# Active asset data

> HyperCore private-preview documentation.

> For the complete documentation index, see [llms.txt](/docs/llms.txt).

<Callout intent="info">
  This API is in private preview. Target October 2026; timing is subject to change.
</Callout>


# Active asset data

Returns a user's active perpetual-market trading capacity and leverage for one coin.


<Note>

  **Available now.** This read is served at the interim endpoint today.

</Note>

## Request

`POST /{apiKey}/info`

| Parameter | Type   | Required | Description                    |
| --------- | ------ | -------- | ------------------------------ |
| `type`    | string | Yes      | Selects `activeAssetData`.     |
| `user`    | string | Yes      | Master or sub-account address. |
| `coin`    | string | Yes      | Perpetual market identifier.   |

```json
{
  "type": "activeAssetData",
  "user": "0x0000000000000000000000000000000000000000",
  "coin": "BTC"
}
```

## Response fields

| Field              | Type              | Description                                               |
| ------------------ | ----------------- | --------------------------------------------------------- |
| `user`             | string            | Account address.                                          |
| `coin`             | string            | Perpetual market symbol requested by the caller.          |
| `leverage`         | object            | Selected leverage configuration for this user and market. |
| `leverage.type`    | cross \| isolated | Selected margin mode: `cross` or `isolated`.              |
| `leverage.value`   | integer           | Configured leverage multiplier.                           |
| `leverage.rawUsd`  | string            | HIP-3 isolated-margin amount in USD, when supplied.       |
| `maxTradeSzs`      | array             | Maximum buy and sell sizes permitted at current margin.   |
| `availableToTrade` | array             | Available buy and sell notional at current margin.        |
| `markPx`           | string            | Current mark price used for margin and unrealized PnL.    |

## Response example

<Tabs>
<Tab title="First perpetual DEX">

```json
{
  "user": "0xb65822a30bbaaa68942d6f4c43d78704faeabbbb",
  "coin": "APT",
  "leverage": { "type": "cross", "value": 3 },
  "maxTradeSzs": ["24836370.4400000013", "24836370.4400000013"],
  "availableToTrade": ["37019438.0284740031", "37019438.0284740031"],
  "markPx": "4.4716"
}
```

</Tab>
<Tab title="HIP-3 DEX">

```json
{
  "user": "0xa15099a30bbf2e68942d6f4c43d70d04faeab0a0",
  "coin": "xyz:XYZ100",
  "leverage": { "type": "isolated", "value": 20, "rawUsd": "0.0" },
  "maxTradeSzs": ["0.0", "0.0"],
  "availableToTrade": ["0.0", "0.0"],
  "markPx": "25451.0"
}
```

</Tab>
</Tabs>