateTime:
          type: string
          format: date-time
  securitySchemes:
    oauth2:
      type: oauth2
      description: Microsoft Entra ID (Azure AD) OAuth 2.0. Use the authorization code, client credentials, or device code flow depending on the scenario.
      flows:
        authorizationCode:
          authorizationUrl: https://login.microsoftonline.com/common/oauth2/v2.0/authorize
          tokenUrl: https://login.microsoftonline.com/common/oauth2/v2.0/token
          scopes:
            Mail.Read: Read user mail
            Mail.Send: Send mail as user
            Files.Read: Read user files
            Files.ReadWrite: Read and write user files
            Team.ReadBasic.All: Read basic team info
            ChannelMessage.Send: Send channel messages
            User.Read: Sign in and read user profile
x-generated-from: https://learn.microsoft.com/en-us/graph/overview
x-generated-by: claude-genwave10-08-2026-05-23