key=[YOUR-KEY]&output=html From here, you've many ways to get the data:

1. https://spreadsheets.google.com/pub?key=[YOUR-KEY]&output=html    (HTML output, good for an iframe)

2. https://spreadsheets.google.com/pub?key=[YOUR-KEY]&output=csv    (CSV output, good for quick parsing)

3. https://spreadsheets.google.com/feeds/cells/[YOUR-KEY]/[SHEET-ID]/public/values    (GData/Atom output, good for Javascript/XML parsing)