Messages
{
"type": "join",
"room": "pm:market:polymarket:1234567890:prices"
}{
"type": "leave",
"room": "pm:market:polymarket:1234567890:prices"
}{
"type": "message",
"room": "pm:market:polymarket:1234567890:prices",
"data": {
"type": "trade",
"channel": "trades",
"exchange": "polymarket",
"marketId": "1234567890",
"timestamp": 1785347120123
}
}Prediction Markets — Prices
预测市场价格 WebSocket 流
通过 Datastream WebSocket 接收单个市场的实时盘口中间价和展示价格。没有 pm:prices 全量流，需按市场加入。
WSS
/
实时盘口中间价（含
displayPrice）。只能按市场订阅，没有 pm:prices 全量流。
SDK Example
import { Datastream } from '@solana-tracker/data-api';
const dataStream = new Datastream({
wsUrl: 'wss://datastream.solanatracker.io/YOUR_API_KEY',
});
dataStream.on('error', console.error);
await dataStream.connect();
const sub = dataStream.subscribe.pm.market('kalshi', 'MARKET_TICKER').prices().on((data) => {
console.log(data);
});
// sub.unsubscribe();
Messages
{
"type": "join",
"room": "pm:market:polymarket:1234567890:prices"
}{
"type": "leave",
"room": "pm:market:polymarket:1234567890:prices"
}{
"type": "message",
"room": "pm:market:polymarket:1234567890:prices",
"data": {
"type": "trade",
"channel": "trades",
"exchange": "polymarket",
"marketId": "1234567890",
"timestamp": 1785347120123
}
}apiKey
type:httpApiKey
API key for authentication. Include your Datastream key in the connection URL: wss://datastream.solanatracker.io/{DATASTREAM_KEY}
joinMarketPrices
type:object
Subscribe to top-of-book mid prices
leaveMarketPrices
type:object
Unsubscribe from Market Prices
marketPricesMessage
type:object
Market Prices update
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