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USPS API Changes

The forthcoming USPS rate changes have lead to some major changes in their API. Our USPS Advanced shipping module will support most of these changes. USPS Domestic and USPS International will only support changes that are applicable at the global level, e.g. the renaming of several international shipping methods. These two modules do not have the capability to support product or category-level changes, such as dimensional weights, the First Class mail types, etc.

5/13/07: USPS International users can download an update that will provide rate calculations using the new shipping method names. Click the "Check for upgrade" link within your module. The rate server appears to be working with these new names already


Version 4.004 of USPS Advanced is on the server.

Version 3.23 of USPS International is also available.

Last update: 2007-05-15 15:03

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