ShipCaddie provides all services offered through USPS. Discounted rates are available to all ShipCaddie users. USPS postage can be pre-purchased and setup on auto purchase using our Caddie Credits. All shipments and purchases are available in your USPS Caddie Credits ledger.
API users can also refer to our Endicia Emulator.
USPS Domestic
Library Mail Priority Mail Express Mail First Class Package First Class Mail Parcel Select – Ground Media Mail
UPS International
Priority Mail Int’l Express Mail Int’l First Class Mail Int’l First Class Package Int’l
