Skip to main content
​
Layoff data and new docs
  • WARN notices (layoffs). /beta/live/warnnotices returns WARN Act notices of mass layoffs and plant closures at public companies, with the employer, location, employees affected and notice dates. Filter by ticker, state and date. Trader plan.
  • New documentation at api.quiverquant.com/docs, with guides to authentication, plans, rate limits, errors and the MCP server.
​
Prices, revolving door lobbyists and Polymarket
  • Daily equity prices. /beta/historical/dailyprices/{ticker} returns end-of-day prices from 2014 onward, raw and adjusted for splits and dividends, with corporate actions. Hobbyist plan.
  • Revolving door lobbyists. /beta/live/revolvingdoor lists lobbyists with prior government service on public companies’ lobbying filings. Hobbyist plan.
  • Polymarket top trades. /beta/live/polymarkettrades returns Polymarket trades flagged as large or unusual bets, with filters for market, wallet and date. Hobbyist plan.
  • Off-exchange pagination. The off-exchange endpoints now apply their documented page, page_size and date parameters.
​
MCP sign-in and congress holdings
  • Sign in to the MCP server with OAuth. Claude, ChatGPT, Cursor and other clients can connect to https://mcp.quiverquant.com/ by signing in with your Quiver account, without handling an API key. See Connect the MCP server.
  • Congress stock holdings. /beta/live/congress_stock_holdings returns estimates of members of Congress’s current stock holdings. Hobbyist plan.
​
Trump trades, New Constructs and more MCP tools
​
News, shareholders and executive pay
​
Politicians and PAC donations
  • Congress politicians. Bulk and live endpoints for members of Congress and candidates, with trading stats and net worth. Hobbyist plan.
  • Corporate donors. Bulk and per-ticker PAC donation endpoints. Hobbyist plan.
Last modified on November 5, 2026