> For the complete documentation index, see [llms.txt](https://faq.finerymarkets.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://faq.finerymarkets.com/api-reference/rest-api/risk-management/marketdataviewers.md).

# marketDataViewers

**POST api/marketDataViewers**

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

```json
{}
```

{% endtab %}

{% tab title="200 OK" %}

```json
{'counterparties': [1, 2, 3]}
```

{% endtab %}

{% tab title="400 Bad request" %}

```json
{
    "error": 2
}
```

{% endtab %}
{% endtabs %}

**Request parameters**

No parameters

**Response description**

| Field name     | Type        | Description            |
| -------------- | ----------- | ---------------------- |
| counterparties | Array\<int> | List of counterparties |