Dev Tools · 2h ago
Build a Plugin-Free Newsletter Popup on WordPress with Custom REST Endpoint
A developer created a custom newsletter popup for WordPress that posts to a custom REST endpoint, which then calls Mailchimp's API server-side. This avoids loading Mailchimp's JavaScript or using a popup plugin, reducing page weight and improving brand control. The solution uses vanilla JS, a modal in wp_footer, and credentials stored in wp-config.php.
Meridian48 take
A practical, performance-conscious approach that shows how to avoid third-party bloat for a common feature, though it requires custom development skills.
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Building a Plugin-Free Newsletter Popup on WordPress: Custom REST Endpoint Mailchimp API v3 →
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