The USPS Shipping Method plugin for WooCommerce will get real-time rates from the UPS API. The plugin work with domestic and International package.

Your USPS key must be for Production, contact USPS if you want them to enable it. Development key will not work.

Features

NEW Box Packing feature, add boxes and it will calculate which box and how much box to use

Rename default shipping name to suit your needs. With the included auto update, future updates will be available directly from Wordpress interface.

Domestic

• Priority Mail
• Express Mail
• Standard Post
• First-Class

International

• Express Mail International
• Priority Mail International
• Global Express Guaranteed
• First Class Package Service

Changelog:

v2.0.1? April 11 2014

• Fixed Multiple Tracking

v2.0.0 ? April 09 2014

• Added Multiple Tracking

v1.1.5 – March 28 2014

• Added Box Packing
• Updated SYN dependencies
• Cleanup code
• Changed error text

v1.1.4 ? March 26 2014

• Updated auto updater

v1.1.3 ? March 24 2014

• Added weight based shipping

v1.1.2 ? February 28 2014

• Fix 404 error

v1.0.9 ? February 24 2014

• Fix some international countries name preventing good rates
• Fix countries with no province

v1.0.8 ? January 28 2014

• Fix WC_Version notice

v1.0.3 ? April 25 2013

• Added a way to change shipping methods name
• Added update from Wordpress
• Fixed weight
• Fixed First Class Parcel

v1.0.2 ? April 24 2013

• Fixed post to USPS API