---
title: "What is a shipping API and how does ShipStation API fit into my stack?"
url: "https://www.shipstation.com/faq/what-is-a-shipping-api-and-how-does-shipstation-api-fit-into-my-stack/"
type: "faq"
modified: "2026-02-20T16:05:27-06:00"
---
A shipping API connects your existing systems to carriers so you can create labels, get rates, and track shipments programmatically. ShipStation API plugs into your OMS, WMS, cart, or custom tools so shipping becomes a seamless part of your workflow instead of a separate manual step.