Financial Data API

Congress Trading API — Senate & House Stock Disclosures

Every stock trade disclosed by US senators and representatives under the STOCK Act — parsed, normalized, and matched to tickers. Politician, committee, amount, and timing in one call.

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Coverage

Both chambers, fully normalized

Senate + House

Periodic Transaction Reports from both chambers, updated as disclosures are filed

Ticker-matched

Free-text disclosures resolved to tickers and ISINs so trades join cleanly with price data

Politician profiles

Trades grouped per politician with party, chamber, and disclosure history

Amount ranges

STOCK Act amount brackets normalized to min/max values for quantitative filtering

Endpoints

Simple REST. Structured JSON.

GET /api/1/alternative/congress-trading 

  "politician":      "Nancy Pelosi",
  "chamber":         "House",
  "ticker":          "NVDA",
  "type":            "purchase",
  "amountMin":       1000001,
  "amountMax":       5000000,
  "transactionDate": "2026-07-22",
  "disclosureDate":  "2026-08-14"
GET /api/1/alternative/congress-trading?ticker=NVDA
GET /api/1/alternative/congress-trading?politician=…

Key stats

535

Members tracked

Daily

Disclosure ingestion

2 chambers

Senate + House

Years

Of history

Frequently asked questions

US senators and representatives must disclose securities transactions under the STOCK Act via Periodic Transaction Reports. Eulerpool ingests disclosures from both chambers daily, parses the free-text filings, resolves assets to tickers/ISINs, and normalizes amount brackets into machine-readable min/max values.

Disclosures are ingested daily. Note the structural delay is in the law, not the API: politicians have up to 45 days to disclose a trade. Both transactionDate and disclosureDate are provided so you can measure and account for the lag.

Yes. Filter by politician name to get their full disclosure history, or by ticker to see every member who traded a specific stock. Party and chamber metadata enable aggregate analyses like "which committee members bought defense stocks this quarter."

Academic studies and public trackers have repeatedly shown certain portfolios of congressional purchases outperforming benchmarks. At minimum it is a widely followed alternative dataset — apps built on it have millions of users. The API gives you the raw, normalized feed to build your own analysis.

Yes. All alternative-data endpoints, including congress trading, are available on the free tier with 10,000 requests per month. No credit card required.

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No credit card required. 10,000 calls/month free.

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Use Cases

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Docs

Cookbook: Congress Monitor