🐵 Looking for USPS tracking API?
Why integrate USPS shipping with Postmen API?
ISO 27001 certification
The world’s most rigorous standards for managing information security and privacy.
We are GDPR compliant to protect data and privacy in Europe.
Our support team has strong technical knowledge to help you integrate our APIs faster.
USPS APIs client libraries
Our API client library includes advanced programming languages like PHP, Java, Node.js, Python, .NET, and Ruby.
Integrate with 65 carriers instantly
Integration made easy. We support USPS, FedEx, DHL, UPS, and many other carriers.
API uptime of 99.90%
AfterShip maintains and delivers 99.90% API uptime for every customer.
Postmen shipping API is trusted by 100,000 retailers & counting
What features can you build with Postmen's USPS shipping APIs?
Postmen has everything you need to automate your USPS shipping process.