Nitromule
What is Nitromule?
Updated 2026-09-07
On this page
Nitromule helps you compare UPS, USPS, and FedEx rates, buy shipping labels, fulfill store orders, and let customers buy labels on branded portals — with help and API docs on dedicated hosts, not buried inside the app.
What you can do
| Area | Examples |
|---|---|
| Rate shop | Compare carriers for the same package in one table |
| Labels | Buy, print, track, void, and reprint |
| Stores | WooCommerce, eBay, CSV imports |
| Portals | Outbound, return, round-trip, forms with labels |
| Developers | Integrations API, webhooks, embed widget, MCP |
Who it is for
- Warehouses and e-commerce sellers who ship daily
- Brands that want customers to self-serve shipping (events, rentals, returns)
- Teams that need one place for labels instead of logging into each carrier site
- Developers connecting an OMS to rates and labels
How Nitromule is organized
| Surface | Purpose |
|---|---|
App (nitromule.com) |
Tools: Get Label, Orders, Portals, Settings |
Help (help.nitromule.com) |
Merchant how-tos and FAQs (this site) |
Docs (docs.nitromule.com) |
Developer API reference and guides |
Typical first week
- Create your account and set ship-from + Billing
- Print your first label (or try free quotes)
- Connect WooCommerce or eBay if you sell online
- Optional: publish a customer portal
- Optional: start the API quickstart
Plans
Store connections, portals, and API access depend on your plan — see plans overview.