> ## Documentation Index
> Fetch the complete documentation index at: https://api-docs.go54.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Update the Contact Information of a Domain

This command is used to update the contact information of a domain under your account.

## API Call

**POST** - `/domains/{domain}/contact`

### Request Parameters

| **Name**        | **Type** | **Required?** | **Description**                        |
| --------------- | -------- | ------------- | -------------------------------------- |
| `domain`        | `text`   | Yes           | Domain name                            |
| `contacts`      | `array`  | Yes           | Contact Details to be added or updated |
| `registrant`    | `array`  | Yes           | Registrant Contact Information         |
| └ `firstname`   | `text`   | Yes           | Registrant's first name                |
| └ `lastname`    | `text`   | Yes           | Registrant's last name                 |
| └ `fullname`    | `text`   | Yes           | Registrant's full name                 |
| └ `companyname` | `text`   | No            | Registrant's company name              |
| └ `email`       | `text`   | Yes           | Registrant's email address             |
| └ `address1`    | `text`   | Yes           | Registrant's address (line 1)          |
| └ `address2`    | `text`   | No            | Registrant's address (line 2)          |
| └ `city`        | `text`   | Yes           | Registrant's city                      |
| └ `state`       | `text`   | Yes           | Registrant's state                     |
| └ `zipcode`     | `text`   | Yes           | Registrant's postal/ZIP code           |
| └ `country`     | `text`   | Yes           | Registrant's country                   |
| └ `phonenumber` | `text`   | Yes           | Registrant's phone number              |
| `tech`          | `array`  | Yes           | Technical Contact Information          |
| └ `firstname`   | `text`   | Yes           | Technical contact's first name         |
| └ `lastname`    | `text`   | Yes           | Technical contact's last name          |
| └ `fullname`    | `text`   | Yes           | Technical contact's full name          |
| └ `companyname` | `text`   | No            | Technical contact's company name       |
| └ `email`       | `text`   | Yes           | Technical contact's email address      |
| └ `address1`    | `text`   | Yes           | Technical contact's address (line 1)   |
| └ `address2`    | `text`   | No            | Technical contact's address (line 2)   |
| └ `city`        | `text`   | Yes           | Technical contact's city               |
| └ `state`       | `text`   | Yes           | Technical contact's state              |
| └ `zipcode`     | `text`   | Yes           | Technical contact's postal/ZIP code    |
| └ `country`     | `text`   | Yes           | Technical contact's country            |
| └ `phonenumber` | `text`   | Yes           | Technical contact's phone number       |
| `billing`       | `array`  | Yes           | Billing Contact Information            |
| └ `firstname`   | `text`   | Yes           | Billing contact's first name           |
| └ `lastname`    | `text`   | Yes           | Billing contact's last name            |
| └ `fullname`    | `text`   | Yes           | Billing contact's full name            |
| └ `companyname` | `text`   | No            | Billing contact's company name         |
| └ `email`       | `text`   | Yes           | Billing contact's email address        |
| └ `address1`    | `text`   | Yes           | Billing contact's address (line 1)     |
| └ `address2`    | `text`   | No            | Billing contact's address (line 2)     |
| └ `city`        | `text`   | Yes           | Billing contact's city                 |
| └ `state`       | `text`   | Yes           | Billing contact's state                |
| └ `zipcode`     | `text`   | Yes           | Billing contact's postal/ZIP code      |
| └ `country`     | `text`   | Yes           | Billing contact's country              |
| └ `phonenumber` | `text`   | Yes           | Billing contact's phone number         |
| `admin`         | `array`  | Yes           | Administrative Contact Information     |
| └ `firstname`   | `text`   | Yes           | Admin contact's first name             |
| └ `lastname`    | `text`   | Yes           | Admin contact's last name              |
| └ `fullname`    | `text`   | Yes           | Admin contact's full name              |
| └ `companyname` | `text`   | No            | Admin contact's company name           |
| └ `email`       | `text`   | Yes           | Admin contact's email address          |
| └ `address1`    | `text`   | Yes           | Admin contact's address (line 1)       |
| └ `address2`    | `text`   | No            | Admin contact's address (line 2)       |
| └ `city`        | `text`   | Yes           | Admin contact's city                   |
| └ `state`       | `text`   | Yes           | Admin contact's state                  |
| └ `zipcode`     | `text`   | Yes           | Admin contact's postal/ZIP code        |
| └ `country`     | `text`   | Yes           | Admin contact's country                |
| └ `phonenumber` | `text`   | Yes           | Admin contact's phone number           |

### Sample Request

```php theme={null}
$endpoint ="https://www.whogohost.com/host/modules/addons/DomainsReseller/api/index.php";
$action = "/domains/example.com/contact";
$params = [
    "domain"    => "example.com",
    "contacts"  => [
        "registrant" => [
            "firstname" => "example",
            "lastname" => "testing",
            "fullname" => "example testing",
            "companyname" => "textmachine",
            "email" => "exam@gmail.com",
            "address1" => "4 office",
            "address2" => "",
            "city" => "Lag",
            "state" => "Lagos",
            "zipcode" => "110001",
            "country" => "Nigeria",
            "phonenumber" => "+234.812345678"
        ],
        "tech" => [
            "firstname" => "example",
            "lastname" => "testing",
            "fullname" => "example testing",
            "companyname" => "textmachine",
            "email" => "exam@gmail.com",
            "address1" => "4 office",
            "address2" => "",
            "city" => "Lag",
            "state" => "Lagos",
            "zipcode" => "110001",
            "country" => "Nigeria",
            "phonenumber" => "+234.87546898"
        ],
        "billing" => [
            "firstname" => "example",
            "lastname" => "testing",
            "fullname" => "example testing",
            "companyname" => "textmachine",
            "email" => "exam@gmail.com",
            "address1" => "4 office",
            "address2" => "",
            "city" => "Lag",
            "state" => "Lagos",
            "zipcode" => "110001",
            "country" => "Nigeria",
            "phonenumber" => "+234.812345678"
        ],
        "admin" => [
            "firstname" => "example",
            "lastname" => "testing",
            "fullname" => "example testing",
            "companyname" => "textmachine",
            "email" => "exam@gmail.com",
            "address1" => "4 office",
            "address2" => "",
            "city" => "Lag",
            "state" => "Lagos",
            "zipcode" => "110001",
            "country" => "Nigeria",
            "phonenumber" => "+234.812345678"
        ]
    ]
];

$headers = [
    "username: email@example.com",
    "token: ". base64_encode(hash_hmac("sha256", "1234567890QWERTYUIOPASDFGHJKLZXCVBNM", "email@example.com:".gmdate("y-m-d H")))
];

$curl = curl_init();

curl_setopt($curl, CURLOPT_URL, "{$endpoint}{$action}");
curl_setopt($curl, CURLOPT_POST, true);
curl_setopt($curl, CURLOPT_POSTFIELDS, http_build_query($params));
curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, true);
curl_setopt($curl, CURLOPT_HTTPHEADER, $headers);

$response = curl_exec($curl);
curl_close($curl);
```