Integrate with USPS® via Shippo

Shippo is an official USPS® ePostage partner. Our master USPS® account is an easy, reliable way to access discounted rates.

Easy-to-use Interface or API

Anyone can create a shipping label in minutes with either our web app or API.

Guided Sample Code

Use our sample code to easily integrate your e-commerce stack with Shippo.

Large Carrier Network

Connect with 60+ carriers through one web app or API to streamline your shipping.

Detailed Documentation

Easy-to-follow documentation, tutorials, and API reference in our developer center.

Supported USPS® Services
  • First Class Package Service®
  • First Class Package International Service®
  • Priority Mail®
  • Priority Mail International®
  • Priority Mail Express®
  • Priority Mail Express International®
  • Parcel Select®
  • Address Validation®
  • View More
Features
  • Instant sign-up
  • Developer-friendly RESTful API
  • Multiple client libraries
  • Comprehensive docs and tutorials
  • Built for scale, performance, and reliability
  • Real-time rates
  • Tracking API with webhooks
  • CPP cubic shipping rates
  • Adult and Signature confirmation
  • Automated international commercial invoices
  • Bulk label creation
  • Reference text on labels
  • Scan-based return labels
  • Manifest / SCAN Forms
  • Labels: PNG, ZPLII, 8.5x11 and 4x6 PDF
  • Fast, helpful technical support
  • View More

Why Shippo?

As an official United States Postal Service ePostage partner, you can get real-time rates, buy labels, and track USPS® packages directly from Shippo, either through our web app or USPS® API connection. Our connection to the United States Postal Service is developer-friendly, built for enterprise scale, and includes discounted USPS® postage rates. Shippo connects you directly to the United States Postal Serviceno third-parties required!

Shipping for retailers, marketplaces, and platforms

Shippo offers a flexible platform to work with master accounts, NSAs, payment and customer support options. From using our dashboard to a completely white-labeled solution, you can use Shippo for your shipping needs.

Intuitive UI or RESTful API

Anyone can create a shipping label and send a package within minutes. Tested by thousands of merchants, Shippo has been designed for ease-of-use.

Comprehensive documentation

Easy-to-follow documentation, tutorials, and API reference in our developer center.

Client libraries

While you can use Shippo’s shipping API by making direct HTTP requests to our servers, we provide client libraries for our API to make it easier to access them from your favorite languages. Shippo maintains client libraries for the most popular languages including Python, Ruby, Node, PHP, and others. See our client libraries page.

Push-based webhooks

Get notified of status changes as soon as they happen. Zero delays, so that you can get the most up-to-date information. Webhooks documentation

Discounted USPS® postage rates

Access your own USPS® account to use your negotiated rates, or volume discounts for shipping labels through Shippo’s account instantly.

USPS® for Business

Shippo’s shipping API makes it easy to use USPS® with any type of business.

USPS® for Marketplaces

See how Mercari implemented the Shippo API in its marketplace to work with USPS®.

USPS® for Platforms

See how Weebly implemented the Shippo API in its platform to work with USPS®.

USPS® for Retailers

See how BonLook implemented the Shippo API in its store to work with USPS®.

USPS® for Subscription E-commerce

See how VNYL implemented Shippo API for its subscriptions to work with USPS®.

Want more?

Check out our use cases to see how retailers, platforms, marketplaces, and logistics providers use Shippo.

Not a Developer? No Problem!

Our easy-to-use web app lets you connect with your choice of carrier. No coding required.

Contact Shippo

Get Started Today for Free!

Kick the tires on the best-in-class shipping platform with a free Shippo account.