TradeStation Order Execution API

openapi: 3.1.0
info:
  title: TradeStation Accounts Order Execution API
  description: The TradeStation API is a collection of RESTful brokerage and market data services used to build trading applications for stocks, options, futures, and cryptocurrency. The API provides endpoints for account management, order placement and execution, real-time and historical market data, option chains, and symbol information. TradeStation supports advanced order types including bracket, OCO, OSO, and multi-leg options orders, with both intelligent and direct order routing. The API uses OAuth2 authentication and version 3 is the recommended version for new integrations.
  version: '3.0'
  contact:
    name: TradeStation API Support
    url: https://api.tradestation.com/docs/
  termsOfService: https://www.tradestation.com/important-information/
servers:
- url: https://api.tradestation.com
  description: Production Server
- url: https://sim-api.tradestation.com
  description: Simulator Server (Paper Trading)
security:
- oauth2AuthCode: []
tags:
- name: Order Execution
  description: Place, confirm, modify, and cancel orders for stocks, options, and futures. Includes support for group orders such as bracket and OCO orders.
paths:
  /v3/orderexecution/orders:
    post:
      operationId: placeOrder
      summary: Place an order
      description: Submits a new order for execution. Supports market, limit, stop market, stop limit, and trailing stop order types for stocks, options, and futures. Includes support for time-in-force settings such as day, GTC, GTD, and IOC.
      tags:
      - Order Execution
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/OrderRequest'
      responses:
        '200':
          description: Order successfully submitted
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/OrderResponse'
        '400':
          description: Invalid order parameters
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
        '401':
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
  /v3/orderexecution/orders/{orderId}:
    put:
      operationId: replaceOrder
      summary: Replace an order
      description: Modifies an existing open order. Allows changing price, quantity, and other order parameters. The original order is cancelled and replaced with the updated order parameters.
      tags:
      - Order Execution
      parameters:
      - $ref: '#/components/parameters/OrderId'
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/OrderRequest'
      responses:
        '200':
          description: Order successfully replaced
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/OrderResponse'
        '400':
          description: Invalid order parameters
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
        '401':
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
        '404':
          description: Order not found
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
    delete:
      operationId: cancelOrder
      summary: Cancel an order
      description: Cancels an existing open order. The order must be in a cancellable state. Returns the updated order status after cancellation.
      tags:
      - Order Execution
      parameters:
      - $ref: '#/components/parameters/OrderId'
      responses:
        '200':
          description: Order successfully cancelled
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/OrderResponse'
        '401':
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
        '404':
          description: Order not found
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
  /v3/orderexecution/orderconfirm:
    post:
      operationId: confirmOrder
      summary: Confirm an order
      description: Validates an order and returns estimated costs, commissions, and margin requirements without actually submitting the order for execution. Use this endpoint to preview order details before placing.
      tags:
      - Order Execution
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/OrderRequest'
      responses:
        '200':
          description: Order confirmation details
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/OrderConfirmResponse'
        '400':
          description: Invalid order parameters
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
        '401':
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
  /v3/orderexecution/ordergroups:
    post:
      operationId: placeOrderGroup
      summary: Place a group order
      description: Submits a group of related orders for execution. Supports bracket orders (OCO - One Cancels Other), OSO (Order Sends Order), and other multi-order strategies. When one order in the group is filled or cancelled, related orders are automatically managed.
      tags:
      - Order Execution
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/GroupOrderRequest'
      responses:
        '200':
          description: Group order successfully submitted
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/GroupOrderResponse'
        '400':
          description: Invalid group order parameters
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
        '401':
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
  /v3/orderexecution/ordergroupconfirm:
    post:
      operationId: confirmOrderGroup
      summary: Confirm a group order
      description: Validates a group of related orders and returns estimated costs, commissions, and margin requirements without submitting for execution. Use this endpoint to preview group order details before placing.
      tags:
      - Order Execution
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/GroupOrderRequest'
      responses:
        '200':
          description: Group order confirmation details
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/GroupOrderConfirmResponse'
        '400':
          description: Invalid group order parameters
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
        '401':
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
components:
  schemas:
    GroupOrderRequest:
      type: object
      description: Request body for placing a group of related orders such as bracket, OCO, or OSO orders.
      required:
      - Type
      - Orders
      properties:
        Type:
          type: string
          description: The type of order group.
          enum:
          - OCO
          - BRK
          - OSO
        Orders:
          type: array
          description: The list of orders in the group.
          items:
            $ref: '#/components/schemas/OrderRequest'
    OptionLeg:
      type: object
      description: A single leg of an option strategy.
      properties:
        Symbol:
          type: string
          description: The option symbol.
        Quantity:
          type: integer
          description: The number of contracts.
        TradeAction:
          type: string
          description: The trade action for this leg.
          enum:
          - BuyToOpen
          - BuyToClose
          - SellToOpen
          - SellToClose
    OrderConfirmResponse:
      type: object
      description: Response with estimated order costs and confirmation details.
      properties:
        EstimatedCommission:
          type: number
          format: double
          description: Estimated commission for the order.
        EstimatedCost:
          type: number
          format: double
          description: Estimated total cost of the order.
        EstimatedPrice:
          type: number
          format: double
          description: Estimated execution price.
        MarginRequirement:
          type: number
          format: double
          description: The margin requirement for the order.
    GroupOrderResponse:
      type: object
      description: Response after placing a group order.
      properties:
        Orders:
          type: array
          description: List of order results for the group.
          items:
            $ref: '#/components/schemas/OrderResult'
    OrderResult:
      type: object
      description: Result of an individual order operation.
      properties:
        OrderID:
          type: string
          description: The unique order identifier assigned by the system.
        Message:
          type: string
          description: Human-readable message about the order result.
    OrderRequest:
      type: object
      description: Request body for placing or replacing an order.
      required:
      - AccountID
      - Symbol
      - Quantity
      - OrderType
      - TradeAction
      - TimeInForce
      properties:
        AccountID:
          type: string
          description: The account to place the order in.
        Symbol:
          type: string
          description: The symbol to trade.
        Quantity:
          type: number
          format: double
          description: The number of shares or contracts to trade.
        OrderType:
          type: string
          description: The type of order.
          enum:
          - Market
          - Limit
          - StopMarket
          - StopLimit
          - TrailingStop
          - TrailingStopLimit
        TradeAction:
          type: string
          description: The trade action for the order.
          enum:
          - Buy
          - Sell
          - BuyToOpen
          - BuyToClose
          - SellToOpen
          - SellToClose
          - SellShort
          - BuyToCover
        TimeInForce:
          type: string
          description: Time-in-force instruction for the order.
          enum:
          - Day
          - GTC
          - GTD
          - IOC
          - FOK
          - OPG
          - CLO
        LimitPrice:
          type: number
          format: double
          description: The limit price for limit and stop-limit orders.
        StopPrice:
          type: number
          format: double
          description: The stop price for stop and stop-limit orders.
        Route:
          type: string
          description: The routing destination for the order.
        AdvancedOptions:
          type: object
          description: Advanced order options such as trailing stop parameters.
          properties:
            TrailingStop:
              type: object
              properties:
                Amount:
                  type: number
                  format: double
                  description: The trailing amount in dollars.
                Percent:
                  type: number
                  format: double
                  description: The trailing amount as a percentage.
        Legs:
          type: array
          description: Option legs for multi-leg option orders.
          items:
            $ref: '#/components/schemas/OptionLeg'
    OrderResponse:
      type: object
      description: Response after placing, replacing, or cancelling an order.
      properties:
        Orders:
          type: array
          description: List of order results.
          items:
            $ref: '#/components/schemas/OrderResult'
    GroupOrderConfirmResponse:
      type: object
      description: Response with estimated costs for all orders in a group.
      properties:
        Confirmations:
          type: array
          description: List of confirmation details for each order in the group.
          items:
            $ref: '#/components/schemas/OrderConfirmResponse'
    Error:
      type: object
      description: Standard error response returned by the TradeStation API.
      properties:
        StatusCode:
          type: integer
          description: HTTP status code of the error.
        Message:
          type: string
          description: Human-readable description of the error.
        TraceId:
          type: string
          format: uuid
          description: Unique trace identifier for debugging and support purposes.
  parameters:
    OrderId:
      name: orderId
      in: path
      required: true
      description: The unique identifier of the order.
      schema:
        type: string
  securitySchemes:
    oauth2AuthCode:
      type: oauth2
      description: OAuth 2.0 authorization code flow for accessing TradeStation API resources. Requires user authorization and supports token refresh.
      flows:
        authorizationCode:
          authorizationUrl: https://signin.tradestation.com/authorize
          tokenUrl: https://signin.tradestation.com/oauth/token
          scopes:
            marketdata: Access to market data endpoints
            readaccount: Read access to account information
            trade: Access to order placement and management
externalDocs:
  description: TradeStation API Documentation
  url: https://api.tradestation.com/docs/