Messages
{
"type": "join",
"room": "pm:type:trade"
}{
"type": "leave",
"room": "pm:type:trade"
}{
"type": "message",
"room": "pm:type:trade",
"data": {
"type": "trade",
"channel": "trades",
"exchange": "polymarket",
"marketId": "1234567890",
"timestamp": 1785347120123
}
}Prediction Markets — Feeds
预测市场事件类型 WebSocket 流
通过 Datastream WebSocket 接收 Kalshi 和 Polymarket 单一事件类型，如 trade、crypto_price、market_opened 或 resolved。
WSS
/
跨交易所接收某一类型的事件（
trade、crypto_price、market_opened、resolved 等）。不接收市场状态类的价格、报价、订单簿和成交量。
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.type('trade').on((data) => {
console.log(data);
});
// sub.unsubscribe();
Messages
{
"type": "join",
"room": "pm:type:trade"
}{
"type": "leave",
"room": "pm:type:trade"
}{
"type": "message",
"room": "pm:type:trade",
"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}
joinEventTypeFeed
type:object
Subscribe by payload event type
leaveEventTypeFeed
type:object
Unsubscribe from By Event Type
eventTypeFeedMessage
type:object
By Event Type update
此页面对您有帮助吗？