Mailchimp-subscribe-from-shopify is a project mainly written in PHP, based on the GPL-3.0 license.
Process a Web Hook from Shopify and subscribe the purchaser to a specific MailChimp list.
Process a Web Hook from Shopify and subscribe the purchaser to a specific MailChimp list.
See http://dialect.ca/code/mailchimp-subscribe-from-shopify/ for details.