openapi: 3.0.3
info:
  title: Bitrix24 REST BIconnector Company Structure API
  version: 1.0.0
  description: 'Bitrix24 REST API provides access to CRM, tasks, drive, chats, telephony, e-commerce, automation, and other modules. Documentation: https://apidocs.bitrix24.com'
  contact:
    name: Bitrix24 Developer Support
    url: https://apidocs.bitrix24.com/support.html
  license:
    name: MIT
    url: https://github.com/bitrix-tools/b24-rest-docs/blob/main/LICENSE
  x-logo:
    url: https://apidocs.bitrix24.com/_images/bitrix24logo.svg
servers:
- url: https://{portal}.bitrix24.com/rest
  description: Your Bitrix24 portal (cloud)
  variables:
    portal:
      default: your-portal
      description: Subdomain of your Bitrix24 portal
- url: https://{host}/rest
  description: On-Premise Bitrix24 installation
  variables:
    host:
      default: your-bitrix24.example.com
      description: Host of your on-premise installation
security:
- AccessToken: []
tags:
- name: Company Structure
paths:
  /department.add:
    post:
      summary: Create Department department.add
      description: If you are developing integrations for Bitrix24 using AI tools (Codex, Claude Code, Cursor), connect to the [MCP server](../../ai-tools/mcp.md) so that the assistant can utilize the official REST documentation. The method `department.add` adds a new department to the company's structure.
      operationId: department_add
      tags:
      - Company Structure
      externalDocs:
        url: https://apidocs.bitrix24.com/api-reference/departments/department-add.html
        description: Official Documentation
      requestBody:
        content:
          application/json:
            schema:
              type: object
              properties:
                NAME:
                  type: string
                  description: '| Department name ||'
                SORT:
                  type: integer
                  description: '| Department sorting field ||'
                PARENT:
                  type: integer
                  description: '| Identifier of the parent department ||'
                UF_HEAD:
                  type: integer
                  description: '| Identifier of the user who will become the head of the department ||'
              required:
              - NAME
              - PARENT
          application/x-www-form-urlencoded:
            schema:
              type: object
              properties:
                NAME:
                  type: string
                  description: '| Department name ||'
                SORT:
                  type: integer
                  description: '| Department sorting field ||'
                PARENT:
                  type: integer
                  description: '| Identifier of the parent department ||'
                UF_HEAD:
                  type: integer
                  description: '| Identifier of the user who will become the head of the department ||'
              required:
              - NAME
              - PARENT
      responses:
        '200':
          description: Successful response
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/BitrixResponse'
        4XX:
          description: Request error (400, 401, 403)
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/BitrixError'
      security:
      - AccessToken: []
      - OAuth2:
        - department
  /department.department.delete:
    post:
      summary: Delete department.department.delete
      description: If you are developing integrations for Bitrix24 using AI tools (Codex, Claude Code, Cursor), connect to the [MCP server](../../ai-tools/mcp.md) so that the assistant can utilize the official REST documentation. The method `department.delete` removes a department from the company structure.
      operationId: department_department_delete
      tags:
      - Company Structure
      externalDocs:
        url: https://apidocs.bitrix24.com/api-reference/departments/department-delete.html
        description: Official Documentation
      requestBody:
        content:
          application/json:
            schema:
              type: object
              properties:
                ID:
                  type: integer
                  description: '| Identifier of the department ||'
              required:
              - ID
          application/x-www-form-urlencoded:
            schema:
              type: object
              properties:
                ID:
                  type: integer
                  description: '| Identifier of the department ||'
              required:
              - ID
      responses:
        '200':
          description: Successful response
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/BitrixResponse'
        4XX:
          description: Request error (400, 401, 403)
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/BitrixError'
      security:
      - AccessToken: []
      - OAuth2:
        - department
  /department.fields:
    post:
      summary: Get a list of department field names department.fields
      description: If you are developing integrations for Bitrix24 using AI tools (Codex, Claude Code, Cursor), connect to the [MCP server](../../ai-tools/mcp.md) so that the assistant can utilize the official REST documentation. The method `department.fields` returns a list and description of available department fields. No parameters.
      operationId: department_fields
      tags:
      - Company Structure
      externalDocs:
        url: https://apidocs.bitrix24.com/api-reference/departments/department-fields.html
        description: Official Documentation
      requestBody:
        content:
          application/json:
            schema:
              type: object
              properties:
                result:
                  type: object
                  description: '| Root element of the response. Contains the list and description of fields ||'
                time:
                  type: string
                  description: '| Information about the execution time of the request ||'
          application/x-www-form-urlencoded:
            schema:
              type: object
              properties:
                result:
                  type: object
                  description: '| Root element of the response. Contains the list and description of fields ||'
                time:
                  type: string
                  description: '| Information about the execution time of the request ||'
      responses:
        '200':
          description: Successful response
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/BitrixResponse'
        4XX:
          description: Request error (400, 401, 403)
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/BitrixError'
      security:
      - AccessToken: []
      - OAuth2:
        - department
  /department.get:
    post:
      summary: Get the list of departments department.get
      description: If you are developing integrations for Bitrix24 using AI tools (Codex, Claude Code, Cursor), connect to the [MCP server](../../ai-tools/mcp.md) so that the assistant can utilize the official REST documentation. The `department.get` method is designed to retrieve a list of departments.
      operationId: department_get
      tags:
      - Company Structure
      externalDocs:
        url: https://apidocs.bitrix24.com/api-reference/departments/department-get.html
        description: Official Documentation
      requestBody:
        content:
          application/json:
            schema:
              type: object
              properties:
                sort:
                  type: string
                  description: '| The name of the field to sort by. Sorting works on the following fields:'
                order:
                  type: string
                  description: '| Sorting direction:'
                ID:
                  type: integer
                  description: '| Filter by department identifier ||'
                NAME:
                  type: string
                  description: '| Filter by department name. The full name of the department should be specified ||'
                SORT:
                  type: integer
                  description: '| Filter by sorting field ||'
                PARENT:
                  type: integer
                  description: '| Filter by parent department identifier ||'
                UF_HEAD:
                  type: integer
                  description: '| Filter by department head identifier ||'
                START:
                  type: integer
                  description: '| This parameter is used for pagination control.'
          application/x-www-form-urlencoded:
            schema:
              type: object
              properties:
                sort:
                  type: string
                  description: '| The name of the field to sort by. Sorting works on the following fields:'
                order:
                  type: string
                  description: '| Sorting direction:'
                ID:
                  type: integer
                  description: '| Filter by department identifier ||'
                NAME:
                  type: string
                  description: '| Filter by department name. The full name of the department should be specified ||'
                SORT:
                  type: integer
                  description: '| Filter by sorting field ||'
                PARENT:
                  type: integer
                  description: '| Filter by parent department identifier ||'
                UF_HEAD:
                  type: integer
                  description: '| Filter by department head identifier ||'
                START:
                  type: integer
                  description: '| This parameter is used for pagination control.'
      responses:
        '200':
          description: Successful response
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/BitrixResponse'
        4XX:
          description: Request error (400, 401, 403)
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/BitrixError'
      security:
      - AccessToken: []
      - OAuth2:
        - department
  /department.update:
    post:
      summary: Update Department department.update
      description: If you are developing integrations for Bitrix24 using AI tools (Codex, Claude Code, Cursor), connect to the [MCP server](../../ai-tools/mcp.md) so that the assistant can utilize the official REST documentation. The method `department.update` modifies the department data in the company structure.
      operationId: department_update
      tags:
      - Company Structure
      externalDocs:
        url: https://apidocs.bitrix24.com/api-reference/departments/department-update.html
        description: Official Documentation
      requestBody:
        content:
          application/json:
            schema:
              type: object
              properties:
                ID:
                  type: integer
                  description: '| Identifier of the department ||'
                NAME:
                  type: string
                  description: '| Name of the department ||'
                SORT:
                  type: integer
                  description: '| Sorting field of the department ||'
                PARENT:
                  type: integer
                  description: '| Identifier of the parent department ||'
                UF_HEAD:
                  type: integer
                  description: '| Identifier of the user who will be the head of the department ||'
              required:
              - ID
          application/x-www-form-urlencoded:
            schema:
              type: object
              properties:
                ID:
                  type: integer
                  description: '| Identifier of the department ||'
                NAME:
                  type: string
                  description: '| Name of the department ||'
                SORT:
                  type: integer
                  description: '| Sorting field of the department ||'
                PARENT:
                  type: integer
                  description: '| Identifier of the parent department ||'
                UF_HEAD:
                  type: integer
                  description: '| Identifier of the user who will be the head of the department ||'
              required:
              - ID
      responses:
        '200':
          description: Successful response
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/BitrixResponse'
        4XX:
          description: Request error (400, 401, 403)
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/BitrixError'
      security:
      - AccessToken: []
      - OAuth2:
        - department
components:
  schemas:
    BitrixError:
      type: object
      description: Bitrix24 REST API error response
      required:
      - error
      - error_description
      properties:
        error:
          type: string
          description: Error code
          example: ACCESS_DENIED
        error_description:
          type: string
          description: Human-readable error description
          example: Access denied.
    BitrixTime:
      type: object
      description: Request execution time information
      properties:
        start:
          type: number
          format: double
        finish:
          type: number
          format: double
        duration:
          type: number
          format: double
        processing:
          type: number
          format: double
        date_start:
          type: string
          format: date-time
        date_finish:
          type: string
          format: date-time
        operating_reset_at:
          type: integer
        operating:
          type: number
          format: double
    BitrixResponse:
      type: object
      description: Standard Bitrix24 REST API response
      properties:
        result:
          description: Method execution result
        total:
          type: integer
          description: Total number of records (for list methods)
        next:
          type: integer
          description: Next offset for pagination
        time:
          $ref: '#/components/schemas/BitrixTime'
  securitySchemes:
    AccessToken:
      type: apiKey
      in: query
      name: auth
      description: OAuth 2.0 access_token or incoming webhook token
    OAuth2:
      type: oauth2
      description: OAuth 2.0 authorization
      flows:
        authorizationCode:
          authorizationUrl: https://oauth.bitrix.info/oauth/authorize/
          tokenUrl: https://oauth.bitrix.info/oauth/token/
          scopes:
            crm: CRM — leads, deals, contacts, companies, smart processes
            task: Tasks and projects
            disk: Drive — files and folders
            im: Chats and notifications
            imbot: Chatbots
            imopenlines: Open Lines — messenger connectors
            telephony: Telephony
            sale: E-Commerce — orders, shipments
            catalog: Trade Catalog — products, prices
            calendar: Calendar
            bizproc: Business processes and robots
            user: Users
            department: Company structure
            timeman: Time tracking
            landing: Sites and landing pages
            pay_system: Payment systems
            cashbox: Online cash registers
            delivery: Delivery services
            documentgenerator: Document generator
            lists: Universal lists
            entity: Data storage
            log: News feed
            sonet_group: Workgroups and projects
            mailservice: Mail services
            messageservice: Message providers (SMS)
            biconnector: BIconnector — BI analytics
            ai_admin: CoPilot / AI
            sign.b2e: Signature — e-document signing
            vote: Polls and voting
            booking: Online booking
            userconsent: User consent agreements
            userfieldconfig: Custom field settings
            basic: Basic access
            placement: Widget placements
            rpa: Robots process automation
            sonet: Social network
            intranet: Intranet
            socialnetwork: Social network
            workgroups: Workgroups
            salescenter: Sales center
            main: Main module
            imconnector: IM connector
            user.userfield: User custom fields
            user_basic: Basic user access
            userfieldconfig, module scope: Custom field config
externalDocs:
  description: Official Bitrix24 REST API Documentation
  url: https://apidocs.bitrix24.com