USQuery is a congressional information and tracking platform designed to help people understand U.S. legislation and make informed decisions. It brings together data on members of Congress, bills, and legislative activity, with search tools that let users explore representatives and legislation by topic. For each bill, USQuery provides legislative history, including action timelines, voting records, party vote breakdowns, and sponsor information. The platform also displays recent congressional activity and vote outcomes, helping users follow developments as they happen.

Registered users can save favorite bills and members to a personalized watchlist, making it easier to revisit issues and track representatives. USQuery also offers beta AI-powered predictions about the likelihood of bills passing and how representatives may vote on specific legislation; this feature is described as being in development and continually improved. With its combination of searchable congressional data, historical context, personalized tracking, and emerging predictive insights, USQuery serves people seeking a clearer, more organized way to follow Congress.