legislation_cosponsors: 119-s-3958, L000570

Cosponsors for tracked legislation. Distinguishes original cosponsors (signed on at introduction) from later additions. Linked to congress_members via bioguide_id.

Data license: Public Domain (U.S. Government data) · Data source: Federal Register API & Regulations.gov API

This data as json

bill_id bioguide_id full_name party state sponsorship_date is_original_cosponsor
119-s-3958 L000570 Sen. Luján, Ben Ray [D-NM] D NM 2026-03-02 1