Create a basic MailChimp signup form using their API

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I\'m new to MailChimp and need some help.

With their basic newsletter signup form... you simply embed some prepackaged HTML into your page. However the problem with

MailChimp API v3.0

As per notification at the top of this page, all prior versions of the API will not be supported after 2016.

My solution uses PHP in the background for handling the API, and jQuery to facilitate the Ajax.

1) Download a PHP wrapper that supports API v3.0. As of this writing, there is nothing official listed in the latest MailChimp docs that supports v3.0, but several are listed on GitHub, so I selected this one.

2) Create the following PHP file, store-address.php, using your own API key and list ID, and then place it in the same directory as the wrapper from step one. Remember to follow the documentation for your wrapper, but they all seem fairly similar to this.

<?php // for MailChimp API v3.0

include('MailChimp.php');  // path to API wrapper downloaded from GitHub

use \DrewM\MailChimp\MailChimp;

function storeAddress() {

    $key        = "xxxxxxxxxxxxxxx-us1";
    $list_id    = "xxxxxx";

    $merge_vars = array(
        'FNAME'     => $_POST['fname'],
        'LNAME'     => $_POST['lname']
    );

    $mc = new MailChimp($key);

    // add the email to your list
    $result = $mc->post('/lists/'.$list_id.'/members', array(
            'email_address' => $_POST['email'],
            'merge_fields'  => $merge_vars,
            'status'        => 'pending'     // double opt-in
            // 'status'     => 'subscribed'  // single opt-in
        )
    );

    return json_encode($result);

}

// If being called via ajax, run the function, else fail

if ($_POST['ajax']) { 
    echo storeAddress(); // send the response back through Ajax
} else {
    echo 'Method not allowed - please ensure JavaScript is enabled in this browser';
}

3) Create your HTML/CSS/JavaScript(jQuery) form (It is not required to be on a PHP page, and the visitor will never see that PHP is being used in the background.)

The response is in JSON so you'll have to handle it correctly.

Here is what my index.html file looks like:

<form id="signup" action="index.html" method="get">
    First Name: <input type="text" name="fname" id="fname" />
    Last Name: <input type="text" name="lname" id="lname" />
    email Address (required): <input type="email" name="email" id="email" />
    <input type="submit" id="SendButton" name="submit" value="Submit" />
</form>
<div id="message"></div>

<script src="jquery.min.js"></script>
<script>
$(document).ready(function() {
    $('#signup').submit(function() {
        $("#message").html("Adding your email address...");
        $.ajax({
            url: 'inc/store-address.php', // proper url to your "store-address.php" file
            type: 'POST', // <- IMPORTANT
            data: $('#signup').serialize() + '&ajax=true',
            success: function(msg) {
                var message = $.parseJSON(msg),
                    result = '';
                if (message.status === 'pending') { // success
                    result = 'Success!  Please click the confirmation link that will be emailed to you shortly.';
                } else { // error
                    result = 'Error: ' + message.detail;
                }
                $('#message').html(result); // display the message
            }
        });
        return false;
    });
});
</script>

MailChimp API version 1:

(original answer)

After fumbling around for a while, I found a site using the PHP example with jQuery. From that I was able to create a simple HTML page with jQuery containing the basic sign-up form. The PHP files are "hidden" in the background where the user never sees them yet the jQuery can still access & use.

1) Download the PHP 5 jQuery example here... (EDIT: links are dead. However, the only important part is the official API wrapper for PHP which is available HERE.)

~~http://apidocs.mailchimp.com/downloads/mcapi-simple-subscribe-jquery.zip~~

If you only have PHP 4, simply download version 1.2 of the MCAPI and replace the corresponding MCAPI.class.php file above.

~~http://apidocs.mailchimp.com/downloads/mailchimp-api-class-1-2.zip~~

2) Follow the directions in the Readme file by adding your API key and List ID to the store-address.php file at the proper locations.

3) You may also want to gather your users' name and/or other information. You have to add an array to the store-address.php file using the corresponding Merge Variables.

Here is what my store-address.php file looks like where I also gather the first name, last name, and email type:

<?php

function storeAddress() {

    require_once('MCAPI.class.php');  // same directory as store-address.php

    // grab an API Key from http://admin.mailchimp.com/account/api/
    $api = new MCAPI('123456789-us2');

    $merge_vars = Array( 
        'EMAIL' => $_GET['email'],
        'FNAME' => $_GET['fname'], 
        'LNAME' => $_GET['lname']
    );

    // grab your List's Unique Id by going to http://admin.mailchimp.com/lists/
    // Click the "settings" link for the list - the Unique Id is at the bottom of that page. 
    $list_id = "123456a";

    if ($api->listSubscribe($list_id, $_GET['email'], $merge_vars , $_GET['emailtype'])) {
        // It worked!   
        return 'Success!&nbsp; Check your inbox or spam folder for a message containing a confirmation link.';
    } else {
        // An error ocurred, return error message   
        return '<b>Error:</b>&nbsp; ' . $api->errorMessage;
    }

}

// If being called via ajax, autorun the function
if($_GET['ajax']) { 
    echo storeAddress(); 
}

4) Create your HTML/CSS/jQuery form. It is not required to be on a PHP page.

Here is what my index.html file looks like:

<form id="signup" action="index.html" method="get">
    First Name: <input type="text" name="fname" id="fname" />
    Last Name: <input type="text" name="lname" id="lname" />
    email Address (required): <input type="email" name="email" id="email" />
    HTML: <input type="radio" name="emailtype" value="html" checked="checked" />
    Text: <input type="radio" name="emailtype" value="text" />
    <input type="submit" id="SendButton" name="submit" value="Submit" />
</form>
<div id="message"></div>

<script src="jquery.min.js"></script>
<script>
$(document).ready(function() {
    $('#signup').submit(function() {
        $("#message").html("Adding your email address...");
        $.ajax({
            url: 'inc/store-address.php', // proper url to your "store-address.php" file
            data: $('#signup').serialize() + '&ajax=true',
            success: function(msg) {
                $('#message').html(msg);
            }
        });
        return false;
    });
});
</script>

Required pieces...

index.html constructed as above or similar. With jQuery, the appearance and options are endless.
store-address.php file downloaded as part of PHP examples on Mailchimp site and modified with your API KEY and LIST ID. You need to add your other optional fields to the array.
MCAPI.class.php file downloaded from Mailchimp site (version 1.3 for PHP 5 or version 1.2 for PHP 4). Place it in the same directory as your store-address.php or you must update the url path within store-address.php so it can find it.

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不知归路

2020-12-02 05:13
Here's another example of using version 2.0 of the Mailchimp API using the Official PHP Wrapper.

The difference between my example and others posted here is that I'm using the subscribe method of the Mailchimp_Lists class, accessible through instantiation of the Mailchimp class (->lists), rather than the generic call method.
```
$api_key = "MAILCHIMP_API_KEY";
$list_id = "MAILCHIMP_LIST_ID";

require('Mailchimp.php');
$Mailchimp = new Mailchimp($api_key);
$subscriber = $Mailchimp->lists->subscribe($list_id, array('email' => $_POST['email']));

if ( ! empty($subscriber['leid'])) {
    // Success
}
```
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故里飘歌

2020-12-02 05:14

Here is an example using version 2.0 of Mailchimp API together with mailchimp-api (a minimal php abstraction class for dealing with the Mailchimp API).

<?php

include('MailChimp.php');

$MailChimp = new MailChimp('API_KEY');
$result = $MailChimp->call('lists/subscribe', array(
    'id'                => 'LIST_ID',
    'email'             => array( 'email' => $_POST['email'] ),
    'merge_vars'        => array(
        'MERGE2' => $_POST['name'] // MERGE name from list settings
        // there MERGE fields must be set if required in list settings
    ),
    'double_optin'      => false,
    'update_existing'   => true,
    'replace_interests' => false
));

if( $result === false ) {
    // response wasn't even json
}
else if( isset($result->status) && $result->status == 'error' ) {
    // Error info: $result->status, $result->code, $result->name, $result->error
}

?>

Read more about what you can send with the API call at the MailChimp API Documentation.

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