Developers
Programmatically Adding a Newsletter Subscriber
You can use the add_noptin_subscriber function to programatically add a new email subscriber
How to Check if the Current User is Subscribed to Your Newsletter
The noptin_is_subscriber() function checks if the current visitor is subscribed to your newsletter
Using the REST API
Learn how to use the REST API to create, read, update, and delete email subscribers, and integrate Noptin with external apps and custom workflows.