How to configure USPS on UENI Shops

Last updated by UENI on 21st May 2020

Note: Using this service will require the insertion of weights for all products on your store catalog. USPS will base the price upon weight.


1- Create an account on https://www.usps.com/ (if you have an account already skip this step)

2- Go to Register on the top menu

3- Click on “Sign Up Now” and follow their instructions.

4- After the registration is finished, you will receive a confirmation email similar to this one:

Now let’s follow to the next step.
5- Go to: https://registration.shippingapis.com/

6- Fill this form up using your business information:

7- Select the option “I agree to the terms and conditions of use”
8- Press on “Submit”

9- You will receive your api number on your email in few minutes:

10 – Go to your Ueni Shop Dashboard and and access Extensions>Extensions>Shipping

11- Find in the list “United States Postal Service”


12 – Press install

13 – Press Edit









14- Copy the user ID received in the second email from USPS ( The API email as below)

Copy the code from the email (ctrl+c)

15- Paste (ctrl+v) your user ID here and type your zip code

16- Select the services you will offer to your customers from USPS:

17- Insert the default size of your packaging for orders:

18 – Select the weight class according to your shop configuration:

19- Press Save

20- Simulate and order and check if you see the shipping method correctly

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