Free OpenCart Extension

Shipping Software Built for OpenCart

Free extension for OpenCart 4.x. Auto-sync orders, compare carrier rates, and print discounted shipping labels. No monthly fees.

Get the Free Extension
Free forever
OpenCart 4.x compatible
No credit card required
89%
Off USPS
75%
Off UPS
71%
Off FedEx
$0
Monthly Fee

Everything You Need to Ship OpenCart Orders

A complete shipping solution that plugs directly into your OpenCart store.

Free OpenCart Extension

One-click install for OpenCart 4.x. No complicated setup, no PHP knowledge required. Just install and connect.

Up to 89% Off Shipping

Access commercial rates from USPS, UPS, and FedEx. The same discounts that high-volume shippers get.

Auto-Sync Orders

New orders flow from OpenCart automatically via webhooks. No manual export, no CSV files, no delays.

Multi-Carrier Rates

Compare rates across USPS, UPS, and FedEx side by side. Pick the cheapest or fastest option every time.

Tracking Updates

Tracking numbers and delivery status sync back to your OpenCart orders automatically. Customers stay in the loop.

Bulk Label Printing

Print dozens of labels at once during busy periods. Supports thermal printers and standard paper.

Manual Shipping vs atoship

Stop copying tracking numbers by hand.

FeatureManual Shippingatoship
Rate ShoppingManualAutomated
Carrier DiscountsRetail ratesUp to 89% off
Order ImportManual entryAuto-sync
Tracking UpdatesManualAutomatic
Label PrintingOne at a timeBatch printing
Monthly CostN/A$0

How It Works

Up and running in under five minutes.

1

Install the Extension

Download the free atoship extension and upload it to your OpenCart 4.x admin panel. Takes about two minutes.

2

Connect Your Store

Enter your atoship API key in the extension settings. Your store connects securely over HTTPS.

3

Import Orders

Existing orders sync immediately. New orders come in automatically via webhook as customers place them.

4

Ship

Compare carrier rates, buy discounted labels, and print them. Tracking updates flow back to OpenCart.

Frequently Asked Questions

Which versions of OpenCart does the extension support?
The atoship extension works with OpenCart 4.x. It installs through the standard OpenCart extension installer in your admin panel.
How do orders sync from OpenCart?
Orders sync two ways: via webhooks (instant, triggered when a customer places an order) and via scheduled cron sync (runs every 30 minutes as a backup). You never miss an order.
Does tracking information sync back to OpenCart?
Yes. When a label is created and tracking updates come in, the order status in OpenCart updates automatically. Your customers see tracking info without you lifting a finger.
What carriers can I use with OpenCart orders?
You can ship with USPS, UPS, and FedEx - all at discounted commercial rates. Compare rates side by side and choose the best option for each package.
Is the extension really free?
Yes. The OpenCart extension is free, and atoship has no monthly fees. You only pay for the shipping labels you purchase, at discounted rates.
Can I use atoship with other sales channels too?
Absolutely. If you also sell on Shopify, Etsy, eBay, Amazon, WooCommerce, or other platforms, you can manage all your orders and shipping from one dashboard.

Start Shipping Smarter from OpenCart

Install the free extension and start printing discounted labels in minutes.

Get Started Free