Messages
{
"type": "join",
"room": "pm:event:polymarket:btc-updown-5m-1785347100:volume"
}{
"type": "leave",
"room": "pm:event:polymarket:btc-updown-5m-1785347100:volume"
}{
"type": "message",
"room": "pm:event:polymarket:btc-updown-5m-1785347100:volume",
"data": {
"type": "volume",
"channel": "volume",
"exchange": "polymarket",
"marketId": "1234567890",
"timestamp": 1785347120123,
"eventId": "btc-updown-5m-1785347100",
"volume": 48210.55,
"marketVolume": 24105.27,
"delta": 42.5
}
}Websockets
Event volume
Live cumulative USD volume for an event (crypto 5m windows use the event slug).
WSS
/
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.event('kalshi', 'EVENT_TICKER').volume().on((data) => {
console.log(data);
});
// sub.unsubscribe();
Messages
{
"type": "join",
"room": "pm:event:polymarket:btc-updown-5m-1785347100:volume"
}{
"type": "leave",
"room": "pm:event:polymarket:btc-updown-5m-1785347100:volume"
}{
"type": "message",
"room": "pm:event:polymarket:btc-updown-5m-1785347100:volume",
"data": {
"type": "volume",
"channel": "volume",
"exchange": "polymarket",
"marketId": "1234567890",
"timestamp": 1785347120123,
"eventId": "btc-updown-5m-1785347100",
"volume": 48210.55,
"marketVolume": 24105.27,
"delta": 42.5
}
}apiKey
type:httpApiKey
API key for authentication. Include your Datastream key in the connection URL: wss://datastream.solanatracker.io/{DATASTREAM_KEY}
joinEventVolume
type:object
Subscribe to cumulative event USD volume
leaveEventVolume
type:object
Unsubscribe from Event Volume
eventVolumeMessage
type:object
Event Volume update
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