In your store's Admin area, go to the Extensions > Shippings > USPS
If you offer USPS as a shipping option, your customers will see available USPS shipping rates at checkout, for delivery to their selected address.
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User ID: - Fill your USPS credentials in the User ID field.
| Warning |
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USPS should email you the user id and password. If not contact USPS to confirm your USPS User ID. You should call USPS (800-344-7779) to activate your account on the production servers. (USPS extension needs the User ID set using the USPS USERID assigned to you for Rate Quotes/ShippingAPI. Not the user id you might have to login USPS website) |
Password: - required
Zip Code: - Zip/Postal code of the starting location of your package.
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