I have an issue when I try to create USPS Shipping Label on Magento 184.108.40.206 After click on 'Create Shipping Label' button and have filled 'Create Packages' form in popup I get the error message: "API Authorization failure. User <User ID> is not authorized to use API SignatureConfirmationV3.' In the beginning, I thought that the USPS user does not have special permissions for sending SignatureConfirmationV3 requests. But USPS support said that all permissions for my user is OK and attach the link to letter https://www.usps.com/business/web-tools-apis/letter-to-customers-usps-web-tools-label-api-eliminatio...
In the last answer USPS support sent to us next information about update on some of the Web Tools APIs. The answer was next: "To reiterate, the ability to create and print shipping labels that do not have postage applied will be eliminated. This will be impactful if you integrate directly with the APIs or if your shopping cart software or USPS shipping module utilizes the APIs. In summary, the following APIs will no longer be available effective February 23, 2018:
As I understand I will not be able to print Shipping Labels from admin panel anymore? Am I correct?
Can you please help me to solve the issue because I don't understand what should I do? What do I need to do to make everything work? Maybe someone else have encountered such an issue? Or maybe you have some patches?