USPS Ship

USPS Ship is a platform for commercial package payment, verification and visibility.1PostalPro: USPS Ship“USPS Ship is a modernized platform enabling commercial package payment, verification, and end-to-end visibility for a wide array of domestic and international products.”USPS original It serves commercial manifest shippers, the businesses that send USPS an electronic manifest for their packages.3Guide to USPS Shippage 3“USPS Ship significantly improves manifest processing, package pricing, verification, and payment for commercial manifest shippers.”USPS original

USPS Ship prices domestic and international package products, such as Priority Mail and Parcel Select Ground.4USPS Ship Tech Sheetpage 2“USPS Ship supports postage calculation and adjustment for Domestic and International Package Products”USPS original It also supports USPS Connect Local, USPS Connect Regional and USPS Returns.4USPS Ship Tech Sheetpage 2“USPS Ship also supports USPS Connect Local, USPS Connect Local Mail, USPS Connect Regional,”USPS original

USPS Ship uses package attributes captured on mail processing equipment, so it can price each package on its own.1PostalPro: USPS Ship“USPS Ship leverages upgrades to existing Mail Processing Equipment (MPE) to provide detailed package attributes and the ability to price each package individually.”USPS original It takes payment through the Enterprise Payment System, the USPS payment platform.1PostalPro: USPS Ship“USPS Ship utilizes the Postal Service’s payment processing platform Enterprise Payment System.”USPS original A shipper enrolled in USPS Ship needs an Enterprise Payment Account.1PostalPro: USPS Ship“An Enterprise Payment Account (EPA) is required for mailers enrolled in Package Platform.”USPS original

USPS Ship was earlier called the Package Platform Concept.5eVS/USPS Ship Comparison Fact SheetPDF page 1“Package Platform Concept (PPC) is now USPS Ship.”USPS original It replaces eVS, the electronic verification system, which USPS is retiring.6USPS Ship Frequently Asked Questionspage 1“No, it is replacing eVS.”USPS original7eVS to USPS Ship Migration Tech Sheetpage 1“The Postal Service is retiring the electronic verification system (eVS).”USPS original eVS customers had to move to USPS Ship or USPS APIs by February 2025.7eVS to USPS Ship Migration Tech Sheetpage 1“eVS customers must migrate to USPS Ship or USPS APIs by February 2025.”USPS original

USPS Ship works from two kinds of data about each package: the manifest the shipper sends and the scans USPS captures.3Guide to USPS Shippage 3“USPS Ship uses manifest data, scan data, and package attributes to validate accurate postage payment.”USPS original It prices each package from the manifest, then adjusts the price when the scans show something different.3Guide to USPS Shippage 3“captured attributes are compared to the manifested attributes to determine if there are discrepancies in postage”USPS original

A shipper enrolls with three identifiers: a Customer Registration ID, a Mailer ID and an Enterprise Payment Account.3Guide to USPS Shippage 3“USPS Ship offers streamlined enrollment using a Customer Registration ID (CRID), Mailer ID (MID), and Enterprise Payment Account (EPA).”USPS original

The manifest is a Shipping Services File, in version 1.6, 1.7 or 2.0.8Guide to USPS Shippage 6“Customers may create and submit a manifest file (SSF version 1.6, 1.7, or 2.0) including rate ingredients (weight, dimensions, packaging, entry) postage, and payment method for each package to USPS via PDX, SFTP, or AS2.”USPS original It gives each package's rate ingredients, postage and payment method.8Guide to USPS Shippage 6“postage, and payment method for each package to USPS via PDX, SFTP, or AS2”USPS original

When the manifest has a package USPS Ship cannot price, advanced processing logic corrects the wrong pricing elements.8Guide to USPS Shippage 6“If the individual packages cannot be priced, then advanced processing logic is used to update the incorrect pricing elements.”USPS original The IV-MTR data feeds show which elements changed.8Guide to USPS Shippage 6“Details on updated pricing elements can be found in the IV-MTR data feeds.”USPS original

Shippers moving from eVS change nothing in the content or transmission of their Shipping Services Files.6USPS Ship Frequently Asked Questionspage 1“You will not need to make any changes to the content or the transmission of the SSF.”USPS original Tracking is not part of USPS Ship: it is in Product Tracking and Reporting.6USPS Ship Frequently Asked Questionspage 1“Shipping status and tracking is available in Product Tracking and Reporting (PTR), not USPS Ship.”USPS original

USPS Ship runs its validations at the manifest, sampling and scan levels.2Guide to USPS Shippage 7“These are performed at the manifest, sampling, and scan levels”USPS original They compare the attributes USPS captures with the ones the shipper claims, to find postage differences between the manifest and the package.2Guide to USPS Shippage 7“Captured attributes are compared to claimed attributes to determine if there are postage differences between the manifest and physical package.”USPS original

Census and MisShipped postage is charged when the package is delivered.2Guide to USPS Shippage 7“Postage for Census, including Census Attribute and Mis-shipped Verification, is aggregated upon package delivery”USPS original Unmanifested, Package Quality and SQA postage is collected on the 16th of the following month.12Guide to USPS Shippage 9“Postage for unmanifested packages will be collected on the 16th of the following month.”USPS original2Guide to USPS Shippage 7“Postage for Package Quality Noncompliance will be collected on the 16th of the following month.”USPS original11Guide to USPS Shippage 8“Postage for SQA will be collected on the 16th of the following month.”USPS original

When an unmanifested or duplicate package has no scan attributes, USPS Ship prices it at the shipper's monthly average weight.13USPS Ship Monthly Averages Tech Sheetpage 1“USPS Ship leverages a shipper’s monthly average weight across 30 or 90 days when an Outbound Unmanifested or Duplicate package does not have scan attributes, or when a Returns package does not have a manifest or scan attributes.”USPS original The Attribute Based Pricing Ratio decides between the 30-day and the 90-day average.13USPS Ship Monthly Averages Tech Sheetpage 1“The ratio is used to determine if packages without attributes will be priced using a 30-day average weight or a 90-day average weight.”USPS original The ratio is the packages priced with scan attributes divided by all packages priced.13USPS Ship Monthly Averages Tech Sheetpage 1“Attribute Based Pricing Ratio is defined as the number of packages priced with scan attributes divided by the total number of packages priced.”USPS original

USPS Ship gives package, transaction and adjustment details in two forms: IV-MTR data feeds and online reports.3Guide to USPS Shippage 3“Individual package level details, transaction details, and adjustment details are available for review and download”USPS original The online reports come in CSV and Excel formats.3Guide to USPS Shippage 3“reports in CSV and Excel formats”USPS original

IV-MTR is the USPS Informed Visibility Mail Tracking & Reporting application.14USPS Ship Package Data Feedspage 1“Mail Tracking & Reporting (IV-MTR) application”USPS original For USPS Ship, it gives shippers data on the transactions and adjustments for their packages.14USPS Ship Package Data Feedspage 1“IV-MTR provides shippers with valuable insights into transactions”USPS original Both package and adjustment transactions are debited from the Enterprise Payment Account.14USPS Ship Package Data Feedspage 1“Package and adjustment transactions are both debited from an Enterprise Payment”USPS original

The USPS Ship Data Dictionary describes each data feed's fields.15Guide to USPS Shippage 25“Detailed data field descriptions for each data feed can be found in the USPS Ship Data Dictionary.”USPS original

eVS customers had to move to USPS Ship or USPS APIs by February 2025.7eVS to USPS Ship Migration Tech Sheetpage 1“eVS customers must migrate to USPS Ship or USPS APIs by February 2025.”USPS original The USPS Ship Pilot let shippers see USPS Ship process their manifests while eVS still collected postage.7eVS to USPS Ship Migration Tech Sheetpage 1“USPS Ship Pilot allows shippers to see how manifest and scans are processed in USPS Ship while postage collection and validations continue through eVS.”USPS original

The Mailing & Shipping Solutions Center switches a profile from Pilot to Live on the first day of a month.16eVS to USPS Ship Migration Tech Sheetpage 6“USPS MSSC will switch the USPS Ship profile from Pilot to Live on the first day of the month.”USPS original After that, manifest and pricing adjustments are charged in USPS Ship, not eVS.16eVS to USPS Ship Migration Tech Sheetpage 6“Manifest and pricing adjustments will occur in USPS Ship and will no longer be charged in eVS.”USPS original

As of January 6, 2026, shippers may still use eVS labels instead of USPS Ship labels.6USPS Ship Frequently Asked Questionspage 1“Updated January 6, 2026 … You do not have to start using USPS Ship labels right now, you can still use eVS labels.”USPS original

An unmanifested warning starts when USPS Ship finds no manifest for a scanned package.12Guide to USPS Shippage 9“If a manifest is not found, an unmanifested warning is triggered.”USPS original USPS Ship looks for a matching manifest up to 120 days back.12Guide to USPS Shippage 9“USPS Ship will associate every package scan from Mail Processing Equipment (MPE) to a package manifest up to 120 days in the past.”USPS original It keeps trying until the 7th of the following month.12Guide to USPS Shippage 9“USPS Ship will attempt to match manifest records to unmanifested warnings until the 7th of the following month.”USPS original Then the warning becomes an unmanifested error, and USPS collects postage.12Guide to USPS Shippage 9“If no match is found, the unmanifested warning will be upgraded to an unmanifested error and postage will be collected.”USPS original

A manifest that fails validation leaves its packages unmanifested until a corrections file is processed.12Guide to USPS Shippage 9“considered unmanifested until a corrections file addressing the errors is processed”USPS original USPS Ship assigns an unmanifested package to a customer by the Mailer ID in its IMpb.12Guide to USPS Shippage 9“Unmanifested packages will be assigned to a customer based on the Mailer ID embedded in the IMpb.”USPS original

An unmanifested fee applies when a shipper's unmanifested ratio is above a threshold, initially 4%.19Guide to USPS Shippage 10“USPS Ship calculates the percentage of unmanifested packages (unmanifested ratio) for the combination of CRID, Program (Outbound), Mail Class, Month and Year for each shipper to determine if the shipper’s unmanifested packages are above the threshold (initially set to 4%).”USPS original The fee then applies to all its unmanifested packages.19Guide to USPS Shippage 10“If the unmanifested ratio is above the threshold, then an unmanifested fee will be applied to all unmanifested packages.”USPS original

Duplicate packages receive published pricing.11Guide to USPS Shippage 8“Duplicate packages receive published pricing.”USPS original A second level review removes pieces that are not truly duplicates.11Guide to USPS Shippage 8“Packages will receive a second level review process that verifies the pieces are truly duplicates.”USPS original

A MisShipped error also reprices the package as Ground Advantage Full Network.20USPS Ship Misshipped Tech SheetPDF page 1“When a Misshipped error is logged, USPS Ship will also reprice the package as Ground Advantage Full Network.”USPS original USPS Ship charges the higher of that price and the manifested price.20USPS Ship Misshipped Tech SheetPDF page 1“The higher of the two prices will be charged, so that the shipper does not potentially receive a discount for a Misshipped package.”USPS original No error is logged when the first scan is downstream from the claimed entry facility.11Guide to USPS Shippage 8“if a package’s first physical scan is downstream from the claimed entry facility, no error will be logged”USPS original

In a census validation, captured values replace manifested ones when they fall outside a configurable tolerance.2Guide to USPS Shippage 7“outside a configurable tolerance, captured values will be used in repricing”USPS original

A shipper can dispute an adjustment through the USPS Ship Disputes and Refund Requests service.17Guide to USPS Shippage 27“Shippers can initiate disputes for adjustments that were applied and charged through USPS Ship by accessing the USPS Ship Disputes and Refund Requests service on the BCG.”USPS original The shipper uploads a text file listing the packages.17Guide to USPS Shippage 27“Shippers must upload a text file that includes a list of packages to be reviewed.”USPS original A USPS Analyst reviews the dispute, and an approved dispute refunds the shipper's EPS Account.17Guide to USPS Shippage 27“A USPS Analyst reviews the dispute to determine if it is valid and should be approved. … If the dispute is approved, then the shipper’s EPS Account will be refunded.”USPS original

A shipper can ask for a Joint Review of an assessment that is still pending.21Guide to USPS Shippage 32“Shippers can initiate a Joint Review for a pending assessment by accessing the USPS Ship Disputes and Refund Requests service on the BCG.”USPS original A shipper can also ask for a refund of labels in a Shipping Services File that were charged but never shipped.22Guide to USPS Shippage 35“for labels that were included in a Shipping Services File and charged to the EPA but not actually shipped”USPS original

The USPS Ship Helpdesk answers questions about USPS Ship at uspsshipsupport@usps.gov.31USPS Ship Zone Tech SheetPDF page 2“For USPS Ship assistance, contact the USPS Ship Helpdesk at uspsshipsupport@usps.gov, or 1-877-672-0007, Option #7, Option #1.”USPS original Its phone line is 1-877-672-0007, Option 7, then Option 1.31USPS Ship Zone Tech SheetPDF page 2“For USPS Ship assistance, contact the USPS Ship Helpdesk at uspsshipsupport@usps.gov, or 1-877-672-0007, Option #7, Option #1.”USPS original

The USPS Informed Visibility Solutions Center helps with IV-MTR data feeds at InformedVisibility@usps.gov.32Setting up IV-MTR® USPS Ship Domestic Outbound data feedsPDF page 1“InformedVisibility@usps.gov”USPS original