PUBLIC MARKS from holyver with tags google & atom

This document describes the protocol used by the Google Data APIs, including information about what a query looks like, what results look like, and so on.

The Google Data APIs provide a simple standard protocol for reading and writing data on the web. These REST-style APIs are based on the Atom Publishing Protocol (AtomPub), using the standard Atom syndication format to represent data and HTTP to handle communication. The Google Data API protocol also extends AtomPub for processing queries, authentication, batch requests, and providing alternate output formats (JSON, RSS). Many Google services support the Google Data API protocol

The Google Data APIs provide a simple standard protocol for reading and writing data on the web. The Data APIs use either of two standard XML-based syndication formats: Atom or RSS. They also have a feed-publishing system that consists of the Atom publishing protocol plus some extensions (using Atom's standard extension model) for handling queries.