Cost+ integrates with Drupal Commerce 3.x on Drupal 10 or 11 through the official NoPayn Payment Gateway module. You need an active Cost+ merchant account, PHP 8.1+, and admin access to your Drupal site.
For the full step-by-step installation and configuration guide, visit our developer documentation: https://docs.costplus.io/docs/plugins/drupal-commerce.
Need help? Contact support@costplus.io.