Many WebAssist eCommerce tools such as eCart and PowerStore use the United States Postal Service (USPS) to provide shipping rate calculations for purchases.
This requires that you sign up for a free USPS Web Tools account, and obtain the required API key. This tutorial guides you through obtaining the necessary API key from USPS that you can use.
The USPS website provides a simple registration form that you must complete to gain access to the USPS Web Tools system.
You will see a confirmation page thanking you for registering. You should receive a confirmation email within 24 hours.
The confirmation email you receive from USPS will contain the information required for your shipping calculations.
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