curl --request POST \
  --url https://console.advinservers.com/api/v1/client/billing/managed-services/{service}/subscription \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "option": "paddle_once",
  "paypal_account": "555fcb9c-a003-4fa8-aae6-25d550922b5b"
}
'

import requests

url = "https://console.advinservers.com/api/v1/client/billing/managed-services/{service}/subscription"

payload = {
    "option": "paddle_once",
    "paypal_account": "555fcb9c-a003-4fa8-aae6-25d550922b5b"
}
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: JSON.stringify({option: 'paddle_once', paypal_account: '555fcb9c-a003-4fa8-aae6-25d550922b5b'})
};

fetch('https://console.advinservers.com/api/v1/client/billing/managed-services/{service}/subscription', 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://console.advinservers.com/api/v1/client/billing/managed-services/{service}/subscription",
  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([
    'option' => 'paddle_once',
    'paypal_account' => '555fcb9c-a003-4fa8-aae6-25d550922b5b'
  ]),
  CURLOPT_HTTPHEADER => [
    "Authorization: Bearer <token>",
    "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://console.advinservers.com/api/v1/client/billing/managed-services/{service}/subscription"

	payload := strings.NewReader("{\n  \"option\": \"paddle_once\",\n  \"paypal_account\": \"555fcb9c-a003-4fa8-aae6-25d550922b5b\"\n}")

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

	req.Header.Add("Authorization", "Bearer <token>")
	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://console.advinservers.com/api/v1/client/billing/managed-services/{service}/subscription")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"option\": \"paddle_once\",\n  \"paypal_account\": \"555fcb9c-a003-4fa8-aae6-25d550922b5b\"\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://console.advinservers.com/api/v1/client/billing/managed-services/{service}/subscription")

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

request = Net::HTTP::Post.new(url)
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"option\": \"paddle_once\",\n  \"paypal_account\": \"555fcb9c-a003-4fa8-aae6-25d550922b5b\"\n}"

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

{
  "transactionId": "txn_01m2gcs800msa9tpw20kdrzbgq",
  "checkoutUrl": "https://vps.advinservers.com/services/7398/billing?_ptxn=txn_01m2gcs800msa9tpw20kdrzbgq",
  "clientToken": "live_7d0b6c1f3e9a24c58b71e2f4d93",
  "environment": "production",
  "chargesNow": false,
  "firstChargeAt": "2026-10-11",
  "resumed": false,
  "active": true
}

{
  "message": "Unauthenticated."
}

{
  "message": "This API key is not allowed to do that in this team. It needs the \"snapshot.delete\" permission."
}

{
  "message": "Not found."
}

{
  "message": "The name field is required.",
  "errors": {}
}

{
  "message": "Too Many Attempts."
}