US Congress Trades data API

17 endpoints for US Congress Trades: search, trending, members, politician, politician trades, state trades, stats, trades, trades latest, trades recent, ticker, ticker trades, stats issuers, stats tickers, stats politicians, stats volume, stats reporting gaps. One API key, one JSON schema, as MCP tools or REST.

Endpoints

Call any of them over MCP with call_endpoint and its path, or over REST.

Endpoint	Returns	Credits	Cache
searchGET /v1/us_congress_trades/search	Stock trade filings by one member of the US House, from the House Clerk.	1	2 min
trendingGET /v1/us_congress_trades/trending	The newest stock trade filings by members of the US House.	1	30 min
membersGET /v1/us_congress_trades/members	Members of Congress US Congress Trades lists filings for, with their state, district and filing counts.	5	30 min
politicianGET /v1/us_congress_trades/politician	One politician's US Congress Trades record: state and district, filing counts and the latest filing document.	1	15 min
politician/tradesGET /v1/us_congress_trades/politician/trades	Periodic transaction reports a politician filed on US Congress Trades, newest first, each linking its document.	5	30 min
state/tradesGET /v1/us_congress_trades/state/trades	Trade filings from one state's delegation on US Congress Trades, newest first.	5	30 min
statsGET /v1/us_congress_trades/stats	How many filings US Congress Trades published this year, by filing type and by state.	5	30 min
tradesGET /v1/us_congress_trades/trades	Individual trades US Congress Trades read out of the most recent periodic transaction reports, newest first.	5	30 min
trades/latestGET /v1/us_congress_trades/trades/latest	Every transaction in the newest US Congress Trades report, with the filing it came from.	5	30 min
trades/recentGET /v1/us_congress_trades/trades/recent	Trades US Congress Trades disclosed in the last few days, which is the monitor query.	5	30 min
tickerGET /v1/us_congress_trades/ticker	One ticker's congressional trading record on US Congress Trades: counts, members, lag and amount buckets.	5	30 min
ticker/tradesGET /v1/us_congress_trades/ticker/trades	Every congressional transaction in one ticker on US Congress Trades, newest first.	5	30 min
stats/issuersGET /v1/us_congress_trades/stats/issuers	Most traded issuers in US Congress Trades's current window, ranked by transaction count.	5	30 min
stats/tickersGET /v1/us_congress_trades/stats/tickers	Most traded symbols in US Congress Trades's current window, ranked by transaction count.	5	30 min
stats/politiciansGET /v1/us_congress_trades/stats/politicians	The most active filers in US Congress Trades's current window, with their trade and ticker counts.	5	30 min
stats/volumeGET /v1/us_congress_trades/stats/volume	Monthly trade volume on US Congress Trades, using the midpoint of each disclosure bucket.	5	30 min
stats/reporting-gapsGET /v1/us_congress_trades/stats/reporting-gaps	The slowest disclosures on US Congress Trades: days between trade and notification against the 45 day deadline.	5	30 min

Connect your agent over MCP

Remote MCP server: https://data.openkrill.app/mcp with your key in the x-api-key header.

Claude Code · Run in a terminal

claude mcp add --transport http krilldata \
  https://data.openkrill.app/mcp \
  --header "x-api-key: YOUR_API_KEY"

Cursor · Add to ~/.cursor/mcp.json

{
  "mcpServers": {
    "krilldata": {
      "url": "https://data.openkrill.app/mcp",
      "headers": {
        "x-api-key": "YOUR_API_KEY"
      }
    }
  }
}

Claude Desktop · Add to claude_desktop_config.json

{
  "mcpServers": {
    "krilldata": {
      "command": "npx",
      "args": [
        "-y",
        "mcp-remote",
        "https://data.openkrill.app/mcp",
        "--header",
        "x-api-key:${API_KEY}"
      ],
      "env": {
        "API_KEY": "YOUR_API_KEY"
      }
    }
  }
}