> ## Documentation Index
> Fetch the complete documentation index at: https://docs.notional.xyz/llms.txt
> Use this file to discover all available pages before exploring further.

# Notional Meta

## Subscribe

```json theme={null}
{
  "method": "subscribe",
  "subscription": {
    "type": "notionalMeta"
  }
}
```

## Response

```json theme={null}
{
  "channel": "notionalMeta",
  "data": {
    "isSnapshot": true,
    "updatedAt": 1701234567890,
    "metadata": {
      "perpMarkets": {},
      "assets": {},
      "marginTables": [],
      "spotPairs": {},
      "earn": {
        "apy": 0,
        "borrowApr": 0,
        "tvl": "0",
        "available": "0",
        "utilization": 0,
        "nextAccrualTimestamp": null
      }
    }
  }
}
```

## Notes

<Note>
  * The payload matches the `notionalMeta` response from `POST /info`. - The server sends an initial
    snapshot after subscription, then checks for changed metadata every 3 seconds. - Incremental
    broadcasts use `isSnapshot: false`.
</Note>