I need my web page integrated with a shopping cart called Ultracart. They have an API to do this.
My page is simple. It just asks for Shipping and Credit Card Info.
Here is the documentation Ultracart gives for the custom checkout API:
[url removed, login to view]
If you think you can do it, please PM me and I will send you the link to my page.
Please only bid if you are confident you can do the job quickly.