openapi: 3.0.3
info:
  title: Microsoft Dynamics 365 Business Central Accounts Activities API
  description: The Microsoft Dynamics 365 Business Central API (v2.0) provides a RESTful interface for integrating with Business Central. It exposes standard business entities such as customers, vendors, items, sales orders, purchase orders, journals, and general ledger entries. The API uses OData v4 conventions and requires Microsoft Entra ID (Azure AD) authentication.
  version: '2.0'
  contact:
    name: Microsoft
    url: https://learn.microsoft.com/en-us/dynamics365/business-central/dev-itpro/api-reference/v2.0/
  license:
    name: Microsoft APIs Terms of Use
    url: https://learn.microsoft.com/en-us/legal/microsoft-apis/terms-of-use
servers:
- url: https://api.businesscentral.dynamics.com/v2.0/{tenantId}/{environment}/api/v2.0
  description: Business Central Online (SaaS)
  variables:
    tenantId:
      default: common
      description: The Azure AD tenant ID or domain name.
    environment:
      default: production
      description: The Business Central environment name.
- url: https://{baseUrl}:{port}/{serverInstance}/api/v2.0
  description: Business Central On-Premises
  variables:
    baseUrl:
      default: localhost
    port:
      default: '7048'
    serverInstance:
      default: bc
security:
- oauth2: []
tags:
- name: Activities
paths:
  /activities:
    get:
      summary: Microsoft Dynamics List activities
      description: Retrieves a collection of activity records.
      operationId: listActivities
      tags:
      - Activities
      parameters:
      - $ref: '#/components/parameters/top'
      - $ref: '#/components/parameters/skip'
      - $ref: '#/components/parameters/filter'
      - $ref: '#/components/parameters/select'
      - $ref: '#/components/parameters/orderby'
      responses:
        '200':
          description: A collection of activities.
          content:
            application/json:
              schema:
                type: object
                properties:
                  value:
                    type: array
                    items:
                      $ref: '#/components/schemas/Activity'
components:
  schemas:
    Activity:
      type: object
      properties:
        activityid:
          type: string
          format: uuid
          readOnly: true
        subject:
          type: string
        description:
          type: string
        activitytypecode:
          type: string
          readOnly: true
        scheduledstart:
          type: string
          format: date-time
        scheduledend:
          type: string
          format: date-time
        actualdurationminutes:
          type: integer
        prioritycode:
          type: integer
          description: 0 = Low, 1 = Normal, 2 = High
        statecode:
          type: integer
        statuscode:
          type: integer
        createdon:
          type: string
          format: date-time
          readOnly: true
        modifiedon:
          type: string
          format: date-time
          readOnly: true
  parameters:
    filter:
      name: $filter
      in: query
      description: OData filter expression.
      schema:
        type: string
    select:
      name: $select
      in: query
      description: Comma-separated list of properties to include.
      schema:
        type: string
    skip:
      name: $skip
      in: query
      description: Number of records to skip.
      schema:
        type: integer
    top:
      name: $top
      in: query
      description: Maximum number of records to return.
      schema:
        type: integer
    orderby:
      name: $orderby
      in: query
      description: Comma-separated list of properties to sort by.
      schema:
        type: string
  securitySchemes:
    oauth2:
      type: oauth2
      description: Microsoft Entra ID (Azure AD) OAuth 2.0 authentication.
      flows:
        authorizationCode:
          authorizationUrl: https://login.microsoftonline.com/common/oauth2/v2.0/authorize
          tokenUrl: https://login.microsoftonline.com/common/oauth2/v2.0/token
          scopes:
            https://api.businesscentral.dynamics.com/.default: Access Business Central API