import { MailChannels } from "mailchannels-sdk";

const { MAILCHANNELS_API_KEY, TRACKING_HOSTNAME } = process.env;
if (!MAILCHANNELS_API_KEY) throw new Error("Set MAILCHANNELS_API_KEY before running");
if (!TRACKING_HOSTNAME) throw new Error("Set TRACKING_HOSTNAME (e.g. click.example.com)");

const mailchannels = new MailChannels(MAILCHANNELS_API_KEY);

// Permanently delete a custom tracking domain by hostname and scope.
const { success, error } = await mailchannels.domains.customTracking.delete(TRACKING_HOSTNAME, "click");

if (!success) {
  console.error("Delete custom tracking domain failed:", error);
  process.exit(1);
}
console.log("Custom tracking domain deleted");

import os
import sys

import mailchannels

if not os.environ.get("MAILCHANNELS_API_KEY"):
    sys.exit("Set MAILCHANNELS_API_KEY before running")

hostname = os.environ.get("TRACKING_HOSTNAME")
if not hostname:
    sys.exit("Set TRACKING_HOSTNAME (e.g. click.example.com)")

# Permanently delete a custom tracking domain by hostname and scope.
response = mailchannels.CustomTrackingDomains.delete(hostname, "click")

print(response)

<?php

require_once __DIR__ . '/vendor/autoload.php';

use MailChannels\Client;
use MailChannels\Enum\CustomTrackingScope;

$api_key  = getenv('MAILCHANNELS_API_KEY') or exit("Error: MAILCHANNELS_API_KEY is not set\n");
$hostname = getenv('TRACKING_HOSTNAME') or exit("Error: TRACKING_HOSTNAME is not set\n");

$client = new Client(apiKey: $api_key);

// Permanently delete a custom tracking domain by hostname and scope.
$response = $client->customTrackingDomains->delete($hostname, CustomTrackingScope::Click);

echo "HTTP Status: " . $response->statusCode . "\n";

curl --request DELETE \
  --url https://api.mailchannels.net/tx/v1/custom-tracking-domains/{hostname}/{scope} \
  --header 'X-Api-Key: <x-api-key>'

{
  "errors": [
    "<string>"
  ]
}