Bloomberg EMSX Orders API

openapi: 3.1.0
info:
  title: Bloomberg EMSX Trading Brokers Orders API
  description: Bloomberg Execution Management System (EMSX) API provides programmatic access to Bloomberg's order and execution management platform. It enables automated order creation, routing, modification, and execution monitoring for equity, fixed income, futures, and options trading across global markets. The API supports order lifecycle management, broker selection, route management, and real-time fill notifications through the Bloomberg Terminal and B-PIPE infrastructure.
  version: '1.0'
  contact:
    name: Bloomberg Professional Support
    url: https://www.bloomberg.com/professional/support/
  termsOfService: https://www.bloomberg.com/notices/tos/
servers:
- url: https://api.bloomberg.com/emsxapi/v1
  description: Bloomberg EMSX Production API
security:
- bearerAuth: []
tags:
- name: Orders
  description: Create, modify, delete, and query trading orders
paths:
  /orders:
    get:
      operationId: listOrders
      summary: Bloomberg EMSX List orders
      description: Retrieve a list of orders in the EMSX blotter. Supports filtering by status, ticker, side, and date range. Returns order-level fields including ticker, amount, limit price, order type, time in force, and current fill status.
      tags:
      - Orders
      parameters:
      - $ref: '#/components/parameters/teamName'
      - name: status
        in: query
        description: Filter orders by status
        schema:
          type: string
          enum:
          - NEW
          - WORKING
          - PARTIALLY_FILLED
          - FILLED
          - CANCELLED
          - REJECTED
          - EXPIRED
      - name: ticker
        in: query
        description: Filter by Bloomberg security ticker
        schema:
          type: string
      - name: side
        in: query
        description: Filter by order side
        schema:
          type: string
          enum:
          - BUY
          - SELL
          - SHORT
          - COVER
      - name: fromDate
        in: query
        description: Filter orders created on or after this date
        schema:
          type: string
          format: date
      - name: toDate
        in: query
        description: Filter orders created on or before this date
        schema:
          type: string
          format: date
      - name: limit
        in: query
        description: Maximum number of orders to return
        schema:
          type: integer
          default: 100
          maximum: 1000
      - name: offset
        in: query
        description: Number of orders to skip for pagination
        schema:
          type: integer
          default: 0
      responses:
        '200':
          description: List of orders retrieved successfully
          content:
            application/json:
              schema:
                type: object
                properties:
                  orders:
                    type: array
                    items:
                      $ref: '#/components/schemas/Order'
                  totalCount:
                    type: integer
                    description: Total number of orders matching the filter
        '401':
          $ref: '#/components/responses/Unauthorized'
        '403':
          $ref: '#/components/responses/Forbidden'
    post:
      operationId: createOrder
      summary: Bloomberg EMSX Create a new order
      description: Create a new order in the EMSX blotter. The order is placed on the blotter and can subsequently be routed to a broker for execution. Supports equity, fixed income, futures, and options instruments.
      tags:
      - Orders
      parameters:
      - $ref: '#/components/parameters/teamName'
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/CreateOrderRequest'
      responses:
        '201':
          description: Order created successfully
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/OrderResponse'
        '400':
          $ref: '#/components/responses/BadRequest'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '403':
          $ref: '#/components/responses/Forbidden'
        '422':
          description: Order validation failed
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
  /orders/{orderSequenceNumber}:
    get:
      operationId: getOrder
      summary: Bloomberg EMSX Get order details
      description: Retrieve detailed information about a specific order by its EMSX sequence number, including all order fields, current status, and associated routes.
      tags:
      - Orders
      parameters:
      - $ref: '#/components/parameters/orderSequenceNumber'
      responses:
        '200':
          description: Order details retrieved successfully
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Order'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          $ref: '#/components/responses/NotFound'
    patch:
      operationId: modifyOrder
      summary: Bloomberg EMSX Modify an existing order
      description: Modify fields on an existing order such as amount, limit price, order type, or time in force. Only unfilled or partially filled orders can be modified.
      tags:
      - Orders
      parameters:
      - $ref: '#/components/parameters/orderSequenceNumber'
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/ModifyOrderRequest'
      responses:
        '200':
          description: Order modified successfully
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/OrderResponse'
        '400':
          $ref: '#/components/responses/BadRequest'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          $ref: '#/components/responses/NotFound'
        '409':
          description: Order cannot be modified in its current state
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
    delete:
      operationId: deleteOrder
      summary: Bloomberg EMSX Delete an order
      description: Delete an order from the EMSX blotter. Only orders with no active routes can be deleted. Orders with active routes must have their routes cancelled first.
      tags:
      - Orders
      parameters:
      - $ref: '#/components/parameters/orderSequenceNumber'
      responses:
        '204':
          description: Order deleted successfully
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          $ref: '#/components/responses/NotFound'
        '409':
          description: Order has active routes and cannot be deleted
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
  /orders/createAndRoute:
    post:
      operationId: createOrderAndRoute
      summary: Bloomberg EMSX Create an order and route it simultaneously
      description: Create a new order and immediately route it to a specified broker in a single operation. This combines order creation and route creation for streamlined execution workflows.
      tags:
      - Orders
      parameters:
      - $ref: '#/components/parameters/teamName'
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/CreateAndRouteRequest'
      responses:
        '201':
          description: Order created and routed successfully
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/CreateAndRouteResponse'
        '400':
          $ref: '#/components/responses/BadRequest'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '422':
          description: Order or route validation failed
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
  /orders/groupRoute:
    post:
      operationId: groupRouteOrders
      summary: Bloomberg EMSX Route multiple orders to a broker
      description: Route a group of existing orders to a specified broker in a single batch operation. All orders in the group are routed with the same broker and strategy parameters.
      tags:
      - Orders
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/GroupRouteRequest'
      responses:
        '200':
          description: Orders routed successfully
          content:
            application/json:
              schema:
                type: object
                properties:
                  results:
                    type: array
                    items:
                      $ref: '#/components/schemas/GroupRouteResult'
        '400':
          $ref: '#/components/responses/BadRequest'
        '401':
          $ref: '#/components/responses/Unauthorized'
components:
  responses:
    BadRequest:
      description: Invalid request parameters
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
    Forbidden:
      description: Insufficient permissions for this operation
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
    Unauthorized:
      description: Authentication required or invalid credentials
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
    NotFound:
      description: Resource not found
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
  schemas:
    CreateAndRouteRequest:
      type: object
      required:
      - ticker
      - side
      - amount
      - orderType
      - timeInForce
      - broker
      properties:
        ticker:
          type: string
          description: Bloomberg security ticker symbol
        side:
          type: string
          enum:
          - BUY
          - SELL
          - SHORT
          - COVER
          description: Order side
        amount:
          type: number
          minimum: 1
          description: Order quantity
        orderType:
          type: string
          enum:
          - MKT
          - LMT
          - STP
          - STP_LMT
          - MOC
          - LOC
          - VWAP
          - TWAP
          description: Order type
        limitPrice:
          type: number
          description: Limit price
        stopPrice:
          type: number
          description: Stop price
        timeInForce:
          type: string
          enum:
          - DAY
          - GTC
          - IOC
          - FOK
          - GTD
          - OPG
          - CLO
          description: Time in force
        broker:
          type: string
          description: Broker code for routing
        strategy:
          type: string
          description: Broker execution strategy
        strategyParameters:
          type: object
          additionalProperties: true
          description: Strategy-specific parameters
        account:
          type: string
          description: Trading account identifier
        notes:
          type: string
          description: Free-text notes
    GroupRouteResult:
      type: object
      properties:
        orderSequenceNumber:
          type: integer
          description: Order sequence number
        routeId:
          type: integer
          description: Created route identifier
        status:
          type: string
          description: Routing result status
        message:
          type: string
          description: Status message or error detail
    CreateOrderRequest:
      type: object
      required:
      - ticker
      - side
      - amount
      - orderType
      - timeInForce
      properties:
        ticker:
          type: string
          description: Bloomberg security ticker symbol
        side:
          type: string
          enum:
          - BUY
          - SELL
          - SHORT
          - COVER
          description: Order side
        amount:
          type: number
          minimum: 1
          description: Order quantity
        orderType:
          type: string
          enum:
          - MKT
          - LMT
          - STP
          - STP_LMT
          - MOC
          - LOC
          - VWAP
          - TWAP
          description: Order type
        limitPrice:
          type: number
          description: Limit price (required for LMT and STP_LMT orders)
        stopPrice:
          type: number
          description: Stop price (required for STP and STP_LMT orders)
        timeInForce:
          type: string
          enum:
          - DAY
          - GTC
          - IOC
          - FOK
          - GTD
          - OPG
          - CLO
          description: Time in force
        goodTillDate:
          type: string
          format: date
          description: Expiration date (required for GTD orders)
        account:
          type: string
          description: Trading account identifier
        notes:
          type: string
          description: Free-text notes
        customFields:
          type: object
          additionalProperties: true
          description: Custom user-defined fields
    Order:
      type: object
      properties:
        sequenceNumber:
          type: integer
          description: EMSX order sequence number (unique identifier)
        ticker:
          type: string
          description: Bloomberg security ticker symbol
        side:
          type: string
          enum:
          - BUY
          - SELL
          - SHORT
          - COVER
          description: Order side
        amount:
          type: number
          description: Total order quantity
        orderType:
          type: string
          enum:
          - MKT
          - LMT
          - STP
          - STP_LMT
          - MOC
          - LOC
          - VWAP
          - TWAP
          description: Order type
        limitPrice:
          type: number
          description: Limit price for limit orders
        stopPrice:
          type: number
          description: Stop price for stop orders
        timeInForce:
          type: string
          enum:
          - DAY
          - GTC
          - IOC
          - FOK
          - GTD
          - OPG
          - CLO
          description: Time in force
        goodTillDate:
          type: string
          format: date
          description: Expiration date for GTD orders
        status:
          type: string
          enum:
          - NEW
          - WORKING
          - PARTIALLY_FILLED
          - FILLED
          - CANCELLED
          - REJECTED
          - EXPIRED
          description: Current order status
        filledAmount:
          type: number
          description: Total quantity filled across all routes
        averagePrice:
          type: number
          description: Volume-weighted average fill price
        remainingAmount:
          type: number
          description: Remaining unfilled quantity
        assetClass:
          type: string
          enum:
          - Equity
          - Fixed Income
          - Futures
          - Options
          - FX
          description: Asset class of the security
        exchange:
          type: string
          description: Exchange or marketplace
        currency:
          type: string
          description: Trading currency (ISO 4217)
        account:
          type: string
          description: Trading account identifier
        notes:
          type: string
          description: Free-text notes attached to the order
        traderName:
          type: string
          description: Name of the trader who created the order
        createdTime:
          type: string
          format: date-time
          description: Timestamp when the order was created
        lastModifiedTime:
          type: string
          format: date-time
          description: Timestamp when the order was last modified
        routes:
          type: array
          items:
            $ref: '#/components/schemas/RouteSummary'
          description: Summary of routes associated with this order
        customFields:
          type: object
          additionalProperties: true
          description: Custom user-defined fields
    OrderResponse:
      type: object
      properties:
        sequenceNumber:
          type: integer
          description: EMSX order sequence number
        status:
          type: string
          description: Order status
        message:
          type: string
          description: Status message
    Error:
      type: object
      properties:
        code:
          type: string
          description: Error code
        message:
          type: string
          description: Human-readable error message
        details:
          type: array
          items:
            type: object
            properties:
              field:
                type: string
                description: Field that caused the error
              message:
                type: string
                description: Detail about the field error
          description: Detailed error information
    RouteSummary:
      type: object
      properties:
        routeId:
          type: integer
          description: Route identifier
        broker:
          type: string
          description: Broker code
        status:
          type: string
          description: Route status
        filledAmount:
          type: number
          description: Quantity filled
        averagePrice:
          type: number
          description: Average fill price
    GroupRouteRequest:
      type: object
      required:
      - orderSequenceNumbers
      - broker
      properties:
        orderSequenceNumbers:
          type: array
          items:
            type: integer
          description: List of order sequence numbers to route
        broker:
          type: string
          description: Broker code for routing
        strategy:
          type: string
          description: Broker execution strategy
        strategyParameters:
          type: object
          additionalProperties: true
          description: Strategy-specific parameters
    ModifyOrderRequest:
      type: object
      properties:
        amount:
          type: number
          minimum: 1
          description: Updated order quantity
        orderType:
          type: string
          enum:
          - MKT
          - LMT
          - STP
          - STP_LMT
          - MOC
          - LOC
          - VWAP
          - TWAP
          description: Updated order type
        limitPrice:
          type: number
          description: Updated limit price
        stopPrice:
          type: number
          description: Updated stop price
        timeInForce:
          type: string
          enum:
          - DAY
          - GTC
          - IOC
          - FOK
          - GTD
          - OPG
          - CLO
          description: Updated time in force
        goodTillDate:
          type: string
          format: date
          description: Updated expiration date
        notes:
          type: string
          description: Updated notes
    CreateAndRouteResponse:
      type: object
      properties:
        orderSequenceNumber:
          type: integer
          description: EMSX order sequence number
        routeId:
          type: integer
          description: Route identifier
        status:
          type: string
          description: Combined status message
  parameters:
    teamName:
      name: teamName
      in: query
      description: EMSX team name for shared blotter access
      schema:
        type: string
    orderSequenceNumber:
      name: orderSequenceNumber
      in: path
      required: true
      description: EMSX order sequence number
      schema:
        type: integer
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer
      bearerFormat: JWT
      description: Bloomberg API authentication token obtained via Bloomberg B-PIPE or Bloomberg Terminal authentication
externalDocs:
  description: Bloomberg EMSX API Documentation
  url: https://www.bloomberg.com/professional/support/api-library/