USPS PostalPro

News from PostalPro.
For the latest updates, please review the USPS APIs Release Notes.
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This document outlines the CASS/MASS certified vendors list for RDI™ Cycle O.
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This document provides a list of active IV-MTR work to be as well as items completed in the current fiscal year. *Please note, Postal Pro is the only source for a current IV-MTR Development log as updates will be made on an ongoing basis.
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