FAQs

For Frequently Asked Questions about the APIs, please see the following FAQ topics:

Accounts


Shipping


Carriers 1


Value-Added Services


Developer Accounts

Parcel Size

PB Expedited

Address Validation

Merchant Accounts

Labels

PB Expedited Returns

PB Delivery Guarantee

Payments & Balances

Reference Fields

USPS APV

Refunds

Customs Forms

PB Standard

Rates & Pricing

Manifests

PB Standard Returns

Transaction Reports

Switch Between PB Services

FedEx

UPS


 

1

For carriers not listed here, please see the carrier reference pages.