Messages
{
"type": "join",
"room": "pm:polymarket"
}{
"type": "leave",
"room": "pm:polymarket"
}{
"type": "message",
"room": "pm:polymarket",
"data": {
"type": "trade",
"channel": "trades",
"exchange": "polymarket",
"marketId": "1234567890",
"timestamp": 1785347120123
}
}Prediction Markets — Feeds
Eventos de un exchange de predicción por WebSocket
Eventos de Kalshi o Polymarket que no son de estado por WebSocket de Datastream: trades, precios crypto y ciclo de vida. No es un firehose de precios.
WSS
/
Eventos de un exchange que no son de estado de mercado (trades, crypto_price, lifecycle). No es un firehose de precios.
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.exchange('kalshi').all().on((data) => {
console.log(data);
});
// sub.unsubscribe();
Messages
{
"type": "join",
"room": "pm:polymarket"
}{
"type": "leave",
"room": "pm:polymarket"
}{
"type": "message",
"room": "pm:polymarket",
"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}
joinExchangeFeed
type:object
Subscribe to all events for one exchange
leaveExchangeFeed
type:object
Unsubscribe from Exchange Feed
exchangeFeedMessage
type:object
Exchange Feed update
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