We sure do!
We are happy to provide sample code in a variety of languages and protocols, including: PHP, JAVA, Ruby, Python, ColdFusion and C#, to name a few.
Visit our Sample Code page and select the language(s) you are interested in, then Address Validation - US and download the files.
You can also download a sample data file to help get you started.
Check out this short video (1:03) on integrating our API.