usps-client
Client for the USPS shipping API -
https://www.usps.com/business/web-tools-apis/documentation-updates.htm
<dependency>
<groupId>net.savantly.geo</groupId>
<artifactId>usps-client</artifactId>
<version>0.0.1-RELEASE</version>
</dependency>
See the ShippingApiClientTest.java for an example.