Google Spreadsheets already have a native REST API. I use it to feed the charts in http://pittsburghtoday.org/ http://pittsburghtoday.org/ The key to getting go

Google Spreadsheets already have a native REST API. I use it to feed the charts in http://pittsburghtoday.org/ http://pittsburghtoday.org/ The key to getting good performance is to not put too much data into the sheets. Low thousands of rows is not a problem.