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USPS API Update May 31st 2015 - What you need to know - Magento Shipping Extensions
USPS have updated their shipping rate API on May 31st 2015. As we always do, we’ve reviewed these updates and analyzed their potential impact on merchants running various versions of Magento. There are some impacting changes for merchants shipping to or from Canada, or those using Dimensional shipping. WHAT’S CHANGING Within the API update, the only …