ShipStation API

API for ShipStation accounts to manage orders, shipments, labels and fulfillment workflows programmatically.

More in Shipping & Package Tracking

Shippo

Multi-carrier shipping API for rates, labels, tracking and returns across USPS, UPS, FedEx, DHL and dozens of other carriers.

EasyPost

REST shipping API that buys labels, compares rates, verifies addresses and tracks packages across 100+ carriers.

ShipEngine

ShipStation's developer shipping API for multi-carrier rate shopping, label creation, address validation and tracking webhooks.

AfterShip Tracking API

Package tracking API covering 1,100+ carriers worldwide, with normalized checkpoints, delivery estimates and webhooks.

Information is summarised in our own words and may be out of date; check the vendor's site for current terms and prices. Not affiliated with ShipStation API. Suggest a correction.

Category	Shipping & Package Tracking
Authentication	API key
Pricing	Paid
Website	https://www.shipstation.com/fulfillment/api/shipping/
Docs	https://docs.shipstation.com/
Last checked	2026-10-14
As JSON	/api/v1/directory/shipstation-api.json