"X.NU allows developers to interact with the website via an Application Programming Interface (API). If you are planning to use X.NU to create short or customized URLs, do it for free through simple HTTP GET requests." The X.NU API is authenticated with an API Key, and all information is returned in a JSON format.
The following is a list of sample source code snippets that matched your search term. Source code snippets are chunks of source code that were found out on the Web that you can cut and paste into your own source code. Whereas most of the sample source code we've curated for our directory is for consuming APIs, we occasionally find something interesting on the API provider side of things. If you know of some sample source code that would be of interest to the ProgrammableWeb community, we'd like to know about it. Be sure to check our guidelines for making contributions to ProgrammableWeb.