Open data & API
Everything on the site is downloadable, free, under CC BY 4.0. Credit "Greederboard" and link back. Newsrooms, researchers and anyone else: use it.
| File | What's in it |
|---|---|
| scores.csv | 193 scored members: score, coverage, six sub-scores, party, chamber, state, bioguide ID. |
| trades.csv | 17,077 parsed transactions from House and Senate periodic transaction reports (2024 on): dates, owner, ticker, type, amount range, days late, link to the filing. |
| members.csv | All 539 current members: trades, late trades, ban votes, cosponsorships, missed-vote rate, campaign receipts, PAC share. |
| greederboard.json | Full scores with every sourced evidence claim and URL. |
Live API
JSON, no key, CORS open. Please cache.
GET /api/latest: House and Senate trade reports filed in the last 14 days, refreshed daily at 14:15 UTC.GET /api/member/{bioguide}: one member's profile data.GET /api/forecast: the current forecast and model metrics.
Upstream sources
House Clerk financial disclosures and roll calls; U.S. Senate eFD and roll calls; GovInfo bill status; FEC bulk candidate summaries; Voteview (Lewis et al.); unitedstates/congress-legislators (public domain). Photos: official congressional portraits via the same project.