Are you already using User Credits for WordPress but want to use PayPal as your payment gateway for receiving credits?
This is the plugin for you!
It’s simple to use – just follow the instructions provided – they are included in the readme.txt file and in the WordPress admin menu after you’ve activated the plugin.
Set up PayPal and then put the [obr_ipn_increase_credits] shortcode on your successful payment taken landing page, and you’re good to go.