# perpDexs

Returns the list of all available perpetual DEXes.

<table><thead><tr><th width="115">Field</th><th width="177">Type</th><th>Description</th></tr></thead><tbody><tr><td><code>type</code></td><td>string</td><td>Must be <code>"perpDexs"</code></td></tr></tbody></table>

## Request

{% tabs %}
{% tab title="cURL" %}

```bash
curl -X POST https://api.hydromancer.xyz/info \
  -H "Authorization: Bearer $HYDROMANCER_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "type": "perpDexs"
  }'
```

{% endtab %}

{% tab title="Python" %}

```python
import requests
import os
import json

response = requests.post(
    'https://api.hydromancer.xyz/info',
    json={
        'type': 'perpDexs'
    },
    headers={
        'Authorization': f'Bearer {os.environ["HYDROMANCER_API_KEY"]}',
        'Content-Type': 'application/json'
    }
)
print(json.dumps(response.json(), indent=2))
```

{% endtab %}

{% tab title="Javascript" %}

```javascript
import axios from 'axios';

const response = await axios.post(
  'https://api.hydromancer.xyz/info',
  {
    type: 'perpDexs'
  },
  {
    headers: {
      'Authorization': `Bearer ${process.env.HYDROMANCER_API_KEY}`,
      'Content-Type': 'application/json'
    }
  }
);

console.log(JSON.stringify(response.data, null, 2));
```

{% endtab %}
{% endtabs %}

***

## Response Fields

| Field                                | Type    | Description                                                                                 |
| ------------------------------------ | ------- | ------------------------------------------------------------------------------------------- |
| (root)                               | array   | Array where index 0 is `null` (the native/first DEX) and subsequent entries are DEX objects |
| `[n].name`                           | string  | Short DEX identifier (e.g. `"xyz"`)                                                         |
| `[n].fullName`                       | string  | Full DEX display name                                                                       |
| `[n].deployer`                       | string  | Deployer Ethereum address                                                                   |
| `[n].oracleUpdater`                  | string? | Oracle updater address, `null` if not set                                                   |
| `[n].feeRecipient`                   | string  | Fee recipient address                                                                       |
| `[n].assetToStreamingOiCap`          | array   | Array of `[asset, cap]` pairs for streaming open interest caps                              |
| `[n].subDeployers`                   | array   | Array of `[permission, [addresses]]` pairs                                                  |
| `[n].deployerFeeScale`               | string  | Deployer fee scale factor                                                                   |
| `[n].lastDeployerFeeScaleChangeTime` | string  | Timestamp of last fee scale change                                                          |
| `[n].assetToFundingMultiplier`       | array   | Array of `[asset, multiplier]` pairs                                                        |
| `[n].assetToFundingInterestRate`     | array   | Array of `[asset, rate]` pairs for custom funding interest rates                            |

<details>

<summary>Response</summary>

```json
[
  null,
  {
    "name": "xyz",
    "fullName": "XYZ",
    "deployer": "0x88806a71d74ad0a510b350545c9ae490912f0888",
    "oracleUpdater": null,
    "feeRecipient": "0x9cd0a696c7cbb9d44de99268194cb08e5684e5fe",
    "assetToStreamingOiCap": [
      ["xyz:NVDA", "250000000.0"],
      ["xyz:GOLD", "500000000.0"]
    ],
    "subDeployers": [
      ["registerAsset", ["0x7d16f116d252db609c56d27d6c9605eb03e16657"]],
      ["setOracle", ["0x1234567890545d1df9ee64b35fdd16966e08acec"]]
    ],
    "deployerFeeScale": "1.0",
    "lastDeployerFeeScaleChangeTime": "1970-01-01T00:00:00",
    "assetToFundingMultiplier": [
      ["xyz:NVDA", "0.5"],
      ["xyz:GOLD", "0.5"]
    ],
    "assetToFundingInterestRate": [
      ["xyz:EUR", "0.0"],
      ["xyz:JPY", "0.0"]
    ]
  }
]
```

</details>


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://docs.hydromancer.xyz/readme/rest-api/metadata/perpdexs.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.