The following shipping methods are supported by the API where a “shipping_method” parameter is used.

FedEx Methods

Code Description
fedex_FEDEX_2_DAY FedEx 2Day®
fedex_FEDEX_2_DAY_AM FedEx 2Day® A.M.
fedex_FEDEX_EXPRESS_SAVER FedEx Express Saver®
fedex_FEDEX_GROUND FedEx Ground®
fedex_INTERNATIONAL_ECONOMY FedEx International Economy®
fedex_INTERNATIONAL_PRIORITY FedEx International Priority®
fedex_FIRST_OVERNIGHT FedEx First Overnight®
fedex_GROUND_HOME_DELIVERY FedEx Home Delivery®
fedex_PRIORITY_OVERNIGHT FedEx Priority Overnight®
fedex_STANDARD_OVERNIGHT FedEx Standard Overnight®
fedex_SMART_POST FedEx SmartPost®

UPS Methods

Code Description
ups_01 UPS Next Day Air
ups_02 UPS Second Day Air
ups_03 UPS Ground
ups_12 UPS Three-Day Select
ups_14 UPS Next Day Air Early A.M.
ups_59 UPS Second Day Air A.M.

USPS Methods (via Stamps.com)

Code Description
usps_US-FC USPS First-Class
usps_US-FCI USPS First-Class International
usps_US-PM USPS Priority Mail
usps_US-PMI USPS Priority Mail International

Amazon Merchant Fulfillment

Code Description
amazon_ANY Amazon Merchant Fulfillment
amazon_Standard Amazon Standard Delivery
amazon_FreeEconomy Amazon Free Economy
amazon_SecondDay Amazon Two-Day Delivery
amazon_NextDay Amazon One-Day Delivery
amazon_Expedited Amazon Expedited Delivery

“Cheapest” Methods

Code Description
cheapest_ALL Cheapest method overall
cheapest_GROUND Cheapest ground shipping method
cheapest_POSTAL Cheapest USPS or USPS last-mile shipping method
cheapest_THREE_DAY Cheapest 3-day shipping method
cheapest_TWO_DAY Cheapest 2-day shippng method
cheapest_OVERNIGHT Cheapest overnight shipping method
cheapest_ON_TIME Cheapest shipping method to arrive on-time. This requires valid “desired_delivery_date” as well.

Other

Code Description
external_ltl LTL
external_ltl_thirdparty LTL - Third Party