USPS recently announced that effective February 23, 2018, the Web Tools No Postage Label option will be discontinued and labels with no postage will no longer be available.
How This Affects ShipWorks
When generating a no-postage USPS label using the USPS (w/o Postage) provider, the label will not be created and the below error will be returned.
For additional information, please see the USPS Elimination of No Postage Label Options through the Web Tools APIs FAQs.
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