import { MailChannels } from "mailchannels-sdk";

const { MAILCHANNELS_API_KEY, DOMAIN, CURRENT_SELECTOR, NEW_SELECTOR } = process.env;
if (!MAILCHANNELS_API_KEY) throw new Error("Set MAILCHANNELS_API_KEY before running");
if (!DOMAIN) throw new Error("Set DOMAIN (the sending domain, e.g. example.com)");
if (!CURRENT_SELECTOR) throw new Error("Set CURRENT_SELECTOR (the active key to rotate out)");
if (!NEW_SELECTOR) throw new Error("Set NEW_SELECTOR (the selector for the new active key)");

const mailchannels = new MailChannels(MAILCHANNELS_API_KEY);

const { data, error } = await mailchannels.domains.dkim.rotate(DOMAIN, CURRENT_SELECTOR, {
  newKey: { selector: NEW_SELECTOR },
});

if (error) {
  console.error("Rotate DKIM key failed:", error);
  process.exit(1);
}
console.log(data);

import os
import sys

import mailchannels

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

domain = os.environ.get("DOMAIN")
current_selector = os.environ.get("CURRENT_SELECTOR")
new_selector = os.environ.get("NEW_SELECTOR")
if not domain:
    sys.exit("Set DOMAIN (the sending domain, e.g. example.com)")
if not current_selector:
    sys.exit("Set CURRENT_SELECTOR (the active key to rotate out)")
if not new_selector:
    sys.exit("Set NEW_SELECTOR (the selector for the new active key)")

response = mailchannels.Dkim.rotate(
    domain,
    current_selector,
    new_selector=new_selector,
)

print(response)

<?php

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

use MailChannels\Client;

$api_key          = getenv('MAILCHANNELS_API_KEY') or exit("Error: MAILCHANNELS_API_KEY is not set\n");
$domain           = getenv('DOMAIN') or exit("Error: DOMAIN is not set\n");
$current_selector = getenv('CURRENT_SELECTOR') or exit("Error: CURRENT_SELECTOR is not set\n");
$new_selector     = getenv('NEW_SELECTOR') or exit("Error: NEW_SELECTOR is not set\n");

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

$response = $client->dkim->rotate($domain, $current_selector, $new_selector);

print_r($response->toArray());

curl --request POST \
  --url https://api.mailchannels.net/tx/v1/domains/{domain}/dkim-keys/{selector}/rotate \
  --header 'Content-Type: application/json' \
  --header 'X-Api-Key: <x-api-key>' \
  --data '
{
  "new_key": {
    "selector": "<string>"
  }
}
'

{
  "new_key": {
    "algorithm": "<string>",
    "domain": "<string>",
    "public_key": "<string>",
    "selector": "<string>",
    "created_at": "2023-11-07T05:31:56Z",
    "dkim_dns_records": [
      {
        "name": "<string>",
        "type": "TXT",
        "value": "<string>"
      }
    ],
    "gracePeriodExpiresAt": "2023-11-07T05:31:56Z",
    "key_length": 123,
    "retiresAt": "2023-11-07T05:31:56Z",
    "status_modified_at": "2023-11-07T05:31:56Z"
  },
  "rotated_key": {
    "algorithm": "<string>",
    "domain": "<string>",
    "public_key": "<string>",
    "selector": "<string>",
    "created_at": "2023-11-07T05:31:56Z",
    "dkim_dns_records": [
      {
        "name": "<string>",
        "type": "TXT",
        "value": "<string>"
      }
    ],
    "gracePeriodExpiresAt": "2023-11-07T05:31:56Z",
    "key_length": 123,
    "retiresAt": "2023-11-07T05:31:56Z",
    "status_modified_at": "2023-11-07T05:31:56Z"
  }
}

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