> For the complete documentation index, see [llms.txt](https://docs.validationcloud.io/v1/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.validationcloud.io/v1/avalanche/p-chain/platform.validates.md).

# platform.validates

Get the IDs of the blockchains a Subnet validates.

This method will use `20` [Compute Units](/v1/about/billing.md).

***

## Reference: [Here](https://docs.avax.network/reference/avalanchego/p-chain/api#platformvalidates)

## **Parameters**

* `subnetID` - string - the blockchain’s ID.

## Returns

* `blockchainIDs` - \[]string - Each element is the ID of a blockchain the Subnet validates.

```json
// Result
{
  "jsonrpc": "2.0",
  "result": {
    "blockchainIDs": [
      "KDYHHKjM4yTJTT8H8qPs5KXzE6gQH5TZrmP1qVr1P6qECj3XN",
      "2TtHFqEAAJ6b33dromYMqfgavGPF3iCpdG3hwNMiart2aB5QHi"
    ]
  },
  "id": 1
}
```

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

```bash
curl https://mainnet.avalanche.validationcloud.io/v1/<YOUR_API_KEY_HERE>/ext/bc/P \
    -X POST \
    -H "Content-Type: application/json" \
    -d '{
    "jsonrpc": "2.0",
    "method": "platform.validates",
    "params": {
        "subnetID":"2bRCr6B4MiEfSjidDwxDpdCyviwnfUVqB2HGwhm947w9YYqb7r"
    },
    "id": 1
}'

```

{% endtab %}

{% tab title="testnet" %}

```bash
curl https://fuji.avalanche.validationcloud.io/v1/<YOUR_API_KEY_HERE>/ext/bc/P \
    -X POST \
    -H "Content-Type: application/json" \
    -d '{
    "jsonrpc": "2.0",
    "method": "platform.validates",
    "params": {
        "subnetID":"2bRCr6B4MiEfSjidDwxDpdCyviwnfUVqB2HGwhm947w9YYqb7r"
    },
    "id": 1
}'
```

{% endtab %}
{% endtabs %}