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Ecommerce API Technical Guides

 

Web Tools Release Notes

  • February 2013 RTF
  • January 2013 RTF

For technical questions, contact the Internet Customer Care Center at uspstechsupport@esecurecare.net

 

Read and download the following technical guides

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Step-by-Step Instructions for All USPS Web Tools
Development Guide PDF | HTM

Policies and Procedures for Software Distributors
Distributors Guide PDF | HTM

API User’s Guides
Address Information PDF | HTM
Customs Forms PDF | HTM
Development Guide PDF | HTM
Domestic Mail Service Standards PDF | HTM
Hold for Pickup Labels PDF | HTM
International Shipping Labels PDF | HTM
Merchandise Return Service Labels PDF | HTM
Online Express Mail® Labels PDF | HTM
Open and Distribute® Labels PDF | HTM
Package Pickup PDF | HTM
Rate Calculators PDF | HTM
Service Delivery Calculator PDF | HTM
Signature Confirmation™-Domestic Shipping Labels PDF | HTM
Track & Confirm PDF | HTM
USPS Tracking™-Domestic Shipping Labels PDF | HTM

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