YPMR: Using the Web Service Module
This Pipe demonstrates how to use the Web Service module to POST items in a pipe to an external web service (in JSON format). This allows developers to extend the Pipes functionality to do whatever they need. The original items are replaced by the web services JSON or RSS response.
Pipe Web Address: http://pipes.yahoo.com/pipes_team/7DMmOeFS3BGm8YDwjtzu1g