Place Stop Market Order

Stop market orders are only available in Perp Markets

Requires an authenticated websocket connection. Please also subscribe to the User Order Channel to receive push notifications for all message updates in relation to an account or sub-account (e.g. OrderOpened, OrderMatched etc......).

One account can only place up to 50 orders per second via websocket.

Curl

Request format

{
  "op": "placeorder",
  "tag": 123,
  "data": {
            "timestamp": 1679907302693,
            "recvWindow": 500,
            "clientOrderId": 1679907301552,
            "marketCode": "BTC-USD-SWAP-LIN",
            "side": "SELL",
            "orderType": "STOP_MARKET",
            "quantity": 0.012,
            "stopPrice": 22279.29
         }
}

Success response format

{
  "event": "placeorder",
  "submitted": True,
  "tag": "123",
  "timestamp": "1607639739098",
  "data": {
            "clientOrderId": "1679907301552",
            "marketCode": "BTC-USD-SWAP-LIN",
            "side": "SELL",
            "orderType": "STOP_MARKET",
            "quantity": "0.012",
            "timeInForce": "IOC",
            "price": "25000",
            "limitPrice": "25000",
            "stopPrice": "22279.29",
            "orderId": "1000001680990",
            "triggerType": "MARK_PRICE",
            "source": 0
          }
}

Failure response format

{
  "event": "placeorder",
  "submitted": False,
  "tag": "123",
  "message": "<errorMessage>",
  "code": "<errorCode>",
  "timestamp": "1679907302693",
  "data": {
           "clientOrderId": "1679907301552",
           "marketCode": "BTC-USD-SWAP-LIN",
           "side": "SELL",
           "orderType": "STOP_MARKET",
           "quantity": "0.012",
           "timeInForce": "IOC",
           "price": "25000",
           "limitPrice": "25000",
           "stopPrice": "22279.29"
           "triggerType": "MARK_PRICE",
           "source": 0
          }
}

Python

Request format

import websockets
import asyncio
import time
import hmac
import base64
import hashlib
import json

api_key = ''
api_secret = ''
ts = str(int(time.time() * 1000))
sig_payload = (ts+'GET/auth/self/verify').encode('utf-8')
signature = base64.b64encode(hmac.new(api_secret.encode('utf-8'), sig_payload, hashlib.sha256).digest()).decode('utf-8')

auth = \
{
  "op": "login",
  "tag": 1,
  "data": {
           "apiKey": api_key,
           "timestamp": ts,
           "signature": signature
          }
}
place_order = \
{
  "op": "placeorder",
  "tag": 123,
  "data": {
            "timestamp": 1679907302693,
            "recvWindow": 500,
            "clientOrderId": 1679907301552,
            "marketCode": "BTC-USD-SWAP-LIN",
            "side": "SELL",
            "orderType": "STOP_MARKET",
            "quantity": 0.001,
            "stopPrice": 22279.29
         }
}


url= 'wss://api.ox.fun/v2/websocket'
async def subscribe():
    async with websockets.connect(url) as ws:
        while True:
            if not ws.open:
                print("websocket disconnected")
                ws = await websockets.connect(url)
            response = await ws.recv()
            data = json.loads(response)
            print(data)

            if 'nonce' in data:
                    await ws.send(json.dumps(auth))
            elif 'event' in data and data['event'] == 'login':
                if data['success'] == True:
                    await ws.send(json.dumps(place_order))
            elif 'event' in data and data['event'] == 'placeorder':
                continue
asyncio.get_event_loop().run_until_complete(subscribe())

Request Parameters

Parameters	Type	Required	Description
op	STRING	Yes	placeorder
tag	INTEGER or STRING	No	If given it will be echoed in the reply and the max size of tag is 32
data	DICTIONARY object	Yes
clientOrderId	ULONG	No	Client assigned ID to help manage and identify orders with max value 9223372036854775807
marketCode	STRING	Yes	Market code e.g. BTC-USD-SWAP-LIN
orderType	STRING	Yes	STOP_MARKET
quantity	FLOAT	Yes	Quantity (denominated by contractValCurrency)
side	STRING	Yes	BUY or SELL
stopPrice	FLOAT	Yes	Stop price for the stop-market order. Triggered by the best bid price for the SELL stop-market order. Triggered by the best ask price for the BUY stop-market order.
timestamp	LONG	NO	In milliseconds. If an order reaches the matching engine and the current timestamp exceeds timestamp + recvWindow, then the order will be rejected. If timestamp is provided without recvWindow, then a default recvWindow of 1000ms is used. If recvWindow is provided with no timestamp, then the request will not be rejected. If neither timestamp nor recvWindow are provided, then the request will not be rejected.
recvWindow	LONG	NO	In milliseconds. If an order reaches the matching engine and the current timestamp exceeds timestamp + recvWindow, then the order will be rejected. If timestamp is provided without recvWindow, then a default recvWindow of 1000ms is used. If recvWindow is provided with no timestamp, then the request will not be rejected. If neither timestamp nor recvWindow are provided, then the request will not be rejected.
selfTradePreventionMode	STRING	No	NONE, EXPIRE_MAKER, EXPIRE_TAKER, EXPIRE_BOTH