The Twitter API Team introduced a new method this evening that will be incredibly useful. You can now batch user lookups by username or ID with one call: $ curl -u username:password "https://api.twitter.com/1/users/lookup.xml ?user_id=756264,10145822" or $ curl -u username:password "https://api.twitter.com/1/users/lookup.xml ?user_name=damon,podlabs" both return: <?xml version=”1.0″ encoding=”UTF