# GetBandwidthPrices

Query historical bandwidth unit price.

This method will use `30` [Compute Units](https://docs.validationcloud.io/v1/about/billing).

***

## **Parameters**

None.

## **Returns**

`prices` - string: All historical bandwidth unit price information. Each unit price change is separated by a comma. Before the colon is the millisecond timestamp, and after the colon is the energy unit price in sun.

{% code overflow="wrap" %}

```json
// Result
{
  "prices": "0:10,1606537680000:40,1614238080000:140,1626581880000:1000,1626925680000:140,1627731480000:1000"
}
```

{% endcode %}

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

```bash
curl https://mainnet.tron.validationcloud.io/v1/<YOUR_API_KEY_HERE>/wallet/getbandwidthprices \
    -X GET
```

{% endtab %}
{% endtabs %}