# Maximum market-order notionals

> 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>


# Maximum market-order notionals

Returns maximum market-order notionals by leverage, ordered from highest leverage first.

<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 `maxMarketOrderNtls`. |

```json
{
  "type": "maxMarketOrderNtls"
}
```

## Response fields

| Field | Type | Description |
| --- | --- | --- |
| `[]` | array | `[leverage, maxNotional]` tuple, ordered by descending leverage. |
| `[][0]` | integer | Leverage value for the tuple. |
| `[][1]` | string | Maximum market-order notional at that leverage, encoded as a decimal string. |

## Response example

```json
[
  [25, "30000000.0"],
  [20, "5000000.0"]
]
```