USER REVIEWS
Business::iDEAL::Adyen is a Perl module that provides a backend to process iDEAL payments through adyen.com (the non-HPP (Hosted Payment Pages) way).
A word of warning to start with (copied verbatim out of Adyen's iDEAL PDF):
A word of warning to start with (copied verbatim out of Adyen's iDEAL PDF):