One task I have put off from switching from osCommerce to ZenCart shopping cart platform, was updating the UPS XML contribution. For those familiar with the shopping cart system, you know by default they only support standard UPS shipping. The cart figures shipping all the items together in one box. However, some products can’t be shipped together, and distorts shipping quotes for UPS. The solution that evolved in osCommerce was using UPS shipping API to get detailed freight quotes.
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