USPS API - Best USPS Shipping API - Easy Integration

Shippo + A USPS API for Easy Integration

Leverage Shippo's USPS API to access shipping rates from USPS and 60+ other carriers.

Supported USPS API services

Why Shippo

Comprehensive Docs

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

Client Libraries

Quickly integrate with client libraries in PHP, Python, cURL, Ruby, NodeJS, Java, and C#.

Push-based Webhooks

Get notified of status changes as soon as they happen with zero delays, so you can stay up to date.

Developer Friendly

Our RESTful API offers clearly-defined endpoints, example code, and test mode.

Built for Scale

Our API was built for scale, performance, and reliability, so you can depend on it.

Great Technical Support

Our fast, helpful technical support team can answer any questions you have.

Testimonials

Tiffany Jones, Lyrically Correct

"Shippo was extremely easy to use! Anything we didn’t understand, your team was there to support us."

Nancey Harris, Vontelle

"It’s really seamless. I can just log in and see when shipments have been delivered, generate return labels, or cancel shipments; it’s all there!"

Wendy Webster, Happy Hope Foundation

"Shippo tells you how much money you’re going to save, allows you to pick when you want to ship, and you can even schedule pick-ups so you don’t have to go to the post office."

Jared Rosenbaum, Wild Ridge Plants

"With Shippo, we reached a much broader audience, grew sales, and adapted our business in a way that gave us more time to focus on what we love."

David Peterson, Prospectors Dream

"Shipping no longer feels dreadful. With Shippo, shipping is now easier and more fun than any of our other in-house tasks."

Scott Morris, Roshambo

"Shippo instantly made all the difference for our shipping efficiency… I can’t imagine running our prescription fulfillment business without Shippo."

Get started today

Everything you need for professional-grade shipping and deep discounts from top carriers.