Yes, I have searched the boards for previous topics on this and didn't find any that helped. I installed nopCommerce 3.1 on my server about a month ago. I have it all set up and it seems to work great except for the USPS shipping calculatiuon. I have contacted USPS and I am on the production server using the URL of http://production.shippingapis.com/ShippingAPI.dll. It keeps coming back with an authorization error stating that my username and/or password could be bad. I verified with USPS my credentials and all is good. Is there something I am missing in the setup. I can't seem to find a step-by-step setup on this. I am setting everything up in the "Confiuration>Shipping>Shipping Rate Computation Methods". Any help would be greatly appreciated.
I'm using the Dark Orange theme and during check out after picking your address and clicking continue on step 2 (Shipping address) you move to step 3 (Shipping Method) and this error appears: "USPS Error returned: Error Desc: Authorization failure. Perhaps username and/or password is incorrect."
I am getting this same error. I set up a new account with usps and I have vreified username/password many times. I even set up a new account to be sure there was nothing from the "old" profile that was preventing this from working.
I am also facing the same problem but now i have resolved the issue.You need to register in this url "https://registration.shippingapis.com/" and you will get the email with username and password use these credential hope it will successes for you also.
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