help with gravity form plugin development

I need help finishing off a plugin for gravity froms its only a few hours work but i have to wait to pay once make a couple of sales. Tasks need help with our 1. Intergrate Evento account for notification of Upgrades 2 Inlcude API Key inot plugin 3. Upgrade plugin to work with lattest version of gravity forms I will be only paying once i see completed code and verified in an install of wordpress on my server I will explain in more details with the choosen applicant.