ACE Research
A modern lens on congressional data.
Explore the latest legislation, track roll-call votes, dive deep into committee workflows, and discover detailed insights into the actions of the U.S. Congress.
Bill search
Search by keyword or enter a bill number to find legislation directly.
Endpoints
Each section maps to a available API endpoint.
/latest/:billtype
Latest bills
Browse the freshest bill activity for each House and Senate bill family.
/search/:table/:filter
Bill search
Search bills by phrase and sort either by rank or recency.
/bills/bynumber/:number
Bill number search
Instant fuzzy matching for bills by cross-referencing only the numeric ID.
/bills/:billtype/:congress/:billnumber
Bill detail
Full bill record with action history, cosponsors, and linked floor votes.
/votes/:chamber
Latest votes
Review the latest House and Senate vote activity from the recent 90-day window.
/votes/detail/:voteid
Roll-call votes
Detailed roll-call results connecting the exact yea/nay positions to individual members.
/members/:bioguide_id
Member profiles
Legislator profiles with sponsored legislation and recent voting behavior.
/committees and /committees/:code
Committees
Browse congressional committees and view the specific bills referred to their workflows.
Vote search
Search or browse recent roll-call votes by chamber.
Bill tracks
All eight bill categories from the current backend are wired directly into the redesigned flow.