Live rates for USPS and WooCommerce by Flexible Shipping


The best free plugin to display the USPS live rates

Use this free USPS WooCommerce Live Rates plugin to offer your customers the USPS shipping options for domestic and international shipping. Don’t waste your time, enter your USPS credentials and set everything up in your shop effortlessy in just 5 minutes! Show your clients the USPS shipping services with their dynamically calculated real prices in the cart and checkout. One the USPS API connection is established, the shipping cost for each USPS service is calculated real-time based on the products’ weight, shop location and delivery destination.

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  • Automatic shipping costs calculation and displaying the USPS live rates in the cart and checkout
  • Domestic and international USPS services’ support
  • USPS services’ shipping cost calculation based on the cart weight and the shipping destination
  • USPS Commercial Pricing support
  • Limiting services only for those available for the customer’s address
  • Manual USPS services limiting and possibility to choose which services should be displayed and which not
  • Possibility to set the fixed fallback amount in case no USPS rates were returned
  • Free shipping over amount threshold
  • Possibility to add the shipment insurance
  • Dedicated debug mode for easy troubleshooting

PRO Features

  • Automatic multiple products box packing algorithm based on their weight and volume
  • Possibility to define the custom boxes used for shipping and specify their size, weight and padding
  • Fixed and percentage handling fees or discounts for USPS rates
  • Custom Origin allowing to use the different shipper’s address than the default defined in the WooCommerce settings
  • Multi-currency support

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Actively developed and supported

The USPS WooCommerce Live Rates plugin is constantly being developed by WP Desk. Our plugins are used by over 90.000 WooCommerce stores worldwide. Over the years we proved to have become not only the authors of stable and high-quality plugins, but also as a team providing excellent technical support. Join the community of our satisfied plugins’ users. Bet on quality and let our plugins do the rest.

Conditional Shipping Methods

Extend the plugin functionalities and conditionally display or hide the USPS shipping methods in your WooCommerce store. Define the rules when the specific shipping methods should be available to pick and when not to. Hide the USPS shipping methods based on numerous conditions – Products (Shipping Class, Product Category), Location, Cart Weight or Value and Time (Day of the Week, Hour of the Day).

Buy Conditional Shipping Methods now →


View USPS WooCommerce Live Rates Docs

Why should you choose our USPS WooCommerce Live Rates plugin as a shipping integration in your shop?

Our USPS for WooCommerce plugin is a free USPS integration allowing to display live rates for USPS services in your shop. It combines the powerful and useful features with USPS quality and reliability as a world-known trademark. Trust our experience and move your business forward with our latest plugin!


  • USPS general settings.
  • USPS custom services' settings.
  • USPS shipping method at the checkout.


This plugin can be easily installed like any other WordPress integration by following the steps below:

  1. Download and unzip the latest zip file release.
  2. Upload the entire plugin directory to your /wp-content/plugins/ path.
  3. Activate the plugin using the Plugins menu in WordPress sidebar menu.

Optionally you can also try to upload the plugin zip file using Plugins -> Add New -> Upload Plugin option from the WordPress sidebar menu. Then go directly to point 3.


How can I configure USPS services?

To determine which USPS services should be available for the customers to choose, use the Services: Enable the services custom settings option and select from the Services Table the ones you want to be displayed.


November 16, 2021
This plugin is very well made! Now I don't have to install Jetpack just for the shipping plugin! The free plugin is all most people will ever have to use, but it's nice to know that the PRO version gives you priority support if you ever need it.
November 10, 2021
Yet again great utility plugin. Very useful, works like a charm 😉
Read all 2 reviews

Contributors & Developers

“Live rates for USPS and WooCommerce by Flexible Shipping” is open source software. The following people have contributed to this plugin.



1.0.3 – 2021-11-15

  • Fixed Api Connection Status checker

1.0.2 – 2021-11-08

  • Added support for WooCommerce 5.9
  • Fixed services settings

1.0.1 – 2021-10-25

  • Commercial Rate settings moved to Rate Adjustments section

1.0.0 – 2021-10-22

  • First release!