Cart32 partners with many different businesses to give our clients the exact shopping cart they need. Third-party payment processors like PayPal and Square help you get your money instantly. Cart32 also integrates the accounting software QuickBooks should you need it. Cart32 is sure to have the integration you need to be a successful e-commerce business with all these features!


PayPal is the fast, easy, and secure way to accept all major credit cards and Bill Me Later® online.* Your customers don't need a PayPal account to pay, and you get your money instantly.

* Bill Me Later® is subject to consumer credit approval, as determined by the lender WebBank, Salt Lake City, Utah.

United States Postal Service (USPS)

Want to offer real time shipping rates, but don't have a UPS or FedEx account? No worries! USPS offers real time shipping rates free of charge, allowing your customers to see their shipping first hand!

Federal Express (FedEx)

Have a FedEx account? Cart32 integrates with the popular shipping company to allow you to bring real time FedEx rates to your customers!


Quickbooks is a great tool to manage your inventory and payments. Now, Cart32 has an automated process within the cart to import its orders directly into your Quickbooks account.

American Express® Gateway

New to Cart32, the American Express® Payment Gateway enables merchants to conduct their business through a secure platform that meets their e-commerce and digital payment business needs.

71 lbs.

71 lbs. lets you get UPS and FedEx refunds you are due. Set it, forget it, and get refunds!

VIPparcel for USPS Discounted Rates

VIPparcel offers you discounted rates from the United States Postal Service. Calculate postage and print official USPS labels with discounted postage directly inside of the Cart32 admin panel.

A VIPparcel account is required to use this service.

United Parcel Service (UPS)

Want to provide customers with the great deals you get on UPS shipping rates? Cart32 integrates tightly with this shipping provider so that you can share the savings!


TaxCloud is an affordable, easy-to-use sales tax management service for retailers. It handles every aspect of sales tax, from calculation to collection to filing, and it's nearly free*.

*For more information on what is and is not provided by TaxCloud's free services, visit


Avalara works within your own financial, billing, e-commerce, or point of sale system to deliver accurate tax calculations in real-time via a secure Internet connection.

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