USPS Rate Calculator API being Retired

The USPS rate calculator for API “Rate” & “RateV2” are being retired. In its place is the new “RateV4” API. RateV4 API is ready now, the old API will be disabled August 24, 2011.


New CS-Cart version 2.1.3 has utilized this latest USPS API, not sure how much difficulty this is going to cause users on older versions such as, certainly going to be a problem.