hi i am developing shopping cart site in which i want to use USPS(united states postal service)for shipping.can anybody know the fields which are to be required for this service.
+1
A:
Full details on the USPS API can be found here:
The fields that are required depend on which service you are using. The parcel tracking service, for example, requires only a username and tracking ID.
Colin Pickard
2010-07-14 13:59:32