USPS

The United States Postal Service is the independent postal service of United States government, offering domestic and international shipping services by land and air.

Features of the USPS plugin

• NEW: address validation
• USPS Domestic API v4 and USPS International API v2 using cURL
• All Domestic and International options included
• Options to enable / disable  Domestic or International quotes
• Different options for requesting quotes based Shipment strategy: Based on average weight of all the products in the order, Based on volume, or Each product sent as one package
• Automatically update shipping cost for the selected USPS shipping method when the cart is modified.
• Auto selection during checkout when only one service is available
• Ability to restrict USPS to some countries
• Weight Padding, Dimensions padding can be added
• Shipping costs based either
  • on cart weight, Supports cart with a weight greater than 70lbs, but not with products weight greater than 70lbs
  • each product sent as individual product
• Option to request for Commercial base postage quotes
• Domestic Handling Fee and International Handling Fee can be added to the USPS quotes
• Domestic Free shipping and International Free shipping for a minimum order amount
• Use of tax rules
• If needed, use of a proxy server (some hosts require the use of a proxy server)
• Extra services included: Registered Mail, Insurance, Return Receipt, ..
• Multivendor mode
• Own debug option

Easy to install

• Install the plugin via the extension manager,
• Go in the plugin manager, and enable it
• Go in VirtueMart, Shop > Shipment methods

Note:

• the version 1.16 handles the API changes of  January 27, 2013 
• version 1.26 handles the API changes of  28 July 2013