# Utilities

**1. Fetch a list of available namespaces for resolution**

* **GET** `/api/v1/resolver/namespaces`
* Returns a list of namespaces enabled for the tenant account. The shortname field value is the enumeration value for the resolver with namespace endpoint.

**Response**

**200 OK**

```json
{
  "timestamp": "2024-12-04T11:27:05.813793213",
  "data": [
    {
      "name": "ENS Domains",
      "shortname": "ENS",
      "smartContractAddress": "0x57f1887a8bf19b14fc0df6fd9b2acc9af147ea85"
    },
    {
      "name": "Freename Domains",
      "shortname": "FNS",
      "smartContractAddress": "0x465ea4967479a96d4490d575b5a6cc2b4a4bee65"
    },
    {
      "name": "Unstoppable Domains",
      "shortname": "UD",
      "smartContractAddress": "0xa9a6a3626993d487d2dbda3173cf58ca1a9d9e9f"
    }
  ]
}
```

#### 2. Set blockchain address for resolution

* POST `/api/v1/resolver/{asciiName}`
* This endpoint assigns a blockchain address to the item identified by the ASCII name provided in the path variable.
* Example:`https://apis.freename.io/api/v1/resolver/monopattinohello.metaverse`

#### Request Headers

| Name          | Description  | Required |
| ------------- | ------------ | -------- |
| Authorization | Bearer token | true     |

#### Request Body

```
{
    "address": "0xBc3c4559Ebcd85e4DB8EcbEb0038c880bFbD0d3E"
}
```

#### Request Body Parameters

| Parameter | Type   | Description                                           |
| --------- | ------ | ----------------------------------------------------- |
| address   | String | The blockchain address to be associated with the item |

#### Response

#### 200 OK

```
{
    "timestamp": "2025-03-05T11:49:46.471884",
    "message": "Blockchain address saved successfully.",
    "data": {
        "address": "0xBc3c4559Ebcd85e4DB8EcbEb0038c880bFbD0d3E"
    }
}
```