USPS ZPL Label Printing

Need ZPL labels printed for you USPS packages? EasyPost can get you set up and printing labels in minutes.

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Need an API to help you print USPS ZPL labels?

EasyPost can integrate with whatever application, WMS, OMS, or system you use for your shipping operations. Our flexible and easy-to-use RESTful API makes it simple to integrate our label-printing capabilities with your business' technology stack. Plus, we have all the client documentation and support to get you set up and printing USPS ZPL in minutes.

With EasyPost’s USPS API, you can:

  • Print labels at the industry’s lowest price
  • Track every outbound (or inbound) package
  • Verify every address, domestic or international
  • Shop for rates across your shipping accounts
  • Automate package insurance with low premiums
require 'easypost'

to_address = EasyPost::Address.create(...)
from_address = EasyPost::Address.create(...)
parcel = EasyPost::Parcel.create(...)

shipment = EasyPost::Shipment.create(
  to_address: to_address,
  from_address: from_address,
  parcel: parcel,
  options: { label_format: 'ZPL' }
Tracking Packages

Track packages across all major carriers.

Address Verification

Validate domestic and international addresses.

International & Customs

Learn how to handle international shipping seamlessly.

Shipping Insurance

Shipping insurance for all items sent with EasyPost.

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Casper sped up their European launch thanks to EasyPost's support of over 30+ European carriers.

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Connect to EasyPost Today

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Sign up and start shipping in the same day. We have our USPS API live and ready for you to test with. We also have extensive client documentation in over six different languages to help you get started. If you have any questions, or if you want to talk logistics, feel free to reach out to one of our shipping experts.