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Carriers & integrations

Every carrier. Every postage provider. One login.

ShipOtter connects directly to the carriers and transportation partners you rely on — and to postage platforms like Stamps.com and EasyPost — so you keep your rates and never re-key a shipment.

USPS
UPS
FedEx
DHL
Stamps.com
EasyPost
Canada Post
Royal Mail
LTL freight
FTL freight
Air cargo
+ many more

Bring your own carrier accounts to keep your negotiated rates, or use ShipOtter's discounted rates through our postage partners — your choice on every shipment.

Postage & carrier partners

How the connections work

Connect once. ShipOtter handles authentication, rates, labels, and tracking for each partner.

EasyPost · multi-carrier

One key for USPS, UPS, FedEx & DHL labels with discounted rates — the fastest way to start shipping.

Stamps.com · USPS

Direct USPS postage with deeply discounted rates through Stamps.com's developer API.

UPS · your account

Connect your UPS account for Ground and Air at your negotiated rates.

FedEx · your account

FedEx Home Delivery and Express with your own pricing, fully integrated.

DHL Express · international

Fast international parcel and express service with customs handling built in.

Freight & air · LTL · FTL · air

Connect freight carriers and air-cargo partners for the heavy and the urgent.

Sales channels

Orders flow in automatically

Shopify
Amazon
eBay
Walmart
Etsy
+ more

Connect a channel and ShipOtter syncs orders, dedupes them, and pushes tracking back the moment you ship — no spreadsheets, no copy-paste.

Connect everything you ship with

Carriers, postage providers, freight, air, and every channel — in one place.