I have some software on my website. I would like to have a PayPal button on the site that the users have to use and buy 20 tokens to use app. So i need the backend of that so when the user buys 20 tokens he gets a serial key that the user will login with and then when the user use the app the tokens updates and falls when the user use the app.
17 freelancer đang chào giá trung bình $85 cho công việc này
Hello, please contact me I will do this task with quality. thanks. Relevant Skills and Experience contact me now Proposed Milestones $30 USD - php witch CMS used