Gravity Forms
+ Product Registration & Warranty

Product registration tells you who owns your products, proves when the warranty started and gives you a way to reach owners. The Gravity Forms Product Registration & Warranty Premium Add-on turns any Gravity Forms form into a registration form. When the form is submitted, the serial number is checked on your server against your own list of serial numbers or a format rule per model, and refused when it is unknown, already registered, blocked or from another model. Each serial can be registered only once, even when two people submit it at the same moment.

The add-on works out the warranty end date per model from the purchase date, with optional extra months for registering early, and saves it on the entry. Owners get a printable warranty certificate and can check their warranty later with the serial number and their e-mail address. "Warranty ends soon" and "warranty ended" messages go out as Gravity Forms notifications, and Forms → Warranty lists every registration with transfer, block and CSV export. Everything stays in your own WordPress database.

When the form is submitted, the add-on reads the serial number and looks it up in your serial list (or checks it against the model's format rule), checks the model and the purchase date, and claims the serial for this submission with one conditional database write, so it can be registered only once. When the entry is saved, the registration gets the owner's name and e-mail and the warranty end date worked out from the purchase date and the model. Merge tags, the signed certificate page, the look-up shortcode and a daily reminder job all read the same registration, and everything runs on your own server.