> 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/developer-wallet-endpoints/mint-additional-supply-of-erc1155.md).

# Mint Additional Supply of ERC1155

### Mint additional supply

## Mints additional supply of an existent NFT

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

Takes an item's collection address, tokenId, amount to mint, address to mint to (to) and your API key and mints additional supply of the specified NFT to the specified address.&#x20;

Only works if the circulating supply is less than the maximum supply

#### 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                                                                                                                                                                                         |
| amount<mark style="color:red;">\*</mark>  | Integer | The amount of additional supply you want to mint                                                                                                                                                           |
| to<mark style="color:red;">\*</mark>      | String  | <p>The address you want to mint the additional supply to</p><p></p><p>You do not need to mint the additional supply to your own wallet, instead, you can mint them to someone else's wallet right away</p> |

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

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

{% endtab %}

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

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

{% endtab %}
{% endtabs %}

{% hint style="info" %}
Only works if the circulating supply is less than the maximum supply
{% endhint %}