sample url :http://search.twitter.com/search.atom?lang=en&rpp=100&result_type=mixed&q=%22Geometry+Essentials+For+Dummies%22+Mark+Ryan&since_id=1304977102
all my twitter search api calls (with since_id in them ) are returning since date or since_id is too old" -- Twitter developer documentation and resources: https://dev.twitter.com/doc API updates via Twitter: https://twitter.com/twitterapi Issues/Enhancements Tracker: https://code.google.com/p/twitter-api/issues/list Change your membership to this group: https://groups.google.com/forum/#!forum/twitter-development-talk