Synopsis:

‘API Authorization failure. User XXXXXXXXXXX is not authorized to use API DeliveryConfirmationV3’ message will prompt when tried generating a USPS Shipment Label

 

Solution:

"The user xxxxxxx is not authorized to use API DeliveryConfirmationV3" means that you needed permission to use the Delivery Confirmation API. Please call USPS and ask to enabled this option in your account.

 

Applicable Product:

All Connected Business 13

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