Add Delivery Confirmation Capability to Your PHP Download Protection Software. EDDCS offers delivery confirmation for downloadable merchandise that goes way beyond software that simply tracks clicks. EDDCS monitors the entire download process ensuring that every byte is transferred to the recipient. As more and more products are offered in a downloadable digital format, an increased need for proof of delivery is on the rise. You can be on the leading edge of the battle against Internet fraud by offering EDDCS to your customers as a valuable resource. Help your customers protect themselves from Internet fraud by adding electronic delivery confirmation capability to your software. With our patent pending technology, easy to use PHP API code and integration examples, you can add this functionality as an option in your software products with minimal effort.