MC4WP: Mailchimp for WordPress

What is MC4WP?

MC4WP: Mailchimp for WordPress is a dedicated plugin that connects your WordPress site to the Mailchimp email service. It allows visitors to subscribe to your newsletter through sign-up forms. The plugin was created by developer Danny van Kooten and has been actively maintained for 13 years. It currently holds over 1 million active installs and a 4.8 out of 5 star rating from 1,496 reviews. Of those reviews, 92% are 2% are one-star. The plugin was last updated on June 4, 2026, and supports PHP versions from 7.4 up to 8.5.

Its core purpose is simple: making newsletter sign-ups easy. The plugin provides ready-to-use forms and integrates with many popular WordPress plugins. It is well-documented through a knowledge base and supports a wide range of use cases, from small blogs to large ecommerce stores.

Key Features of MC4WP

• Quick API Connection: Connect your Mailchimp account in seconds using your API key, with no complex setup required.
• Customizable Sign-Up Forms: Build forms using native HTML, with full control over fields. Forms are mobile-optimized and accessible by default.
• Plugin Integrations: Works with 15+ popular plugins, including WooCommerce, Contact Form 7, Gravity Forms, WPForms, and BuddyPress.
• Shortcode & Gutenberg Block: Display forms anywhere using the [mc4wp_form] shortcode or the dedicated Gutenberg block.
• Custom Integration API: Add subscribers programmatically via a PHP API if your form plugin is not listed among the built-in integrations.
• WooCommerce Order Sync (Premium): Send purchase data to Mailchimp to track subscriber revenue and product preferences.
• Add-On Ecosystem: Extend functionality with add-ons like Mailchimp Top Bar and Boxzilla Pop-ups.
• Developer Hooks: Access filter and action hooks for customizing behavior, with a repository of example code snippets.

Who Should Use MC4WP?

This plugin is ideal for anyone running a WordPress site who wants to grow an email list. It suits beginners because the setup takes only a few minutes. The plugin also works for experienced developers who need deep customization via its PHP API. Small business owners benefit from Mailchimp's free tier, which supports lists up to 500 subscribers. Ecommerce stores using WooCommerce can leverage the premium add-on to track customer purchases.

The plugin is equally useful for bloggers, membership sites, and event managers. Its integrations with plugins like Events Manager and MemberPress make it a practical choice for sites that already rely on those tools. The 1 million+ active installs and 4.8 rating indicate broad satisfaction across different site types. If you prefer a simple, reliable way to connect WordPress with Mailchimp, this plugin is a strong candidate.

Installation & Setup

Installation is straightforward. You can search for "Mailchimp for WordPress" in your admin panel under Plugins > Add New, then click "Install Now". Alternatively, upload the plugin zip file to your /wp-content/plugins/ directory. After activation, the setup wizard guides you to enter your Mailchimp API key, which you can find in your Mailchimp account. No technical skills are needed to complete this process.

Support & Community

Support data from the last two months shows a 100% resolution rate, with 4 open threads and 4 resolved threads. This indicates responsive and effective assistance from the development team. The plugin's knowledge base offers detailed guides for common tasks, such as styling forms with CSS and integrating with other plugins. For premium users, direct email support is available.

The 92% five-star rating reflects consistent user satisfaction. The low 3% one-star rate suggests most issues are resolved quickly. The plugin is translated into multiple languages, and its GitHub repository invites community contributions. If you need help, the WordPress.org support forums and the knowledge base are reliable starting points.