Every roll-call vote in the US House and Senate 2018-2024. House: ~600 votes per session via clerk.house.gov/evs/{year}/roll{NNN}.xml. Senate: ~400 votes per session via senate.gov/legislative/LIS/roll_call_votes/. Each vote has chamber, congress, session number, vote date, question, vote type (Quorum/Final Passage/Cloture/Motion to Recommit/etc), result (Passed/Failed/Agreed To/Rejected/Cloture Agreed To), legislation reference (H.R./S./PN), yea/nay/present/not-voting tallies. Joins to public-laws table via legis_num. Source: clerk.house.gov + senate.gov (no auth, plain XML).

Live API

This dataset is served via a live REST API at api.ai-analytics.org. The card you're reading exists so HuggingFace's index can route AI agents + researchers to the canonical source.

API endpoint: https://api.ai-analytics.org/api/v1/rollcall/recent
Dataset landing page: https://api.ai-analytics.org/datasets/rollcall-votes
DataCatalog (JSON-LD): https://api.ai-analytics.org/.well-known/dataset.json
DCAT-US (data.gov-compatible): https://api.ai-analytics.org/data.json

Quick start

# Recent records (JSON)
curl 'https://api.ai-analytics.org/api/v1/rollcall/recent?limit=10'

# Browse on the web
open 'https://api.ai-analytics.org/datasets/rollcall-votes'

MCP (Model Context Protocol)

This dataset is also accessible via MCP at https://api.ai-analytics.org/mcp — Claude, ChatGPT, and other MCP-compatible agents can call it directly.

Source

Agency: US Congress (Clerk of the House + US Senate)
Primary source: https://clerk.house.gov/Votes
License: CC0 1.0 Universal (derived data). Underlying federal works are US public domain under 5 USC 105 / 17 USC 105.
Update cadence: Per agency (most refresh daily via Cloudflare Cron Trigger)

Keywords

roll-call vote, congressional vote, House vote, Senate vote, cloture, yea nay, legislation passed, voting record

Citation

@misc{ai_analytics_rollcall_votes_2026,
  title  = {{name}},
  author = {AI Analytics},
  year   = {2026},
  url    = {https://api.ai-analytics.org/datasets/rollcall-votes},
  note   = {Derived from US Congress (Clerk of the House + US Senate). License: CC0 1.0.}
}

Maintained by AI Analytics. Data is CC0; please cite the upstream agency.

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Congressional roll-call votes (House + Senate, 2018-2024)