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| API | Used for | Access |
|---|---|---|
| Congress.gov API | CA House member list & federal roll call votes (118th–119th Congress) | Free, key required |
| OpenFEC API | CA House PAC donor data — Schedule A receipts & committee fundraising totals (2024 cycle) | Free, key required |
| LegiScan API | CA state senate & assembly roll call votes (2023–2025 sessions) | Free tier, key required |
| FollowTheMoney APIpaused | CA state legislator donor sector breakdowns — planned but rate-limited during initial fetch | Free tier, key required |
| Dataset | Source | File |
|---|---|---|
| CA congressional district boundaries | US Census Bureau TIGER/Line shapefiles via us-atlas CDN | ca-congressional.geojson |
| CA state senate district boundaries | CA Citizens Redistricting Commission (2020 cycle) | ca-state-senate.geojson |
| CA assembly district boundaries | CA Citizens Redistricting Commission (2020 cycle) | ca-assembly.geojson |
| Representative roster (174 reps) | Compiled from house.gov, senate.ca.gov, assembly.ca.gov | ca-reps.json |