Description
The USPS Shipping Plugin for WooCommerce allows you to automatically calculate USPS rates directly in the cart and at checkout, using official carrier data. Integration with your USPS account ensures updated rates according to weight, dimensions, and destination, keeping the quotation process organized and accurate.
Main Features
- Real-Time Rate Calculation
Displays updated USPS rates during checkout. - USPS Account Integration
Connect your account to use specific services and conditions. - Support for Multiple Services
Allows you to offer multiple USPS shipping methods. - Calculation by Weight and Dimensions
Considers product characteristics in freight calculation. - Price Adjustment Rules
Apply surcharges or discounts to returned rates. - Domestic and International Shipments
Allows you to calculate shipping for different regions and countries. - Clear Checkout Display
Shows shipping options organized for customer selection.
Benefits of USPS Shipping Plugin for WooCommerce
- Rate Accuracy: uses official USPS rates to prevent discrepancies.
- Freight Automation: eliminates manual calculations and reduces operational errors.
- More Logistics Control: centralizes shipping calculation in a single workflow.
Who Is It For?
- Stores that use USPS as the carrier.
- Operations that need automatic freight calculation.
- Businesses that conduct domestic and international shipments.
The USPS Shipping Plugin for WooCommerce organizes freight calculation based on official USPS rates, keeping the shipping process aligned with carrier conditions. Direct integration ensures consistent rates and greater control over options presented at purchase time.
Frequently asked questions
Is Octolize | USPS Shipping Plugin for WooCommerce – Live Rates PRO GPL-licensed?
Yes. Octolize | USPS Shipping Plugin for WooCommerce – Live Rates PRO is distributed under the GPL (GNU General Public License). You may legally use, modify and redistribute it on as many sites as you want.
Can I use Octolize | USPS Shipping Plugin for WooCommerce – Live Rates PRO on multiple sites?
Yes. You can use Octolize | USPS Shipping Plugin for WooCommerce – Live Rates PRO on multiple sites. The number of sites connected to Ultrapack Auto Updater is limited by your plan.
How much does Octolize | USPS Shipping Plugin for WooCommerce – Live Rates PRO cost at Ultrapack?
Octolize | USPS Shipping Plugin for WooCommerce – Live Rates PRO costs US$2.99 as a single purchase, and it is also included in the subscription plans starting at US$12/mo (VIP I).
Does Octolize | USPS Shipping Plugin for WooCommerce – Live Rates PRO include updates?
Yes. The current version of Octolize | USPS Shipping Plugin for WooCommerce – Live Rates PRO is 3.6.4, published at Ultrapack on Sep 22, 2026. Subscribers update straight from the WordPress dashboard with UAU (Ultrapack Auto Updater).
Is Octolize | USPS Shipping Plugin for WooCommerce – Live Rates PRO scanned before publication?
Yes. Every version of Octolize | USPS Shipping Plugin for WooCommerce – Live Rates PRO goes through a malware scan (ClamAV and YARA rules, at UltraHub) before it is published.
What are the requirements for the plugin Octolize | USPS Shipping Plugin for WooCommerce – Live Rates PRO?
Requires WordPress 6.4 or higher and PHP 7.4 or higher. Tested up to WordPress 7.1.
What changed in this version
Version 3.6.4 2026-09-21
- Support for WooCommerce 11.2
Version 3.6.3 2026-09-04
- Support for WooCommerce 11.1
Version 3.6.2 2026-08-17
- Updated dependencies
- Support for WordPress 7.1
Version 3.6.1 2026-07-20
- Support for WooCommerce 11.0
Version 3.6.0 2026-07-13
- Added an AI chat assistant to USPS settings
Release notes published by the developer.
How to install
Automatic updates: this item is updated by the Ultrapack Auto Updater. With it installed, the new version shows up in your dashboard like any other WordPress update (how to set it up).
- Download the file
flexible-shipping-usps-pro.zip. - In the WordPress dashboard, go to Plugins > Add New > Upload Plugin.
- Select the file
flexible-shipping-usps-pro.zipand click Install Now. - Click Activate.
Requirements: Requires WordPress 6.4 or higher and PHP 7.4 or higher. Tested up to WordPress 7.1.
Stuck on a step? Open a ticket telling us which one you stopped at.

UAU Ready