Step-By-Step Instructions:
Step 1: Register for your USPS API Account (this allows you to connect to USPS). Use this link to register https://registration.shippingapis.com/
Will use: => Exclusively on my website
Upon submission, you will receive a confirmation email. You will need the Web Tools ID for the next step.
Step 2: In Chabad Suite, Go to Administer > Localization > Address Settings (Scroll to the bottom)
Fill in the following fields:
Provider => USPS
User ID => Use the ID that they sent you in the email
Web Service URL => https://secure.shippingapis.com/ShippingAPI.dll
*Note: This USPS tool will standardize your addresses and also make all the address details UPPERCASE. If you want to make sure your addresses only have the first letter of each word capitalized, use the normalize tool by going to Administer > Custom Data and Screens > Normalize