
The FAST (Facilities Access and Shipment Tracking) system utilizes the PostalOne! system as the main communication platform with USPS® external customers.Īll customers needing access to the FAST system are required to become participants of the USPS Customer Gateway, starting in May 2009. The PostalOne!® FAST Web Services allow customers to automate appointment scheduling using the Web Services defined by the IDEAlliance® in the Mail.XML Specification available at or.


Mail.XML Automated Drop Shipment Scheduling Services
