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Home > Setup & Configuration > Shipping Calculation > USPS Address Verification

USPS Address Verification

USPS's Address Verification service can help ensure that every address entered by a customer is a real address. This check is made when the customer creates an address, either on the registration page when first signing up, or through the account page later on.

 

NOTE:  The USPS Address Verification should only be used for USPS shipments.  Do not use this service if you plan to ship using other carriers.

To get access to the USPS Address Information APIs that are required for address validation, do the following steps:

 

1. If you already have a USPS Web Tools ID (for real time Rate Calculators) then skip directly to step 2, otherwise register for USPS Web Tools

 

 

2. Once you have your Web Tools ID, submit this form to request access to the Address Information APIs page.

 

 

3. The check box on the form that applies to you should be "U.S. Postal Service package shipments."

Setting USPS Web Tools ID.

1. Go to Configuration → Advanced → Settings
2. Set VerifyAddressesProvider.USPS.UserID appconfig to your USPS Web Tools ID.
3. Set VerifyAddressesProvider appconfig to ‘USPS’.

NOTE: You will notice that the service returned a valid response when the address is set in full UPPERCASE.

Limitations

The addresses are not validated for shipping addresses added during checkout when ‘AllowMultipleShippingAddressPerOrder’ appconfig is set to true.

 

Using this feature returns full ZIP+4 postal codes, so this will conflict with taxes when using Tax by Zip Code . We recommend not using this feature when using Tax by Zip Code. Consider Avalara AvaTax instead.



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