Free version

Access real-time rates from USPS carrier.

Set a custom method title for Stamp.com-USPS shipping method.

Set a fallback rate to process shipments when USPS fails to return any shipping rate.

Option to prioritize Flat rates when they are offered with Package rates.

Option to customize each service name.

Print shipping label with Stamps.com postage.

USPS Shipment tracking facility.

Package insurance option.

Bulk shipment label generation.

Packaging options – Box Packing, Stack First Algorithm, and Weight-Based Packing.

Customization options to add handling costs to shipping services, choosing shipping label format, hide postage charges and so on.

Premium version

Access real-time rates from USPS carrier.

Set a custom method title for Stamp.com-USPS shipping method.

Set a fallback rate to process shipments when USPS fails to return any shipping rate.

Option to prioritize Flat rates when they are offered with Package rates.

Option to customize each service name.

Print shipping label with Stamps.com postage.

USPS Shipment tracking facility.

Package insurance option.

Bulk shipment label generation.

Packaging options – Box Packing, Stack First Algorithm, and Weight-Based Packing.

Customization options to add handling costs to shipping services, choosing shipping label format, hide postage charges and so on.