Subscribe to the balances channel to receive pulsed account balance updates.
Messages are pushed every 1 second.
1) Authenticate
Send this immediately after connecting to wss://trade.qfex.com?api_key=YOUR_API_KEY:
{
"type": "auth",
"params": {
"hmac": {
"public_key": "qfex_pub_xxxxx",
"nonce": "c0ffee...",
"unix_ts": 1760545414,
"signature": "5f2e..."
}
}
}
2) Subscribe
{ "type": "subscribe", "params": { "channels": ["balances"] } }
Sample Code
# Python (websocket-client)
# pip install websocket-client
import json, websocket
API_KEY = "YOUR_API_KEY"
def send(ws, obj): ws.send(json.dumps(obj))
def on_open(ws):
# 1) Authenticate
# https://docs.qfex.com/websocket/channels/trade/authenticate#how-it-works
send(ws, {"type": "auth", "params": { "hmac": { "public_key": "qfex_pub_xxxxx", "nonce": "c0ffee...", "unix_ts": 1760545414, "signature": "5f2e..." }}})
# 2) Subscribe to balances
send(ws, {"type": "subscribe", "params": {"channels": ["balances"]}})
ws = websocket.WebSocketApp(
"wss://trade.qfex.com?api_key=YOUR_API_KEY",
on_open=on_open,
on_message=lambda _, m: print("Message:", m),
on_error=lambda _, e: print("Error:", e),
on_close=lambda *_: print("Closed"),
)
ws.run_forever()
Example Responses
{ "subscribed": "balances" }
{
"balance_response": {
"id": "0020ce8e-eaee-480e-8d7f-b9241d756ee5",
"user_id": "0020ce8e-eaee-480e-8d7f-b9241d756ee5",
"deposit": 9990000000.0,
"realised_pnl": 0.0,
"order_margin": 0.0,
"position_margin": 0.0,
"unrealised_pnl": 0.0,
"net_funding": 0.0,
"available_balance": 9990000000.0
}
}
Balance updates are pulsed every 10 seconds.