openapi: 3.1.0
info:
  title: Microsoft Exchange Microsoft Graph Contacts API
  description: >-
    Manage Outlook personal contacts and contact folders for Exchange Online
    users through the Microsoft Graph API. Supports creating, reading, updating,
    and deleting contacts, organizing them into folders, and assigning
    categories. Contacts can be organized into a hierarchy of contact folders.
  version: 1.0.0
  contact:
    name: Microsoft Support
    url: https://support.microsoft.com
    email: support@microsoft.com
  license:
    name: Microsoft API License
    url: https://www.microsoft.com/en-us/legal/terms-of-use
  x-date-modified: '2026-03-04'
servers:
  - url: https://graph.microsoft.com/v1.0
    description: Microsoft Graph v1.0 production endpoint
security:
  - oauth2: []
tags:
  - name: Contact Folders
    description: Operations for managing contact folders
  - name: Contacts
    description: Operations for managing personal contacts
paths:
  /me/contacts:
    get:
      operationId: listContacts
      summary: Microsoft Exchange List contacts
      description: >-
        Get a contact collection from the default contacts folder of the
        signed-in user. Returns all contacts in the user's mailbox.
      tags:
        - Contacts
      parameters:
        - $ref: '#/components/parameters/TopParam'
        - $ref: '#/components/parameters/SkipParam'
        - $ref: '#/components/parameters/SelectParam'
        - $ref: '#/components/parameters/FilterParam'
        - $ref: '#/components/parameters/OrderByParam'
        - $ref: '#/components/parameters/SearchParam'
      responses:
        '200':
          description: Successfully retrieved contacts
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ContactCollectionResponse'
        '401':
          $ref: '#/components/responses/Unauthorized'
    post:
      operationId: createContact
      summary: Microsoft Exchange Create contact
      description: >-
        Add a contact to the root contacts folder or the contacts endpoint
        of another contact folder.
      tags:
        - Contacts
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/Contact'
      responses:
        '201':
          description: Successfully created contact
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Contact'
        '400':
          $ref: '#/components/responses/BadRequest'
        '401':
          $ref: '#/components/responses/Unauthorized'
  /me/contacts/{contact-id}:
    get:
      operationId: getContact
      summary: Microsoft Exchange Get contact
      description: >-
        Read properties and relationships of a contact object.
      tags:
        - Contacts
      parameters:
        - $ref: '#/components/parameters/ContactIdParam'
        - $ref: '#/components/parameters/SelectParam'
      responses:
        '200':
          description: Successfully retrieved contact
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Contact'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          $ref: '#/components/responses/NotFound'
    patch:
      operationId: updateContact
      summary: Microsoft Exchange Update contact
      description: >-
        Update the properties of a contact object.
      tags:
        - Contacts
      parameters:
        - $ref: '#/components/parameters/ContactIdParam'
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/Contact'
      responses:
        '200':
          description: Successfully updated contact
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Contact'
        '400':
          $ref: '#/components/responses/BadRequest'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          $ref: '#/components/responses/NotFound'
    delete:
      operationId: deleteContact
      summary: Microsoft Exchange Delete contact
      description: >-
        Delete a contact object. The contact is moved to the Deleted Items folder.
      tags:
        - Contacts
      parameters:
        - $ref: '#/components/parameters/ContactIdParam'
      responses:
        '204':
          description: Successfully deleted contact
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          $ref: '#/components/responses/NotFound'
  /me/contacts/delta:
    get:
      operationId: getContactDelta
      summary: Microsoft Exchange Get contact delta
      description: >-
        Get a set of contacts that have been added, deleted, or updated
        in the user's mailbox. A delta function call for contacts is similar
        to a GET request, except that by applying state tokens, you can
        query for incremental changes.
      tags:
        - Contacts
      parameters:
        - $ref: '#/components/parameters/SelectParam'
        - name: $deltatoken
          in: query
          description: The delta token returned from a previous delta call
          schema:
            type: string
        - name: $skiptoken
          in: query
          description: The skip token for paging through results
          schema:
            type: string
      responses:
        '200':
          description: Successfully retrieved contact delta
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ContactDeltaResponse'
        '401':
          $ref: '#/components/responses/Unauthorized'
  /me/contactFolders:
    get:
      operationId: listContactFolders
      summary: Microsoft Exchange List contact folders
      description: >-
        Get the contact folder collection in the default contacts folder
        of the signed-in user.
      tags:
        - Contact Folders
      parameters:
        - $ref: '#/components/parameters/TopParam'
        - $ref: '#/components/parameters/SkipParam'
        - $ref: '#/components/parameters/SelectParam'
      responses:
        '200':
          description: Successfully retrieved contact folders
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ContactFolderCollectionResponse'
        '401':
          $ref: '#/components/responses/Unauthorized'
    post:
      operationId: createContactFolder
      summary: Microsoft Exchange Create contact folder
      description: >-
        Create a new contact folder as a child of a specified folder or as
        a top-level folder.
      tags:
        - Contact Folders
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/ContactFolder'
      responses:
        '201':
          description: Successfully created contact folder
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ContactFolder'
        '400':
          $ref: '#/components/responses/BadRequest'
        '401':
          $ref: '#/components/responses/Unauthorized'
  /me/contactFolders/{contactFolder-id}:
    get:
      operationId: getContactFolder
      summary: Microsoft Exchange Get contact folder
      description: >-
        Get a contact folder by using the contact folder ID.
      tags:
        - Contact Folders
      parameters:
        - $ref: '#/components/parameters/ContactFolderIdParam'
        - $ref: '#/components/parameters/SelectParam'
      responses:
        '200':
          description: Successfully retrieved contact folder
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ContactFolder'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          $ref: '#/components/responses/NotFound'
    patch:
      operationId: updateContactFolder
      summary: Microsoft Exchange Update contact folder
      description: >-
        Update the properties of a contact folder object.
      tags:
        - Contact Folders
      parameters:
        - $ref: '#/components/parameters/ContactFolderIdParam'
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/ContactFolder'
      responses:
        '200':
          description: Successfully updated contact folder
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ContactFolder'
        '400':
          $ref: '#/components/responses/BadRequest'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          $ref: '#/components/responses/NotFound'
    delete:
      operationId: deleteContactFolder
      summary: Microsoft Exchange Delete contact folder
      description: >-
        Delete a contact folder. The folder is moved to the Deleted Items folder.
      tags:
        - Contact Folders
      parameters:
        - $ref: '#/components/parameters/ContactFolderIdParam'
      responses:
        '204':
          description: Successfully deleted contact folder
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          $ref: '#/components/responses/NotFound'
  /me/contactFolders/{contactFolder-id}/contacts:
    get:
      operationId: listContactsInFolder
      summary: Microsoft Exchange List contacts in folder
      description: >-
        Get a contact collection from the specified contact folder.
      tags:
        - Contact Folders
        - Contacts
      parameters:
        - $ref: '#/components/parameters/ContactFolderIdParam'
        - $ref: '#/components/parameters/TopParam'
        - $ref: '#/components/parameters/SkipParam'
        - $ref: '#/components/parameters/SelectParam'
        - $ref: '#/components/parameters/FilterParam'
        - $ref: '#/components/parameters/OrderByParam'
      responses:
        '200':
          description: Successfully retrieved contacts in folder
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ContactCollectionResponse'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          $ref: '#/components/responses/NotFound'
    post:
      operationId: createContactInFolder
      summary: Microsoft Exchange Create contact in folder
      description: >-
        Add a contact to the specified contact folder.
      tags:
        - Contact Folders
        - Contacts
      parameters:
        - $ref: '#/components/parameters/ContactFolderIdParam'
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/Contact'
      responses:
        '201':
          description: Successfully created contact in folder
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Contact'
        '400':
          $ref: '#/components/responses/BadRequest'
        '401':
          $ref: '#/components/responses/Unauthorized'
  /me/contactFolders/{contactFolder-id}/childFolders:
    get:
      operationId: listContactChildFolders
      summary: Microsoft Exchange List child contact folders
      description: >-
        Get a collection of child folders under the specified contact folder.
      tags:
        - Contact Folders
      parameters:
        - $ref: '#/components/parameters/ContactFolderIdParam'
        - $ref: '#/components/parameters/TopParam'
        - $ref: '#/components/parameters/SkipParam'
      responses:
        '200':
          description: Successfully retrieved child folders
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ContactFolderCollectionResponse'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          $ref: '#/components/responses/NotFound'
    post:
      operationId: createContactChildFolder
      summary: Microsoft Exchange Create child contact folder
      description: >-
        Create a new contact folder as a child of the specified folder.
      tags:
        - Contact Folders
      parameters:
        - $ref: '#/components/parameters/ContactFolderIdParam'
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/ContactFolder'
      responses:
        '201':
          description: Successfully created child folder
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ContactFolder'
        '400':
          $ref: '#/components/responses/BadRequest'
        '401':
          $ref: '#/components/responses/Unauthorized'
components:
  securitySchemes:
    oauth2:
      type: oauth2
      description: OAuth 2.0 authorization with Microsoft identity platform
      flows:
        authorizationCode:
          authorizationUrl: https://login.microsoftonline.com/common/oauth2/v2.0/authorize
          tokenUrl: https://login.microsoftonline.com/common/oauth2/v2.0/token
          scopes:
            Contacts.Read: Read user contacts
            Contacts.ReadWrite: Read and write user contacts
            Contacts.Read.Shared: Read shared contacts
            Contacts.ReadWrite.Shared: Read and write shared contacts
  parameters:
    ContactIdParam:
      name: contact-id
      in: path
      required: true
      description: The unique identifier of the contact
      schema:
        type: string
    ContactFolderIdParam:
      name: contactFolder-id
      in: path
      required: true
      description: The unique identifier of the contact folder
      schema:
        type: string
    TopParam:
      name: $top
      in: query
      description: The number of items to return
      schema:
        type: integer
        minimum: 1
    SkipParam:
      name: $skip
      in: query
      description: The number of items to skip
      schema:
        type: integer
        minimum: 0
    SelectParam:
      name: $select
      in: query
      description: Comma-separated list of properties to include
      schema:
        type: string
    FilterParam:
      name: $filter
      in: query
      description: OData filter expression
      schema:
        type: string
    OrderByParam:
      name: $orderby
      in: query
      description: Comma-separated list of properties to sort by
      schema:
        type: string
    SearchParam:
      name: $search
      in: query
      description: Search string to filter results
      schema:
        type: string
  schemas:
    Contact:
      type: object
      description: >-
        A contact is an item in Outlook where you can organize and save
        information about people and organizations you communicate with.
        Contacts are contained in contact folders.
      properties:
        id:
          type: string
          readOnly: true
          description: The contact's unique identifier
        displayName:
          type: string
          description: The contact's display name
        givenName:
          type: string
          description: The contact's given name (first name)
        surname:
          type: string
          description: The contact's surname (last name)
        middleName:
          type: string
          description: The contact's middle name
        nickName:
          type: string
          description: The contact's nickname
        title:
          type: string
          description: The contact's title
        initials:
          type: string
          description: The contact's initials
        generation:
          type: string
          description: The contact's suffix
        emailAddresses:
          type: array
          items:
            $ref: '#/components/schemas/EmailAddress'
          description: The contact's email addresses
        businessPhones:
          type: array
          items:
            type: string
          description: The contact's business phone numbers
        homePhones:
          type: array
          items:
            type: string
          description: The contact's home phone numbers
        mobilePhone:
          type: string
          description: The contact's mobile phone number
        imAddresses:
          type: array
          items:
            type: string
          description: The contact's instant messaging addresses
        jobTitle:
          type: string
          description: The contact's job title
        companyName:
          type: string
          description: The name of the contact's company
        department:
          type: string
          description: The contact's department
        officeLocation:
          type: string
          description: The location of the contact's office
        profession:
          type: string
          description: The contact's profession
        manager:
          type: string
          description: The name of the contact's manager
        assistantName:
          type: string
          description: The name of the contact's assistant
        businessHomePage:
          type: string
          description: The business home page of the contact
        businessAddress:
          $ref: '#/components/schemas/PhysicalAddress'
        homeAddress:
          $ref: '#/components/schemas/PhysicalAddress'
        otherAddress:
          $ref: '#/components/schemas/PhysicalAddress'
        spouseName:
          type: string
          description: The name of the contact's spouse or partner
        birthday:
          type: string
          format: date-time
          description: The contact's birthday in ISO 8601 format (always UTC)
        children:
          type: array
          items:
            type: string
          description: The names of the contact's children
        personalNotes:
          type: string
          description: The user's notes about the contact
        fileAs:
          type: string
          description: The name the contact is filed under
        categories:
          type: array
          items:
            type: string
          description: The categories associated with the contact
        parentFolderId:
          type: string
          readOnly: true
          description: The ID of the contact's parent folder
        changeKey:
          type: string
          readOnly: true
          description: Identifies the version of the contact
        createdDateTime:
          type: string
          format: date-time
          readOnly: true
          description: The time the contact was created
        lastModifiedDateTime:
          type: string
          format: date-time
          readOnly: true
          description: The time the contact was last modified
        yomiGivenName:
          type: string
          description: Phonetic Japanese given name
        yomiSurname:
          type: string
          description: Phonetic Japanese surname
        yomiCompanyName:
          type: string
          description: Phonetic Japanese company name
    ContactFolder:
      type: object
      description: A folder that contains contacts
      properties:
        id:
          type: string
          readOnly: true
          description: The contact folder's unique identifier
        displayName:
          type: string
          description: The folder's display name
        parentFolderId:
          type: string
          readOnly: true
          description: The ID of the folder's parent folder
    EmailAddress:
      type: object
      description: Email address of a contact
      properties:
        name:
          type: string
          description: The display name
        address:
          type: string
          format: email
          description: The email address
    PhysicalAddress:
      type: object
      description: Physical street address
      properties:
        street:
          type: string
          description: The street address
        city:
          type: string
          description: The city
        state:
          type: string
          description: The state or province
        countryOrRegion:
          type: string
          description: The country or region
        postalCode:
          type: string
          description: The postal code
    ContactCollectionResponse:
      type: object
      description: Collection of contacts
      properties:
        '@odata.context':
          type: string
        '@odata.nextLink':
          type: string
          format: uri
        value:
          type: array
          items:
            $ref: '#/components/schemas/Contact'
    ContactDeltaResponse:
      type: object
      description: Delta response for contacts
      properties:
        '@odata.context':
          type: string
        '@odata.nextLink':
          type: string
          format: uri
        '@odata.deltaLink':
          type: string
          format: uri
          description: URL to get the next set of changes
        value:
          type: array
          items:
            $ref: '#/components/schemas/Contact'
    ContactFolderCollectionResponse:
      type: object
      description: Collection of contact folders
      properties:
        '@odata.context':
          type: string
        '@odata.nextLink':
          type: string
          format: uri
        value:
          type: array
          items:
            $ref: '#/components/schemas/ContactFolder'
    ODataError:
      type: object
      description: OData error response
      properties:
        error:
          type: object
          properties:
            code:
              type: string
            message:
              type: string
            innerError:
              type: object
              properties:
                request-id:
                  type: string
                date:
                  type: string
                  format: date-time
  responses:
    BadRequest:
      description: Bad request
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ODataError'
    Unauthorized:
      description: Unauthorized
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ODataError'
    NotFound:
      description: Not found
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ODataError'