curl --request PATCH \
  --url https://console.advinservers.com/api/v1/client/billing/managed-services/{service}/billing-cycle \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "billing_cycle": "quarterly"
}
'

import requests

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

payload = { "billing_cycle": "quarterly" }
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'PATCH',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: JSON.stringify({billing_cycle: 'quarterly'})
};

fetch('https://console.advinservers.com/api/v1/client/billing/managed-services/{service}/billing-cycle', 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}/billing-cycle",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "PATCH",
  CURLOPT_POSTFIELDS => json_encode([
    'billing_cycle' => 'quarterly'
  ]),
  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}/billing-cycle"

	payload := strings.NewReader("{\n  \"billing_cycle\": \"quarterly\"\n}")

	req, _ := http.NewRequest("PATCH", 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.patch("https://console.advinservers.com/api/v1/client/billing/managed-services/{service}/billing-cycle")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"billing_cycle\": \"quarterly\"\n}")
  .asString();

require 'uri'
require 'net/http'

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

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

request = Net::HTTP::Patch.new(url)
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"billing_cycle\": \"quarterly\"\n}"

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

{
  "service_id": 7312,
  "name": "Standard 4 GB",
  "hostname": "lambda-core.blackmesa.example.com",
  "status": "Active",
  "billing_cycle": "Monthly",
  "recurring_amount": "12.00",
  "currency": "USD",
  "server_id": "ecc6f4f1",
  "next_due_date": "2026-10-02",
  "period": {
    "starts_at": "2026-09-02",
    "ends_at": "2026-10-02",
    "total_days": 30,
    "days_remaining": 18,
    "days_overdue": 0,
    "remaining_fraction": 0.6,
    "state": "healthy"
  },
  "autopay": true,
  "autopay_ending": false,
  "subscription": {
    "uuid": "a216c52c-ccea-430f-b3bf-09aaf1025a44",
    "status": "active",
    "next_charge_at": "2026-10-02T19:15:08+00:00",
    "ends_at": null,
    "amount": "12.00",
    "currency": "USD"
  },
  "cancellation": null,
  "can_start_subscription": false,
  "can_cancel_subscription": true,
  "can_change_cycle": true,
  "can_cancel_service": true,
  "can_withdraw_cancellation": false,
  "immediate_refund": "7.20",
  "pays_from_credit": true,
  "can_change_credit": true,
  "autopay_provider": "paddle",
  "autopay_details": "active",
  "suspension_reason": null
}

{
  "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."
}