Express 1

Save money with Express1 on Priority Mail!

Express 1 is a government partner for the U.S. Postal Service’s Overnight and Priority 2–3 Day small package services. ShipStation is fully integrated with Express 1 to provide discounted postage rates on USPS Priority and Express Mail.

Priority Mail Priority Mail Express
All USPS Flat Rate Products: Commercial Plus Pricing
  • Flat Rate Envelope
  • Legal Flat Rate Envelope
  • Padded Flat Rate Envelope
  • Small, Medium, Large Flat Rate Boxes
  • Large Flat Rate Box APO/FPO
  • Express Mail Flat Rate Envelope
  • Express Mail Legal Flat Rate Envelope
  • Express Mail Padded Flat Rate Envelope
  • Express Mail Flat Rate Box
Your Packaging*: Commercial Plus Pricing 1 – 5 lbs (previously 1 – 3 lbs) 0.5 – 10 lbs (previously 0.5 – 2 lbs)
Your Packaging*: Less than Commercial Base Pricing 6-70 lbs
Your Packaging*: 20% Less than Retail 11-70 lbs
Other Services: Less than Commercial Base Pricing
  • Regional Rate Boxes A, B, & C
  • Cubic Service (Qualification To be Determined by Express 1)
International: Less than Commercial Base Pricing Your Packaging* 0 – 70 lbs Your Packaging* 0 – 10 lbs

* You may use either your own packaging or USPS’s free shipping boxes

If you ship small, heavy packages, Express 1 also supports cubic rates.

ShipStation ♥ Express 1

Your Express 1 account is included with your ShipStation subscription, so there’s no reason not to sign up for and utilize their discounted Priority Mail & Priority Express rates! Check out this help article to learn how to get commercial plus pricing by connecting your Express 1 shipping account to ShipStation today.


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