import { MailChannels } from "mailchannels-sdk";

const { MAILCHANNELS_API_KEY, FROM_EMAIL, TO_EMAIL } = process.env;
if (!MAILCHANNELS_API_KEY) throw new Error("Set MAILCHANNELS_API_KEY before running");
if (!FROM_EMAIL) throw new Error("Set FROM_EMAIL (must be on a Domain-Lockdown-authorized domain)");
if (!TO_EMAIL) throw new Error("Set TO_EMAIL");

const mailchannels = new MailChannels(MAILCHANNELS_API_KEY);

const { data, error } = await mailchannels.emails.send({
  from: { email: FROM_EMAIL, name: "Your Name" },
  to: { email: TO_EMAIL, name: "Recipient" },
  subject: "Hello from MailChannels",
  text: "Hello! This is a plain-text fallback for clients that don't render HTML.",
  html: "<p>Hello,</p><p>This is my first <strong>HTML</strong> email sent via the MailChannels Email API.</p>",
});

if (error) {
  console.error("Send 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")

from_email = os.environ.get("FROM_EMAIL")
to_email = os.environ.get("TO_EMAIL")
if not from_email:
    sys.exit("Set FROM_EMAIL (must be on a Domain-Lockdown-authorized domain)")
if not to_email:
    sys.exit("Set TO_EMAIL")

response = mailchannels.Emails.send(
    {
        "from": {"email": from_email, "name": "Your Name"},
        "to": [{"email": to_email, "name": "Recipient"}],
        "subject": "Hello from MailChannels",
        "text": "Hello! This is a plain-text fallback for clients that don't render HTML.",
        "html": (
            "<p>Hello,</p>"
            "<p>This is my first <strong>HTML</strong> email sent via the "
            '<a href="https://www.mailchannels.com/email-api/">MailChannels Email API</a>.</p>'
        ),
    }
)

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");
$from_email = getenv('FROM_EMAIL') or exit("Error: FROM_EMAIL is not set\n");
$to_email   = getenv('TO_EMAIL') or exit("Error: TO_EMAIL is not set\n");

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

$response = $client->emails->send([
    'from'    => ['email' => $from_email, 'name' => 'Your Name'],
    'to'      => ['email' => $to_email, 'name' => 'Recipient'],
    'subject' => 'Hello from MailChannels',
    'text'    => 'Hello! This is a plain-text fallback for clients that don\'t render HTML.',
    'html'    => '<p>Hello,</p><p>This is my first <strong>HTML</strong> email sent via the <a href="https://www.mailchannels.com/email-api/">MailChannels Email API</a>.</p>',
]);

print_r($response->toArray());

curl --request POST \
  --url https://api.mailchannels.net/tx/v1/send \
  --header 'Content-Type: application/json' \
  --header 'X-Api-Key: <x-api-key>' \
  --data '
{
  "content": [
    {
      "type": "<string>",
      "value": "<string>",
      "template_type": "mustache"
    }
  ],
  "from": {
    "email": "<string>",
    "name": "<string>"
  },
  "personalizations": [
    {
      "to": [
        {
          "email": "<string>",
          "name": "<string>"
        }
      ],
      "bcc": [
        {
          "email": "<string>",
          "name": "<string>"
        }
      ],
      "cc": [
        {
          "email": "<string>",
          "name": "<string>"
        }
      ],
      "dkim_domain": "<string>",
      "dkim_private_key": "<string>",
      "dkim_selector": "<string>",
      "dynamic_template_data": {},
      "headers": {},
      "subject": "<string>"
    }
  ],
  "subject": "<string>",
  "attachments": [
    {
      "content": "<string>",
      "filename": "<string>",
      "content_id": "<string>",
      "type": "<string>"
    }
  ],
  "campaign_id": "<string>",
  "dkim_domain": "<string>",
  "dkim_private_key": "<string>",
  "dkim_selector": "<string>",
  "headers": {},
  "tracking_settings": {
    "click_tracking": {
      "custom_domain_name": "<string>",
      "enable": false
    },
    "open_tracking": {
      "custom_domain_name": "<string>",
      "enable": false
    }
  },
  "transactional": true,
  "unsubscribe_settings": {
    "custom_domain_name": "<string>"
  }
}
'

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

{
  "request_id": "<string>",
  "results": [
    {
      "index": 123,
      "message_id": "<string>",
      "reason": "<string>",
      "status": "sent"
    }
  ]
}

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

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

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

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

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