Sonic

Sonic API

Made Easy with EasyPost

Connect with Sonic in minutes

Using EasyPost's simple Shipping API, you can start shipping with Sonic and dozens of others. Solve complex shipping logistics problems with a single integration. By leveraging EasyPost's technology, businesses can streamline, automate, and gain end-to-end control of their shipping process with our suite of flexible RESTful API solutions. Join our thousands of customers shipping millions of packages each month.

Best-in-class shipping solution
EasyPost offers a modern, flexible RESTful API that connects to 100+ carriers with one seamless integration — helping you to avoid month-long integrations, lengthy carrier documentation, and time consuming updates. Let's build the shipping infrastructure of the internet together. Developers get started for free with EasyPost.
Build the shipping infrastructure of the internet
Take a look at our public documentation and start building with one of our helper libraries (Python, PHP, Ruby, Node.js, Java, and more). Avoid month-long integrations and start shipping in minutes with EasyPost.

Tracking Packages

Track packages across all major carriers.

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Address Verification

Validate domestic and international addresses.

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International & Customs

Learn how to handle international shipping seamlessly.

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Shipping Insurance

Shipping insurance for all items sent with EasyPost.

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EasyPost: Built for developers

  • USPS Commercial Pricing on ALL accounts
  • Instant Access to USPS, UPS, FedEx, and DHL & more
  • Try EasyPost for FREE, No Upfront Costs
  • Client Libraries for .Net, Java, Ruby, Python, Node, PHP, and Go
  • Millions of packages shipped each month using EasyPost!
# Create To and From Addresses
from_address = EasyPost::Address.create(...)
to_address = EasyPost::Address.create(...)

# Create Shipment and Get Rates
shipment = EasyPost::Shipment.create(
  from_address: from_address,
  to_address: to_address,
  parcel: {
    predefined_package: 'Parcel',
    weight: 32.8
  }
)

# Buy Shipping Label
shipment.buy(rate: shipment.lowest_rate())

Leading companies rely on EasyPost

QALO

QALO uses EasyPost's API to automate their returns for an unbeatable customer experience.

EP&V

With EasyPost's API, Expedited Passports & Visas cut their operational load in half.

Casper

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

EasyPost in the News

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Let's compare the EasyPost API with the Sonic API

FeatureSonic APIEasyPost API
Tracking API with Webhookscheck
RESTful JSONcheck
SOAP / XMLcheck
Multi-Carrier APIcheck
Fast and Free Technical Supportcheck
Public Documentation and Tutorialscheck
Instant API Accesscheck
Supported Client Librariescheck
.NET Librarycheck
Go Librarycheck
Java Librarycheck
Node.js Modulecheck
PHP Librarycheck
Python Modulecheck
Ruby Gemcheck

Connect to EasyPost today

Sign up and start shipping in the same day. We have our Sonic 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.