Has anyone succeded in integration Gravity Forms info with WP PDF Stamper?
http://www.tipsandtricks-hq.com/wp-pdf-stamper/category/integration
Out of the box, the plugin works with Paypal button and IPN but I am looking for a way to use GF information.
(WP PDF Stamper allows you to mark your PDF files/ebooks with information like customer name, email, etc.)