Description: Last month I looked at the Necho message format. I compared it to RSS, its predecessor. In this column, I want to look at its API. Joe Gregorio is the main author of the API, written in the IETF RFC format. Joe is using Marshall Rose's xml2rfc package, so various formats are available . Make sure to pick up the latest version; as of the time of this writing, draft 6 was the most current one.