Complete™ Shipping APIs

Easily integrate USPS services into your platform - it's shipping made simple.

Our lightweight, easy-to-use Shipping APIs are built on flexible and RESTful principles so you can deliver the functionality demanded by today’s consumers. With our APIs you can:

  • Streamline postage account registration.
  • Enable individual shippers to activate accounts in minutes.
  • Optimize your services through our flexible Developer Portal.

Whether you use your own USPS discounts or take advantage of our discounted rates, Pitney Bowes Shipping APIs offer the pricing, subscription options, scalability and performance to deliver what you need with reliable support. 

USPS API | Pitney Bowes

Reliability that delivers for you and your customers.

Reduce efforts and expenses

The Pitney Bowes Shipping APIs let you present customers with the best available rates, without special forms or Post Office drop-off required. Customers will be able to generate shipping labels for all domestic and international shipments, track packages from origin through delivery and provide simple, effective reports for managing postal shipments and expenses.

Build business for your customers

Pitney Bowes Shipping APIs ensure security and reliability. Each year, over one million customers build their businesses with our robust account management platforms. 

Rely on a proven performer

Our successful past helps you build a successful future. We’ve processed millions of ecommerce parcels and billions of postage dollars with the reliability, speed and accuracy that built our rock-solid reputation. 

 

 

Try it free.

There is no charge to try our Shipping APIs . You will only be charged when you activate your plan.

Test integration with your application.

When you register for a developer account, you will be assigned an API key and secret to start using the Shipping APIs. You can use this set of API key and secret to generate OAUTH tokens and start accessing the Shipping APIs.

 

Validate shipping address.

The Address Validation API allows you to validate US domestic addresses.

Track your packages.

The Tracking API allows you to track packages from origin until they are delivered at their final destination.

Reprint Labels

The Reprint Shipment API allows you to reprint labels in case they are misplaced or damaged.


Refund and/or cancel shipments.

The Cancel Shipment API allows you to cancel the shipment and refund the money spent on the shipment. The refund process requires approval from USPS and is typically processed within 14 days of the request.

Specifications

First Class Mail

Large Envelope
Package
Large Package

Priority Mail

Package
Large Envelope
Flat Rate Envelope
Small Flat Rate Box
Large Flat Rate Box
Military Large Flat Rate
Padded Flat Rate Envelope
Legal Flat Rate Envelope
Regional Box A
Regional Box B

Package
Large Envelope
Flat Rate Envelope
Small Flat Rate Box
Large Flat Rate Box
Military Large Flat Rate
Padded Flat Rate Envelope
Legal Flat Rate Envelope
Regional Box A
Regional Box B
Package
Large Envelope
Flat Rate Envelope
Small Flat Rate Box
Large Flat Rate Box
Military Large Flat Rate
Padded Flat Rate Envelope
Legal Flat Rate Envelope
Regional Box A
Regional Box B
Package
Large Envelope
Flat Rate Envelope
Small Flat Rate Box
Large Flat Rate Box
Military Large Flat Rate
Padded Flat Rate Envelope
Legal Flat Rate Envelope
Regional Box A
Regional Box B
Package
Large Envelope
Flat Rate Envelope
Small Flat Rate Box
Large Flat Rate Box
Military Large Flat Rate
Padded Flat Rate Envelope
Legal Flat Rate Envelope
Regional Box A
Regional Box B

Priority Mail Express

Package
Large Package
Large Envelope
Flat Rate Envelope
Flat Rate Box
Padded Flat Rate Envelope
Legal Flat Rate Envelope

Package
Large Package
Large Envelope
Flat Rate Envelope
Flat Rate Box
Padded Flat Rate Envelope
Legal Flat Rate Envelope

Standard Post

Package
Large Package

Package
Large Package

Parcel Select

Package
Large Package

Media Mail

Package
Large Package
Large Envelope

Library Mail

Package
Large Package

First Class International

Large Envelope
Letter

First Class International Package

Package

Express Mail International

Package
Flat Rate Envelope
Flat Rate Box

Priority Mail International

Package
Flat Rate Box
Flat Rate Envelope
Padded Flat Rate Envelope
Legal Flat Rate Envelope
Large Flat Rate Box
Small Flat Rate Box