US based Stamps.com, a service which allows you to purchase and print out USPS stamps online has expanded to include open source ecommerce shopping cart Zen Cart. With Stamps.com you can now generate postage labels from eBay, Yahoo! Merchant, Google Checkout, Paypal Shops as well as your own web site.
Additional Stamps.com features include hidden postage, insurance discounts, batch printing and thermal printer support. Plus Stamps.com has a return shipping label feature that allows customers to easily request a pre-paid shipping label for return of merchandise.
If you’re based in the US Stamps.com offer a four week free trial to get to know the service. From then on the cost is just $15.99/month.
