Messages

{
  "type": "channel_data",
  "channel": "orders",
  "id": "0xAbCd...1234",
  "contents": {
    "orderId": "ord-abc123",
    "clientId": "42",
    "marketId": 1,
    "marketDisplayName": "BTC-USD",
    "side": "BUY",
    "status": "FILLED",
    "price": "94000.00",
    "originalSize": "1.0",
    "remainingSize": "0.0",
    "avgFillPrice": "94000.00",
    "state": "FILLED",
    "positionEffect": "OPEN_LONG",
    "sequenceNumber": 5001
  }
}

Account

Orders

Endpoint: wss://api.testnet.arcus.xyz/v1/ws — one socket multiplexes every channel and RPC request. Click Connect, then send the example subscribe message below to start receiving data.

Open and recently closed order updates for an account. Snapshot on subscribe includes all open orders and up to 100 recently closed orders. Streaming updates use a unified shape for both status changes and fill events. Snapshot is sent once on connect only.

Subscribe to this channel alongside userFills to observe the full order lifecycle after placing an order via the orderOperations channel.

WSS

ws?channel=orders

Messages

{
  "type": "channel_data",
  "channel": "orders",
  "id": "0xAbCd...1234",
  "contents": {
    "orderId": "ord-abc123",
    "clientId": "42",
    "marketId": 1,
    "marketDisplayName": "BTC-USD",
    "side": "BUY",
    "status": "FILLED",
    "price": "94000.00",
    "originalSize": "1.0",
    "remainingSize": "0.0",
    "avgFillPrice": "94000.00",
    "state": "FILLED",
    "positionEffect": "OPEN_LONG",
    "sequenceNumber": 5001
  }
}

Subscribe to an account channel

type:object

Order Update

User fills Funding