openapi: 3.0.3
info:
  title: Bitrix24 REST BIconnector CoPilot / AI 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: CoPilot / AI
paths:
  /ai.engine.list:
    post:
      summary: Get the List of Services ai.engine.list
      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 `ai.engine.list` returns a list of registered AI services.
      operationId: ai_engine_list
      tags:
      - CoPilot / AI
      externalDocs:
        url: https://apidocs.bitrix24.com/api-reference/ai/ai-engine-list.html
        description: Official Documentation
      requestBody:
        content:
          application/json:
            schema:
              type: object
              properties:
                filter:
                  type: array
                  items: {}
                  description: '| An array in the following format:'
                limit:
                  type: integer
                  description: '| Maximum number of elements in the response ||'
                ID:
                  type: integer
                  description: '| Service identifier ||'
                APP_CODE:
                  type: string
                  description: '| Application code to which the service belongs.'
                NAME:
                  type: string
                  description: '| Service name ||'
                CODE:
                  type: string
                  description: '| Symbolic code of the service ||'
                CATEGORY:
                  type: string
                  description: '| Service category ||'
                COMPLETIONS_URL:
                  type: string
                  description: '| Service endpoint URL ||'
                DATE_CREATE:
                  type: string
                  format: date-time
                  description: '| Date and time of service creation in ISO 8601 format, e.g., 2026-03-20T09:50:00+03:00 ||'
          application/x-www-form-urlencoded:
            schema:
              type: object
              properties:
                filter:
                  type: array
                  items: {}
                  description: '| An array in the following format:'
                limit:
                  type: integer
                  description: '| Maximum number of elements in the response ||'
                ID:
                  type: integer
                  description: '| Service identifier ||'
                APP_CODE:
                  type: string
                  description: '| Application code to which the service belongs.'
                NAME:
                  type: string
                  description: '| Service name ||'
                CODE:
                  type: string
                  description: '| Symbolic code of the service ||'
                CATEGORY:
                  type: string
                  description: '| Service category ||'
                COMPLETIONS_URL:
                  type: string
                  description: '| Service endpoint URL ||'
                DATE_CREATE:
                  type: string
                  format: date-time
                  description: '| Date and time of service creation in ISO 8601 format, e.g., 2026-03-20T09:50:00+03:00 ||'
      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:
        - ai_admin
  /ai.engine.register:
    post:
      summary: Register the Service ai.engine.register
      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 `ai.engine.register` registers a custom AI service.
      operationId: ai_engine_register
      tags:
      - CoPilot / AI
      externalDocs:
        url: https://apidocs.bitrix24.com/api-reference/ai/ai-engine-register.html
        description: Official Documentation
      requestBody:
        content:
          application/json:
            schema:
              type: object
              properties:
                name:
                  type: string
                  description: '| The name of the service that will be displayed in the interface ||'
                code:
                  type: string
                  description: '| A unique code for the service.'
                category:
                  type: string
                  description: '| The category of the service.'
                completions_url:
                  type: string
                  description: '| The URL endpoint of the handler, which must respond with HTTP status `200` during registration verification (detailed description) ||'
                settings:
                  type: object
                  description: '| Additional settings for the service (detailed description) ||'
                code_alias:
                  type: string
                  description: '| The alias of the model.'
                model_context_type:
                  type: string
                  description: '| The method of calculating context.'
                model_context_limit:
                  type: integer
                  description: '| The context limit.'
              required:
              - name
              - code
              - category
              - completions_url
          application/x-www-form-urlencoded:
            schema:
              type: object
              properties:
                name:
                  type: string
                  description: '| The name of the service that will be displayed in the interface ||'
                code:
                  type: string
                  description: '| A unique code for the service.'
                category:
                  type: string
                  description: '| The category of the service.'
                completions_url:
                  type: string
                  description: '| The URL endpoint of the handler, which must respond with HTTP status `200` during registration verification (detailed description) ||'
                settings:
                  type: object
                  description: '| Additional settings for the service (detailed description) ||'
                code_alias:
                  type: string
                  description: '| The alias of the model.'
                model_context_type:
                  type: string
                  description: '| The method of calculating context.'
                model_context_limit:
                  type: integer
                  description: '| The context limit.'
              required:
              - name
              - code
              - category
              - completions_url
      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:
        - ai_admin
  /ai.engine.unregister:
    post:
      summary: Remove the ai.engine.unregister Service
      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 `ai.engine.unregister` removes a registered AI service.
      operationId: ai_engine_unregister
      tags:
      - CoPilot / AI
      externalDocs:
        url: https://apidocs.bitrix24.com/api-reference/ai/ai-engine-unregister.html
        description: Official Documentation
      requestBody:
        content:
          application/json:
            schema:
              type: object
              properties:
                code:
                  type: string
                  description: '| Character code of the service to be removed ||'
          application/x-www-form-urlencoded:
            schema:
              type: object
              properties:
                code:
                  type: string
                  description: '| Character code of the service to be removed ||'
      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:
        - ai_admin
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