openapi: 3.1.0
info:
  title: Microsoft Graph API - Office Pack Drive Mail 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: Mail
paths:
  /me/messages:
    get:
      tags:
      - Mail
      summary: List the signed-in user's messages
      operationId: listMyMessages
      parameters:
      - name: $select
        in: query
        schema:
          type: string
      - name: $top
        in: query
        schema:
          type: integer
      - name: $filter
        in: query
        schema:
          type: string
      - name: $orderby
        in: query
        schema:
          type: string
      responses:
        '200':
          description: A collection of messages
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/MessageCollection'
  /me/messages/{id}:
    get:
      tags:
      - Mail
      summary: Get a message by id
      operationId: getMyMessage
      parameters:
      - name: id
        in: path
        required: true
        schema:
          type: string
      responses:
        '200':
          description: Message
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Message'
  /me/sendMail:
    post:
      tags:
      - Mail
      summary: Send a mail message as the signed-in user
      operationId: sendMyMail
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/SendMailRequest'
      responses:
        '202':
          description: Accepted
  /me/mailFolders:
    get:
      tags:
      - Mail
      summary: List mail folders
      operationId: listMyMailFolders
      responses:
        '200':
          description: Collection of mail folders
          content:
            application/json:
              schema:
                type: object
components:
  schemas:
    Message:
      type: object
      properties:
        id:
          type: string
        subject:
          type: string
        bodyPreview:
          type: string
        from:
          type: object
          properties:
            emailAddress:
              type: object
              properties:
                name:
                  type: string
                address:
                  type: string
        toRecipients:
          type: array
          items:
            type: object
        receivedDateTime:
          type: string
          format: date-time
    MessageCollection:
      type: object
      properties:
        '@odata.context':
          type: string
        value:
          type: array
          items:
            $ref: '#/components/schemas/Message'
    SendMailRequest:
      type: object
      required:
      - message
      properties:
        message:
          type: object
          properties:
            subject:
              type: string
            body:
              type: object
              properties:
                contentType:
                  type: string
                  enum:
                  - Text
                  - HTML
                content:
                  type: string
            toRecipients:
              type: array
              items:
                type: object
                properties:
                  emailAddress:
                    type: object
                    properties:
                      address:
                        type: string
        saveToSentItems:
          type: boolean
  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