# Mailchimp Manage newsletter subscriptions in your commerce application with Mailchimp. [Mailchimp Plugin Documentation](https://docs.medusajs.com/plugins/notifications/mailchimp) | [Medusa Website](https://medusajs.com/) | [Medusa Repository](https://github.com/medusajs/medusa) ## Features - Allow customers to subscribe to your newsletter. - Provides custom services and endpoints to give developers flexibility in how to implement newsletter subscription. --- ## Prerequisites - [Medusa backend](https://docs.medusajs.com/development/backend/install) - [Mailchimp account](https://mailchimp.com/signup) --- ## How to Install 1\. Run the following command in the directory of the Medusa backend: ```bash npm install medusa-plugin-mailchimp ``` 2\. Set the following environment variables in `.env`: ```bash MAILCHIMP_API_KEY= MAILCHIMP_NEWSLETTER_LIST_ID= ``` 3\. In `medusa-config.js` add the following at the end of the `plugins` array: ```js const plugins = [ // ..., { resolve: `medusa-plugin-mailchimp`, options: { api_key: process.env.MAILCHIMP_API_KEY, newsletter_list_id: process.env.MAILCHIMP_NEWSLETTER_LIST_ID, }, }, ] ``` --- ## Test the Plugin 1\. Run the following command in the directory of the Medusa backend to run the backend: ```bash npm run start ``` 2\. Use the POST or PUT `/mailchimp/subscribe` endpoint or the `MailchimpService` to subscribe to the newsletter. --- ## Additional Resources - [Mailchimp Plugin Documentation](https://docs.medusajs.com/plugins/notifications/mailchimp)