curl --request POST \
  --url https://api.superlink.me/v1/parentdomains/{parentDomain}/buy \
  --header 'Authorization: <api-key>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "domainContactDetails": {
    "address1": "15 Church St",
    "address2": "Door 25, The building",
    "city": "New York",
    "country": "US",
    "email": "nora.miller@gmail.com",
    "nameFirst": "Nora",
    "nameLast": "Miller",
    "phoneCountryCode": "+1",
    "phoneNumber": "1234123412",
    "postalCode": "12345",
    "state": "CA"
  }
}
'

import requests

url = "https://api.superlink.me/v1/parentdomains/{parentDomain}/buy"

payload = { "domainContactDetails": {
        "address1": "15 Church St",
        "address2": "Door 25, The building",
        "city": "New York",
        "country": "US",
        "email": "nora.miller@gmail.com",
        "nameFirst": "Nora",
        "nameLast": "Miller",
        "phoneCountryCode": "+1",
        "phoneNumber": "1234123412",
        "postalCode": "12345",
        "state": "CA"
    } }
headers = {
    "Authorization": "<api-key>",
    "Content-Type": "application/json"
}

response = requests.post(url, json=payload, headers=headers)

print(response.text)

const options = {
  method: 'POST',
  headers: {Authorization: '<api-key>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    domainContactDetails: {
      address1: '15 Church St',
      address2: 'Door 25, The building',
      city: 'New York',
      country: 'US',
      email: 'nora.miller@gmail.com',
      nameFirst: 'Nora',
      nameLast: 'Miller',
      phoneCountryCode: '+1',
      phoneNumber: '1234123412',
      postalCode: '12345',
      state: 'CA'
    }
  })
};

fetch('https://api.superlink.me/v1/parentdomains/{parentDomain}/buy', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://api.superlink.me/v1/parentdomains/{parentDomain}/buy",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "POST",
  CURLOPT_POSTFIELDS => json_encode([
    'domainContactDetails' => [
        'address1' => '15 Church St',
        'address2' => 'Door 25, The building',
        'city' => 'New York',
        'country' => 'US',
        'email' => 'nora.miller@gmail.com',
        'nameFirst' => 'Nora',
        'nameLast' => 'Miller',
        'phoneCountryCode' => '+1',
        'phoneNumber' => '1234123412',
        'postalCode' => '12345',
        'state' => 'CA'
    ]
  ]),
  CURLOPT_HTTPHEADER => [
    "Authorization: <api-key>",
    "Content-Type: application/json"
  ],
]);

$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);

if ($err) {
  echo "cURL Error #:" . $err;
} else {
  echo $response;
}

package main

import (
	"fmt"
	"strings"
	"net/http"
	"io"
)

func main() {

	url := "https://api.superlink.me/v1/parentdomains/{parentDomain}/buy"

	payload := strings.NewReader("{\n  \"domainContactDetails\": {\n    \"address1\": \"15 Church St\",\n    \"address2\": \"Door 25, The building\",\n    \"city\": \"New York\",\n    \"country\": \"US\",\n    \"email\": \"nora.miller@gmail.com\",\n    \"nameFirst\": \"Nora\",\n    \"nameLast\": \"Miller\",\n    \"phoneCountryCode\": \"+1\",\n    \"phoneNumber\": \"1234123412\",\n    \"postalCode\": \"12345\",\n    \"state\": \"CA\"\n  }\n}")

	req, _ := http.NewRequest("POST", url, payload)

	req.Header.Add("Authorization", "<api-key>")
	req.Header.Add("Content-Type", "application/json")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(string(body))

}

HttpResponse<String> response = Unirest.post("https://api.superlink.me/v1/parentdomains/{parentDomain}/buy")
  .header("Authorization", "<api-key>")
  .header("Content-Type", "application/json")
  .body("{\n  \"domainContactDetails\": {\n    \"address1\": \"15 Church St\",\n    \"address2\": \"Door 25, The building\",\n    \"city\": \"New York\",\n    \"country\": \"US\",\n    \"email\": \"nora.miller@gmail.com\",\n    \"nameFirst\": \"Nora\",\n    \"nameLast\": \"Miller\",\n    \"phoneCountryCode\": \"+1\",\n    \"phoneNumber\": \"1234123412\",\n    \"postalCode\": \"12345\",\n    \"state\": \"CA\"\n  }\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.superlink.me/v1/parentdomains/{parentDomain}/buy")

http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true

request = Net::HTTP::Post.new(url)
request["Authorization"] = '<api-key>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"domainContactDetails\": {\n    \"address1\": \"15 Church St\",\n    \"address2\": \"Door 25, The building\",\n    \"city\": \"New York\",\n    \"country\": \"US\",\n    \"email\": \"nora.miller@gmail.com\",\n    \"nameFirst\": \"Nora\",\n    \"nameLast\": \"Miller\",\n    \"phoneCountryCode\": \"+1\",\n    \"phoneNumber\": \"1234123412\",\n    \"postalCode\": \"12345\",\n    \"state\": \"CA\"\n  }\n}"

response = http.request(request)
puts response.read_body

This response has no body data.

{
  "errors": [
    {
      "field": "field",
      "info": "error message"
    }
  ]
}

{
  "errors": [
    {
      "field": "field",
      "info": "error message"
    }
  ]
}

{
  "message": "Internal server error"
}