Weight of package missing from USPS Shipping API label in ShipAccel
Learn why the weight of a package is not printed on a USPS Shipping API label printed in ShipAccel.
Products affected: ShipAccel
When printing a USPS Shipping API label using ShipAccel, the weight is not included on the label.
For Flat Rate boxes, the weight is not printed on the label.
Flat Rate boxes do not print the weight on the label, as the package can be up to 70 lbs. Customer Package USPS Shipping API labels will display the weight in the top left corner block of text.
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UPDATED: November 04, 2025