How to activate Shopify shipping with USPS?


How to activate Shopify shipping with USPS?

After having negotiated a discounted rate with USPS, you now can activate the shipping in your Shopify store with USPS. And the discounted rate will be displayed when your customer checkout.

Step 1: Get a USPS user ID

Step 2: Register USPS

You will use the user ID to access to package tracking, service delivery standards APIs and rate with USPS when registering.


  • To register to USPS, your store has to be on the Advanced Shopify, Shopify Plus or have an upgraded calculated shipping plan.
  • If you have any problem with registration, contact USPS for the help.

That’s all. Registering with USPS is so simple so all of you can do it yourself.

Thanks for reading!

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