HSBC API is a custom set of PHP classes to build, submit and process all the transaction/XML data between your shopping cart and the HSBC XML API gateway. Allows complete transaction building and processing for any HSBC e-commerce customers
Signet uses iText to stamp watermarks on PDFs. It can be used within an online order fulfillment system to place transaction details (such as the date, or buyer's name and contact info) within a PDF prior to download, to discourage copyright violation.