> For the complete documentation index, see [llms.txt](https://docs.altura.com/altura-documentation/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.altura.com/altura-documentation/api-reference/smart-nft-endpoints/bulk-update-an-items-properties.md).

# Bulk Update an Item's Properties

This method allows you to change the value of multiple properties of a given item at once. This can  update an item's state (i.e., health, wear, strength, consumed, state, etc.)

### Bulk update an item's properties

## Updates multiple value's of an item's properties

<mark style="color:green;">`POST`</mark> `https://api.alturanft.com/api/v2/item/update_property`

Takes an item's collection address, tokenId, an array of objects with two fields: propertyName & propertyValue (the updated value), and your API key and updates the item's properties

#### Query Parameters

| Name                                     | Type   | Description  |
| ---------------------------------------- | ------ | ------------ |
| apiKey<mark style="color:red;">\*</mark> | String | Your API key |

#### Request Body

| Name                                         | Type    | Description                                                                                                                                                                                                                                                                       |
| -------------------------------------------- | ------- | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| address<mark style="color:red;">\*</mark>    | String  | The item's collection address                                                                                                                                                                                                                                                     |
| tokenId<mark style="color:red;">\*</mark>    | Integer | The item's tokenId                                                                                                                                                                                                                                                                |
| properties<mark style="color:red;">\*</mark> | Array   | <p>Array of objects containing the items propertyName's and the new propertyValue's that you wish to update.</p><p></p><p><code>\[</code></p><p><code>{propertyName:"", propertyValue:""},</code></p><p><code>{propertyName:"", propertyValue:""}</code></p><p><code>]</code></p> |

{% tabs %}
{% tab title="200: OK " %}

```javascript
{
    // Response
}
```

{% endtab %}

{% tab title="500: Internal Server Error " %}

```javascript
{
    // Response
}
```

{% endtab %}
{% endtabs %}

{% hint style="warning" %}
You cannot change the value of static properties.
{% endhint %}