I am currently having a website built for me that consists of an online auction (ebay style) variety.. I wanted to build into it a shipping and label creation to go with the site..

The easy part was finding a shipping api that users could use to ship items.. but the problems of setting up such a thing are incredibly difficult. Such as figuring out a way to get the labels payed for if the site was to pay for the labels using the easypost api we are using.. So the way we have it setup is a...

User to User shipment processing using PayPal's shipnow in a Online Auction (Ebay Style)