USPS throws error for Canadian rates
Tags: USPS No CommentsUSPS recently updated their API and now requires the OriginZip when returning rates for Canandian addresses. Here's the fix.
Read MoreUSPS recently updated their API and now requires the OriginZip when returning rates for Canandian addresses. Here's the fix.
Read MoreQuick notes if you're having trouble with USPS methods.
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