Informed Delivery API Technical Specifications v4.2.3 | PostalPro

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Informed Delivery API Technical Specifications v4.2.3

Informed Delivery API Technical Specifications v4.2.3

Technical Specs are based on v4.2.0 of the XML schemas.

This is the Technical Specifications guide for the Informed Delivery API - Release 4.3 on 3/30/2023

12-21-23 - New version to fix a few minor typos.

December 21, 2023

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Changelog

Updated testing scenarios to better reflect both Mail and Package testing scenarios.

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