Simple php function to send an email with Mandrill

What is the easiest way to send an email via Mailchimp's Mandrill service (using the API).

Here's the send method:

Here's the API wrapper:

But I can't figure out how to make an PHP function that will send and email via Mandrill.

Can anyone help?


We also have an official API wrapper for PHP, which is available on Bitbucket or via Packagist, which wraps the Mandrill API for you.

If your Mandrill API key is stored as an environment variable, here's a simple example of sending using a template, with some merge variables and metadata:

require 'Mandrill.php';

$mandrill = new Mandrill(); 

// If are not using environment variables to specific your API key, use:
// $mandrill = new Mandrill("YOUR_API_KEY")

$message = array(
    'subject' => 'Test message',
    'from_email' => '',
    'html' => '<p>this is a test message with Mandrill\'s PHP wrapper!.</p>',
    'to' => array(array('email' => '', 'name' => 'Recipient 1')),
    'merge_vars' => array(array(
        'rcpt' => '',
        'vars' =>
                'name' => 'FIRSTNAME',
                'content' => 'Recipient 1 first name'),
                'name' => 'LASTNAME',
                'content' => 'Last name')

$template_name = 'Stationary';

$template_content = array(
        'name' => 'main',
        'content' => 'Hi *|FIRSTNAME|* *|LASTNAME|*, thanks for signing up.'),
        'name' => 'footer',
        'content' => 'Copyright 2012.')


print_r($mandrill->messages->sendTemplate($template_name, $template_content, $message));


Mandrill take HTTP POST requests for all of their API methods, and they take your input as a JSON string. Here's a basic example of sending an email. It uses cURL to do the HTTP request:

$uri = '';

$postString = '{
"key": "YOUR KEY HERE",
"message": {
    "html": "this is the emails html content",
    "text": "this is the emails text content",
    "subject": "this is the subject",
    "from_email": "",
    "from_name": "John",
    "to": [
            "email": "",
            "name": "Bob"
    "headers": {

    "track_opens": true,
    "track_clicks": true,
    "auto_text": true,
    "url_strip_qs": true,
    "preserve_recipients": true,

    "merge": true,
    "global_merge_vars": [

    "merge_vars": [

    "tags": [

    "google_analytics_domains": [

    "google_analytics_campaign": "...",
    "metadata": [

    "recipient_metadata": [

    "attachments": [

"async": false

$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $uri);
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true );
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true );
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
curl_setopt($ch, CURLOPT_POST, true);
curl_setopt($ch, CURLOPT_POSTFIELDS, $postString);

$result = curl_exec($ch);

echo $result;

// Simply Send Email Via Mandrill...

require_once 'Mandrill.php';
$mandrill = new Mandrill($apikey);

$message = new stdClass();
$message->html = "html message";
$message->text = "text body";
$message->subject = "email subject";
$message->from_email = "";
$message->from_name  = "From Name";
$message->to = array(array("email" => ""));
$message->track_opens = true;

$response = $mandrill->messages->send($message);

Include the PHP API:


You can use ZF's autoloading for including the wrapper class or Composer:

This is the most basic piece of code I could give you, I just craft it seconds ago for a client and it's working smooth.

require_once 'path/to/your/mandrill/file/Mandrill.php';
 try {
    $mandrill = new Mandrill('your-API-key');
    $message = array(
        'html' => $htmlMessage,
        'subject' => $subject,
        'from_email' => $fromEmail,
        'from_name' => $fromName,
        'to' => array(
                'email' => $toEmail,
                'name' =>  $toName,
                'type' => 'to'
    $result = $mandrill->messages->send($message);
} catch(Mandrill_Error $e) {
    echo 'A mandrill error occurred: ' . get_class($e) . ' - ' . $e->getMessage();
    throw $e;

Also check their send method for more options like headers, meta-data, attachments etc.

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