Web Form Design in PayPal Interface Guide

by Luke Wroblewski November 12, 2009

web form designPayPal's open payments platform was recently made available to third-party developers. As part of the developer information and tools, PayPal released an Interface Design Guide that includes UI recommendations for services being launched on PayPal X and design principles to help developers create a good user interface. Several principles from Web Form Design are included in the guide:

PayPal X Interface Guide (3.7 MB)