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USPS account connection

Pull rates direcly from USPS.

Easily connect to USPS with a secure one-time sign-in through Dashboard. Our integration with USPS uses their API to pull your live shipping rates so you get the most accurate shipping and landed cost calculations. In order to use this feature, you will need to follow the guidelines outlined in this document to connect and enable USPS service levels in your shipping zones and, as always, test to ensure it’s working properly.

Note: You can ship USPS with taxes included to any country where you are required to remit tax, provided the shipment is under the de minimis duty. Canada is the only country where prepayment of tax and duty is available on all shipments with USPS.

Connect USPS

Go to Dashboard -> Settings -> Rates.
Click Add carrier.
Select USPS.
Enter your USPS account number.
Click Save to finish.

Start using USPS rates

Now that you have USPS account connected, you will need to do the following to begin using USPS for shipping quotes:

Create shipping zones - Shipping zones allow you to have different service levels, rules, and shipping rates for different countries or groups of countries.
Enable USPS service levels - Enabling service levels in the zones that you want to use them in allows you to offer different service levels to different zones.
Test your shipping - Test your shipping to make sure everything is working properly and being displayed as intended before being used in production or going live on your website.

Important: You must have item weights set for each item in your shopping cart platform in order to get accurate shipping quotes. If you have items or boxes larger than 11” on any side, your items may need to be calculated with dimensional weight to get accurate quotes. Please contact support for options.

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