> For clean Markdown of any page, append .md to the page URL.
> For a complete documentation index, see https://docs.ninjatrader.com/llms.txt.
> For AI client integration (Claude Code, Cursor, etc.), connect to the MCP server at https://docs.ninjatrader.com/_mcp/server.

# Place OSO

POST https://demo.tradovateapi.com/v1/order/placeoso
Content-Type: application/json

### Place an OSO (order-sends-order) order strategy.

**Available to:** All authenticated users

**Environments:** Demo, Live

**[Rate Limit](/api/authentication#request-rate-limits-and-time-penalties):** 1,500 requests per hour, 1-second back-off, counts all requests

An OSO strategy places a primary order that, once filled, automatically submits one or two bracket orders — for example, an entry order that sends a take-profit when it fills. Provide the primary order's fields plus `bracket1` (required) and, optionally, `bracket2`. If you specify both brackets, they're linked to each other as an OCO, so filling one cancels the other. On success, the response includes the primary order's `orderId`.

```js
// Demo environment; for Live use https://live.tradovateapi.com/v1
const URL = 'https://demo.tradovateapi.com/v1'

const oso = {
    accountSpec: yourUserName,
    accountId: yourAccountId,
    action: "Buy",
    symbol: "MESM1",
    orderType: "Limit",
    price: 4150.00,
    orderQty: 1,
    isAutomated: true,
    bracket1: {
        action: "Sell",
        orderType: "Limit",
        price: 4200.00
    }
}

const result = await fetch(`${URL}/order/placeoso`, {
    method: 'POST',
    headers: {
        'Content-Type': 'application/json',
        'Authorization': `Bearer ${myAccessToken}`
    },
    body: JSON.stringify(oso)
}).then(res => res.json()) // { orderId } on success
```

<Warning>
Set `isAutomated` to `true` for any order placed by code or an automated process, and `false` only for an order a human places directly. Misreporting this can violate exchange policies.
</Warning>

As with any order, acceptance is subject to market, exchange, and risk-management rules. When rejected, the response carries a `failureReason` and `failureText`.

**Common Failure Scenarios**

- A risk limit blocks the primary order (for example, `MaxPosLimitReached`).
- A contract or price is invalid for the primary order or a bracket (`InvalidContract`, `InvalidPrice`).
- The trading session is closed (`SessionClosed`).

**Error Messages**

| `failureReason` | Trigger |
|-----------------|---------|
| `InvalidPrice` | A price is missing or invalid for the primary order or a bracket. |
| `MaxPosLimitReached` | The order would exceed the account's position limit. |
| `SessionClosed` | The trading session is closed. |

See the `failureReason` enum in the response schema for the complete list of values.

Reference: https://docs.ninjatrader.com/api/rest-api-endpoints/orders/place-oso

## OpenAPI Specification

```yaml
openapi: 3.1.0
info:
  title: public
  version: 1.0.0
paths:
  /order/placeoso:
    post:
      operationId: placeOSO
      summary: Place OSO
      description: >-
        ### Place an OSO (order-sends-order) order strategy.


        **Available to:** All authenticated users


        **Environments:** Demo, Live


        **[Rate
        Limit](/api/authentication#request-rate-limits-and-time-penalties):**
        1,500 requests per hour, 1-second back-off, counts all requests


        An OSO strategy places a primary order that, once filled, automatically
        submits one or two bracket orders — for example, an entry order that
        sends a take-profit when it fills. Provide the primary order's fields
        plus `bracket1` (required) and, optionally, `bracket2`. If you specify
        both brackets, they're linked to each other as an OCO, so filling one
        cancels the other. On success, the response includes the primary order's
        `orderId`.


        ```js

        // Demo environment; for Live use https://live.tradovateapi.com/v1

        const URL = 'https://demo.tradovateapi.com/v1'


        const oso = {
            accountSpec: yourUserName,
            accountId: yourAccountId,
            action: "Buy",
            symbol: "MESM1",
            orderType: "Limit",
            price: 4150.00,
            orderQty: 1,
            isAutomated: true,
            bracket1: {
                action: "Sell",
                orderType: "Limit",
                price: 4200.00
            }
        }


        const result = await fetch(`${URL}/order/placeoso`, {
            method: 'POST',
            headers: {
                'Content-Type': 'application/json',
                'Authorization': `Bearer ${myAccessToken}`
            },
            body: JSON.stringify(oso)
        }).then(res => res.json()) // { orderId } on success

        ```


        <Warning>

        Set `isAutomated` to `true` for any order placed by code or an automated
        process, and `false` only for an order a human places directly.
        Misreporting this can violate exchange policies.

        </Warning>


        As with any order, acceptance is subject to market, exchange, and
        risk-management rules. When rejected, the response carries a
        `failureReason` and `failureText`.


        **Common Failure Scenarios**


        - A risk limit blocks the primary order (for example,
        `MaxPosLimitReached`).

        - A contract or price is invalid for the primary order or a bracket
        (`InvalidContract`, `InvalidPrice`).

        - The trading session is closed (`SessionClosed`).


        **Error Messages**


        | `failureReason` | Trigger |

        |-----------------|---------|

        | `InvalidPrice` | A price is missing or invalid for the primary order
        or a bracket. |

        | `MaxPosLimitReached` | The order would exceed the account's position
        limit. |

        | `SessionClosed` | The trading session is closed. |


        See the `failureReason` enum in the response schema for the complete
        list of values.
      tags:
        - Orders
      parameters:
        - name: Authorization
          in: header
          description: Bearer authentication
          required: true
          schema:
            type: string
      responses:
        '200':
          description: PlaceOsoResult
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/PlaceOsoResult'
      requestBody:
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/PlaceOSO'
servers:
  - url: https://demo.tradovateapi.com/v1
    description: Demo
  - url: https://live.tradovateapi.com/v1
    description: Live
components:
  schemas:
    PlaceOsoAction:
      type: string
      enum:
        - Buy
        - Sell
      description: Buy, Sell
      title: PlaceOsoAction
    PlaceOsoOrderType:
      type: string
      enum:
        - Limit
        - LimitIfTouched
        - MIT
        - Market
        - MarketLimit
        - MarketStopWithProtection
        - MarketWithProtection
        - QTS
        - Stop
        - StopLimit
        - TrailingStop
        - TrailingStopLimit
      description: >-
        Limit, LimitIfTouched, MIT, Market, MarketLimit,
        MarketStopWithProtection, MarketWithProtection, QTS, Stop, StopLimit,
        TrailingStop, TrailingStopLimit
      title: PlaceOsoOrderType
    PlaceOsoTimeInForce:
      type: string
      enum:
        - Day
        - FOK
        - GTC
        - GTD
        - IOC
      description: Day, FOK, GTC, GTD, IOC
      title: PlaceOsoTimeInForce
    RestrainedOrderVersionAction:
      type: string
      enum:
        - Buy
        - Sell
      description: Buy, Sell
      title: RestrainedOrderVersionAction
    RestrainedOrderVersionOrderType:
      type: string
      enum:
        - Limit
        - LimitIfTouched
        - MIT
        - Market
        - MarketLimit
        - MarketStopWithProtection
        - MarketWithProtection
        - QTS
        - Stop
        - StopLimit
        - TrailingStop
        - TrailingStopLimit
      description: >-
        Limit, LimitIfTouched, MIT, Market, MarketLimit,
        MarketStopWithProtection, MarketWithProtection, QTS, Stop, StopLimit,
        TrailingStop, TrailingStopLimit
      title: RestrainedOrderVersionOrderType
    RestrainedOrderVersionTimeInForce:
      type: string
      enum:
        - Day
        - FOK
        - GTC
        - GTD
        - IOC
      description: Day, FOK, GTC, GTD, IOC
      title: RestrainedOrderVersionTimeInForce
    RestrainedOrderVersion:
      type: object
      properties:
        action:
          $ref: '#/components/schemas/RestrainedOrderVersionAction'
          description: Buy, Sell
        clOrdId:
          type: string
        orderType:
          $ref: '#/components/schemas/RestrainedOrderVersionOrderType'
          description: >-
            Limit, LimitIfTouched, MIT, Market, MarketLimit,
            MarketStopWithProtection, MarketWithProtection, QTS, Stop,
            StopLimit, TrailingStop, TrailingStopLimit
        price:
          type: number
          format: double
        stopPrice:
          type: number
          format: double
        limitIfTouchedPrice:
          type: number
          format: double
        maxShow:
          type: integer
        pegDifference:
          type: number
          format: double
        timeInForce:
          $ref: '#/components/schemas/RestrainedOrderVersionTimeInForce'
          description: Day, FOK, GTC, GTD, IOC
        expireTime:
          type: string
          format: date-time
        text:
          type: string
      required:
        - action
        - orderType
      title: RestrainedOrderVersion
    PlaceOSO:
      type: object
      properties:
        accountSpec:
          type: string
        accountId:
          type: integer
          format: int64
        clOrdId:
          type: string
        action:
          $ref: '#/components/schemas/PlaceOsoAction'
          description: Buy, Sell
        symbol:
          type: string
        orderQty:
          type: integer
        orderType:
          $ref: '#/components/schemas/PlaceOsoOrderType'
          description: >-
            Limit, LimitIfTouched, MIT, Market, MarketLimit,
            MarketStopWithProtection, MarketWithProtection, QTS, Stop,
            StopLimit, TrailingStop, TrailingStopLimit
        price:
          type: number
          format: double
        stopPrice:
          type: number
          format: double
        limitIfTouchedPrice:
          type: number
          format: double
        maxShow:
          type: integer
        pegDifference:
          type: number
          format: double
        timeInForce:
          $ref: '#/components/schemas/PlaceOsoTimeInForce'
          description: Day, FOK, GTC, GTD, IOC
        expireTime:
          type: string
          format: date-time
        text:
          type: string
        activationTime:
          type: string
          format: date-time
        customTag50:
          type: string
        isAutomated:
          type: boolean
        bracket1:
          $ref: '#/components/schemas/RestrainedOrderVersion'
        bracket2:
          $ref: '#/components/schemas/RestrainedOrderVersion'
      required:
        - action
        - symbol
        - orderQty
        - orderType
        - bracket1
      title: PlaceOSO
    PlaceOsoResultFailureReason:
      type: string
      enum:
        - AccountClosed
        - AdvancedTrailingStopUnsupported
        - AnotherCommandPending
        - BackMonthProhibited
        - ExecutionProviderNotConfigured
        - ExecutionProviderUnavailable
        - InvalidContract
        - InvalidPrice
        - KeyInformationDocumentRequired
        - LiquidationOnly
        - LiquidationOnlyBeforeExpiration
        - MaxOrderQtyIsNotSpecified
        - MaxOrderQtyLimitReached
        - MaxPosLimitMisconfigured
        - MaxPosLimitReached
        - MaxTotalPosLimitReached
        - MultipleAccountPlanRequired
        - NoQuote
        - NotEnoughLiquidity
        - OtherExecutionRelated
        - ParentRejected
        - RiskCheckTimeout
        - SSFNFAComplianceRequired
        - SSFNFAComplianceRequiredJointOnly
        - SSFRiskDisclosureAcknowledgmentRequired
        - SessionClosed
        - Success
        - TooLate
        - TradingLocked
        - TrailingStopNonOrderQtyModify
        - Unauthorized
        - UnknownReason
        - Unsupported
      description: >-
        AccountClosed, AdvancedTrailingStopUnsupported, AnotherCommandPending,
        BackMonthProhibited, ExecutionProviderNotConfigured,
        ExecutionProviderUnavailable, InvalidContract, InvalidPrice,
        KeyInformationDocumentRequired, LiquidationOnly,
        LiquidationOnlyBeforeExpiration, MaxOrderQtyIsNotSpecified,
        MaxOrderQtyLimitReached, MaxPosLimitMisconfigured, MaxPosLimitReached,
        MaxTotalPosLimitReached, MultipleAccountPlanRequired, NoQuote,
        NotEnoughLiquidity, OtherExecutionRelated, ParentRejected,
        RiskCheckTimeout, SSFNFAComplianceRequired,
        SSFNFAComplianceRequiredJointOnly,
        SSFRiskDisclosureAcknowledgmentRequired, SessionClosed, Success,
        TooLate, TradingLocked, TrailingStopNonOrderQtyModify, Unauthorized,
        UnknownReason, Unsupported
      title: PlaceOsoResultFailureReason
    PlaceOsoResult:
      type: object
      properties:
        failureReason:
          $ref: '#/components/schemas/PlaceOsoResultFailureReason'
          description: >-
            AccountClosed, AdvancedTrailingStopUnsupported,
            AnotherCommandPending, BackMonthProhibited,
            ExecutionProviderNotConfigured, ExecutionProviderUnavailable,
            InvalidContract, InvalidPrice, KeyInformationDocumentRequired,
            LiquidationOnly, LiquidationOnlyBeforeExpiration,
            MaxOrderQtyIsNotSpecified, MaxOrderQtyLimitReached,
            MaxPosLimitMisconfigured, MaxPosLimitReached,
            MaxTotalPosLimitReached, MultipleAccountPlanRequired, NoQuote,
            NotEnoughLiquidity, OtherExecutionRelated, ParentRejected,
            RiskCheckTimeout, SSFNFAComplianceRequired,
            SSFNFAComplianceRequiredJointOnly,
            SSFRiskDisclosureAcknowledgmentRequired, SessionClosed, Success,
            TooLate, TradingLocked, TrailingStopNonOrderQtyModify, Unauthorized,
            UnknownReason, Unsupported
        failureText:
          type: string
        orderId:
          type: integer
          format: int64
        oso1Id:
          type: integer
          format: int64
        oso2Id:
          type: integer
          format: int64
      title: PlaceOsoResult
  securitySchemes:
    bearer_access_token:
      type: http
      scheme: bearer

```

## Examples



**Request**

```json
{
  "action": "Buy",
  "symbol": "string",
  "orderQty": 1,
  "orderType": "Limit",
  "bracket1": {
    "action": "Buy",
    "orderType": "Limit"
  }
}
```

**Response**

```json
{
  "failureReason": "AccountClosed",
  "failureText": "string",
  "orderId": 1,
  "oso1Id": 1,
  "oso2Id": 1
}
```

**SDK Code**

```python
import requests

url = "https://demo.tradovateapi.com/v1/order/placeoso"

payload = {
    "action": "Buy",
    "symbol": "string",
    "orderQty": 1,
    "orderType": "Limit",
    "bracket1": {
        "action": "Buy",
        "orderType": "Limit"
    }
}
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

response = requests.post(url, json=payload, headers=headers)

print(response.json())
```

```javascript
const url = 'https://demo.tradovateapi.com/v1/order/placeoso';
const options = {
  method: 'POST',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: '{"action":"Buy","symbol":"string","orderQty":1,"orderType":"Limit","bracket1":{"action":"Buy","orderType":"Limit"}}'
};

try {
  const response = await fetch(url, options);
  const data = await response.json();
  console.log(data);
} catch (error) {
  console.error(error);
}
```

```go
package main

import (
	"fmt"
	"strings"
	"net/http"
	"io"
)

func main() {

	url := "https://demo.tradovateapi.com/v1/order/placeoso"

	payload := strings.NewReader("{\n  \"action\": \"Buy\",\n  \"symbol\": \"string\",\n  \"orderQty\": 1,\n  \"orderType\": \"Limit\",\n  \"bracket1\": {\n    \"action\": \"Buy\",\n    \"orderType\": \"Limit\"\n  }\n}")

	req, _ := http.NewRequest("POST", url, payload)

	req.Header.Add("Authorization", "Bearer <token>")
	req.Header.Add("Content-Type", "application/json")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(res)
	fmt.Println(string(body))

}
```

```ruby
require 'uri'
require 'net/http'

url = URI("https://demo.tradovateapi.com/v1/order/placeoso")

http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true

request = Net::HTTP::Post.new(url)
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"action\": \"Buy\",\n  \"symbol\": \"string\",\n  \"orderQty\": 1,\n  \"orderType\": \"Limit\",\n  \"bracket1\": {\n    \"action\": \"Buy\",\n    \"orderType\": \"Limit\"\n  }\n}"

response = http.request(request)
puts response.read_body
```

```java
import com.mashape.unirest.http.HttpResponse;
import com.mashape.unirest.http.Unirest;

HttpResponse<String> response = Unirest.post("https://demo.tradovateapi.com/v1/order/placeoso")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"action\": \"Buy\",\n  \"symbol\": \"string\",\n  \"orderQty\": 1,\n  \"orderType\": \"Limit\",\n  \"bracket1\": {\n    \"action\": \"Buy\",\n    \"orderType\": \"Limit\"\n  }\n}")
  .asString();
```

```php
<?php
require_once('vendor/autoload.php');

$client = new \GuzzleHttp\Client();

$response = $client->request('POST', 'https://demo.tradovateapi.com/v1/order/placeoso', [
  'body' => '{
  "action": "Buy",
  "symbol": "string",
  "orderQty": 1,
  "orderType": "Limit",
  "bracket1": {
    "action": "Buy",
    "orderType": "Limit"
  }
}',
  'headers' => [
    'Authorization' => 'Bearer <token>',
    'Content-Type' => 'application/json',
  ],
]);

echo $response->getBody();
```

```csharp
using RestSharp;

var client = new RestClient("https://demo.tradovateapi.com/v1/order/placeoso");
var request = new RestRequest(Method.POST);
request.AddHeader("Authorization", "Bearer <token>");
request.AddHeader("Content-Type", "application/json");
request.AddParameter("application/json", "{\n  \"action\": \"Buy\",\n  \"symbol\": \"string\",\n  \"orderQty\": 1,\n  \"orderType\": \"Limit\",\n  \"bracket1\": {\n    \"action\": \"Buy\",\n    \"orderType\": \"Limit\"\n  }\n}", ParameterType.RequestBody);
IRestResponse response = client.Execute(request);
```

```swift
import Foundation

let headers = [
  "Authorization": "Bearer <token>",
  "Content-Type": "application/json"
]
let parameters = [
  "action": "Buy",
  "symbol": "string",
  "orderQty": 1,
  "orderType": "Limit",
  "bracket1": [
    "action": "Buy",
    "orderType": "Limit"
  ]
] as [String : Any]

let postData = JSONSerialization.data(withJSONObject: parameters, options: [])

let request = NSMutableURLRequest(url: NSURL(string: "https://demo.tradovateapi.com/v1/order/placeoso")! as URL,
                                        cachePolicy: .useProtocolCachePolicy,
                                    timeoutInterval: 10.0)
request.httpMethod = "POST"
request.allHTTPHeaderFields = headers
request.httpBody = postData as Data

let session = URLSession.shared
let dataTask = session.dataTask(with: request as URLRequest, completionHandler: { (data, response, error) -> Void in
  if (error != nil) {
    print(error as Any)
  } else {
    let httpResponse = response as? HTTPURLResponse
    print(httpResponse)
  }
})

dataTask.resume()
```