curl --request POST \
  --url https://api.superlink.me/v1/market/purchase \
  --header 'Content-Type: application/json' \
  --data '
{
  "checkoutId": "92353d2b-c3f5-4b3b-b214-c34b490b7324",
  "domain": "firstname.lastname",
  "externalUserId": "248b8553-effa-4d99-a906-041a54f7df87",
  "ownerAddress": "0x1234567890abcdef1234567890abcdef12345678",
  "partnerId": "248b8553-effa-4d99-a906-041a54f7df87",
  "stripeConnectedAccountId": "acct_1J1Z2X2Y2Z2X2Y2Z",
  "walletAddrs": [
    {
      "addr": "0x1234567890abcdef1234567890abcdef12345678",
      "coinId": 60
    }
  ],
  "years": 1
}
'

import requests

url = "https://api.superlink.me/v1/market/purchase"

payload = {
    "checkoutId": "92353d2b-c3f5-4b3b-b214-c34b490b7324",
    "domain": "firstname.lastname",
    "externalUserId": "248b8553-effa-4d99-a906-041a54f7df87",
    "ownerAddress": "0x1234567890abcdef1234567890abcdef12345678",
    "partnerId": "248b8553-effa-4d99-a906-041a54f7df87",
    "stripeConnectedAccountId": "acct_1J1Z2X2Y2Z2X2Y2Z",
    "walletAddrs": [
        {
            "addr": "0x1234567890abcdef1234567890abcdef12345678",
            "coinId": 60
        }
    ],
    "years": 1
}
headers = {"Content-Type": "application/json"}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {'Content-Type': 'application/json'},
  body: JSON.stringify({
    checkoutId: '92353d2b-c3f5-4b3b-b214-c34b490b7324',
    domain: 'firstname.lastname',
    externalUserId: '248b8553-effa-4d99-a906-041a54f7df87',
    ownerAddress: '0x1234567890abcdef1234567890abcdef12345678',
    partnerId: '248b8553-effa-4d99-a906-041a54f7df87',
    stripeConnectedAccountId: 'acct_1J1Z2X2Y2Z2X2Y2Z',
    walletAddrs: [{addr: '0x1234567890abcdef1234567890abcdef12345678', coinId: 60}],
    years: 1
  })
};

fetch('https://api.superlink.me/v1/market/purchase', 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/market/purchase",
  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([
    'checkoutId' => '92353d2b-c3f5-4b3b-b214-c34b490b7324',
    'domain' => 'firstname.lastname',
    'externalUserId' => '248b8553-effa-4d99-a906-041a54f7df87',
    'ownerAddress' => '0x1234567890abcdef1234567890abcdef12345678',
    'partnerId' => '248b8553-effa-4d99-a906-041a54f7df87',
    'stripeConnectedAccountId' => 'acct_1J1Z2X2Y2Z2X2Y2Z',
    'walletAddrs' => [
        [
                'addr' => '0x1234567890abcdef1234567890abcdef12345678',
                'coinId' => 60
        ]
    ],
    'years' => 1
  ]),
  CURLOPT_HTTPHEADER => [
    "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/market/purchase"

	payload := strings.NewReader("{\n  \"checkoutId\": \"92353d2b-c3f5-4b3b-b214-c34b490b7324\",\n  \"domain\": \"firstname.lastname\",\n  \"externalUserId\": \"248b8553-effa-4d99-a906-041a54f7df87\",\n  \"ownerAddress\": \"0x1234567890abcdef1234567890abcdef12345678\",\n  \"partnerId\": \"248b8553-effa-4d99-a906-041a54f7df87\",\n  \"stripeConnectedAccountId\": \"acct_1J1Z2X2Y2Z2X2Y2Z\",\n  \"walletAddrs\": [\n    {\n      \"addr\": \"0x1234567890abcdef1234567890abcdef12345678\",\n      \"coinId\": 60\n    }\n  ],\n  \"years\": 1\n}")

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

	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/market/purchase")
  .header("Content-Type", "application/json")
  .body("{\n  \"checkoutId\": \"92353d2b-c3f5-4b3b-b214-c34b490b7324\",\n  \"domain\": \"firstname.lastname\",\n  \"externalUserId\": \"248b8553-effa-4d99-a906-041a54f7df87\",\n  \"ownerAddress\": \"0x1234567890abcdef1234567890abcdef12345678\",\n  \"partnerId\": \"248b8553-effa-4d99-a906-041a54f7df87\",\n  \"stripeConnectedAccountId\": \"acct_1J1Z2X2Y2Z2X2Y2Z\",\n  \"walletAddrs\": [\n    {\n      \"addr\": \"0x1234567890abcdef1234567890abcdef12345678\",\n      \"coinId\": 60\n    }\n  ],\n  \"years\": 1\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.superlink.me/v1/market/purchase")

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

request = Net::HTTP::Post.new(url)
request["Content-Type"] = 'application/json'
request.body = "{\n  \"checkoutId\": \"92353d2b-c3f5-4b3b-b214-c34b490b7324\",\n  \"domain\": \"firstname.lastname\",\n  \"externalUserId\": \"248b8553-effa-4d99-a906-041a54f7df87\",\n  \"ownerAddress\": \"0x1234567890abcdef1234567890abcdef12345678\",\n  \"partnerId\": \"248b8553-effa-4d99-a906-041a54f7df87\",\n  \"stripeConnectedAccountId\": \"acct_1J1Z2X2Y2Z2X2Y2Z\",\n  \"walletAddrs\": [\n    {\n      \"addr\": \"0x1234567890abcdef1234567890abcdef12345678\",\n      \"coinId\": 60\n    }\n  ],\n  \"years\": 1\n}"

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

{
  "checkoutId": "92353d2b-c3f5-4b3b-b214-c34b490b7324",
  "orderId": "92456d2b-c315-4b2b-b234-c674490b7324",
  "stripeCheckoutSession": "cs_1234567890abcdef1234567890abcdef",
  "stripeCustomerId": "cus_1234567890abcdef1234567890abcdef",
  "stripeEphemeralKey": "ek_test_1234567890abcdef1234567890abcdef",
  "stripePublishableKey": "pk_test_1234567890abcdef1234567890abcdef"
}

{
  "message": "Internal server error"
}