# Quiver API

> Documentation for the Quiver Quantitative API and MCP server: congressional trading, insider trades, 13F holdings, government contracts, lobbying and other alternative data, as JSON over REST or as tools for AI assistants.

> ## Agent Instructions
> Quiver Quantitative API: base URL https://api.quiverquant.com, endpoints under /beta/. Authenticate every request with the header `Authorization: Bearer <API key>`. Keys are on https://api.quiverquant.com/dashboard/ after subscribing at https://api.quiverquant.com/pricing/.
> AI agents can use the Quiver MCP server at https://mcp.quiverquant.com/ (streamable HTTP; OAuth sign-in, or the API key as a Bearer token). Setup: https://api.quiverquant.com/docs/mcp-server.
> Each dataset needs a plan (https://api.quiverquant.com/docs/plans-and-access) and each endpoint has a per-account rate limit (https://api.quiverquant.com/docs/rate-limits).

- [Quiver API](https://quiver-quantitative-f9529011.mintlify.dev/docs/index.md): Alternative data on congressional trading, insider trades, 13F holdings, government contracts, lobbying and more, through a REST API or an MCP server for AI assistants.
- [Quickstart](https://quiver-quantitative-f9529011.mintlify.dev/docs/quickstart.md): Get a Quiver API key and make your first request for congressional trading data with cURL, Python or JavaScript.
- [Authentication](https://quiver-quantitative-f9529011.mintlify.dev/docs/authentication.md): Authenticate Quiver API requests by sending your API key in the Authorization header as a Bearer token.
- [Plans and data access](https://quiver-quantitative-f9529011.mintlify.dev/docs/plans-and-access.md): Which Quiver API plan includes each dataset, what the plans cost, and which plans allow commercial use.
- [Rate limits and pagination](https://quiver-quantitative-f9529011.mintlify.dev/docs/rate-limits.md): Quiver API rate limits for every endpoint, what happens when you exceed them, and how to page through large results.
- [Errors](https://quiver-quantitative-f9529011.mintlify.dev/docs/errors.md): What each Quiver API status code means, with example responses and how to fix the request.
- [Connect the MCP server](https://quiver-quantitative-f9529011.mintlify.dev/docs/mcp-server.md): Connect Claude, ChatGPT, Claude Code, Cursor, VS Code or any MCP client to Quiver data with the remote MCP server at https://mcp.quiverquant.com/.
- [Tutorials](https://quiver-quantitative-f9529011.mintlify.dev/docs/tutorials.md): Step-by-step guides for building and backtesting trading strategies on Quiver data, and for setting up the API and MCP server.
- [Changelog](https://quiver-quantitative-f9529011.mintlify.dev/docs/changelog.md): New Quiver API datasets, endpoints and MCP server features, newest first.
- [Live Congress Trading](https://quiver-quantitative-f9529011.mintlify.dev/docs/api-reference/congress/live-congress-trading.md): Returns the most recent transactions by members of U.S. Congress.
- [Historical Congress Trading](https://quiver-quantitative-f9529011.mintlify.dev/docs/api-reference/congress/historical-congress-trading.md): Returns all the stock transactions by members of U.S. Congress involving the given ticker.
- [Bulk Congress Trading](https://quiver-quantitative-f9529011.mintlify.dev/docs/api-reference/congress/bulk-congress-trading.md): Returns the full history of transactions by members of U.S. Congress.
- [Recent House Trading](https://quiver-quantitative-f9529011.mintlify.dev/docs/api-reference/congress/recent-house-trading.md): Returns the most recent transactions by U.S. Representatives.
- [Historical House Trading](https://quiver-quantitative-f9529011.mintlify.dev/docs/api-reference/congress/historical-house-trading.md): Returns all the stock transactions by U.S. Representatives involving the given ticker.
- [Recent Senate Trading](https://quiver-quantitative-f9529011.mintlify.dev/docs/api-reference/congress/recent-senate-trading.md): Returns the most recent transactions by U.S. Senators.
- [Historical Senate Trading](https://quiver-quantitative-f9529011.mintlify.dev/docs/api-reference/congress/historical-senate-trading.md): Returns all the stock transactions by U.S. Senators involving the given ticker.
- [Live Congress Stock Holdings](https://quiver-quantitative-f9529011.mintlify.dev/docs/api-reference/congress/live-congress-stock-holdings.md): Returns estimate of current stock holdings of members of U.S. Congress. Use the bioguide_id, ticker, and sort_by_holding parameters to filter and sort the results.
- [Live Congress Politicians](https://quiver-quantitative-f9529011.mintlify.dev/docs/api-reference/congress/live-congress-politicians.md): Returns currently active congress members with their trading stats (trade count, estimated trade volume) and live net worth. Defaults to active members only. Use chamber, party, and state filters to narrow results.
- [Bulk Congress Politicians](https://quiver-quantitative-f9529011.mintlify.dev/docs/api-reference/congress/bulk-congress-politicians.md): Returns a paginated list of all congress members and FEC-registered candidates with trading stats and net worth. Includes both seated members and candidates by default. Results can be sorted by name, trade count, trade volume, or net worth.
- [Bulk Trump Stock Trades](https://quiver-quantitative-f9529011.mintlify.dev/docs/api-reference/trump-trades/bulk-trump-stock-trades.md): Returns recent stock transactions made by Donald Trump. Default page size is 200.
- [Live Insider Trading](https://quiver-quantitative-f9529011.mintlify.dev/docs/api-reference/insiders-and-institutions/live-insider-trading.md): Returns recent insider transactions.
- [Live SEC13F](https://quiver-quantitative-f9529011.mintlify.dev/docs/api-reference/insiders-and-institutions/live-sec13f.md): Returns static portfolio holdings at specific filing periods.
- [Live SEC13F Changes](https://quiver-quantitative-f9529011.mintlify.dev/docs/api-reference/insiders-and-institutions/live-sec13f-changes.md): Returns static portfolio holdings at specific filing periods.
- [Live Top Shareholders](https://quiver-quantitative-f9529011.mintlify.dev/docs/api-reference/insiders-and-institutions/live-top-shareholders.md): Returns the top shareholders for a specific ticker, including both direct and derivative holdings.
- [Historical Executive Compensation](https://quiver-quantitative-f9529011.mintlify.dev/docs/api-reference/insiders-and-institutions/historical-executive-compensation.md): Returns historical executive compensation data for a specific ticker. Paginated with a default of 200 results per page.
- [Recent Gov Contracts](https://quiver-quantitative-f9529011.mintlify.dev/docs/api-reference/government-contracts/recent-gov-contracts.md): Returns last quarter's government contract amounts for all companies.
- [Recent Gov Contracts All](https://quiver-quantitative-f9529011.mintlify.dev/docs/api-reference/government-contracts/recent-gov-contracts-all.md): Returns recently announced contracts across all companies.
- [Historical Gov Contracts](https://quiver-quantitative-f9529011.mintlify.dev/docs/api-reference/government-contracts/historical-gov-contracts.md): Returns historical quarterly government contracts amounts for the given ticker.
- [Historical Gov Contracts All](https://quiver-quantitative-f9529011.mintlify.dev/docs/api-reference/government-contracts/historical-gov-contracts-all.md): Returns historical government contracts for the given ticker.
- [Live Lobbying](https://quiver-quantitative-f9529011.mintlify.dev/docs/api-reference/lobbying-and-donations/live-lobbying.md): Returns the most recent lobbying spending instances across all companies.
- [Historical Lobbying](https://quiver-quantitative-f9529011.mintlify.dev/docs/api-reference/lobbying-and-donations/historical-lobbying.md): Returns all lobbying spending instances for the given ticker.
- [Revolving Door Lobbyists](https://quiver-quantitative-f9529011.mintlify.dev/docs/api-reference/lobbying-and-donations/revolving-door-lobbyists.md): Returns lobbyists with prior government service (the "revolving door") listed on lobbying filings for publicly traded companies, newest first. Each row is one lobbyist on one filing, with the covered government positions they disclosed. Optional `ticker` filters to one company and `date_from` / `dat…
- [Bulk Corporate Donors](https://quiver-quantitative-f9529011.mintlify.dev/docs/api-reference/lobbying-and-donations/bulk-corporate-donors.md): Returns a paginated bulk of all PAC donations to politicians. Filter by ticker, bioguide ID, election cycle, or FEC transaction type code. Ordered by most recent transaction date.
- [Historical Corporate Donors by Ticker](https://quiver-quantitative-f9529011.mintlify.dev/docs/api-reference/lobbying-and-donations/historical-corporate-donors-by-ticker.md): Returns all PAC (Political Action Committee) donations from a company to politicians, filtered by stock ticker. Includes donor committee name, transaction amount, date, cycle, and transaction type. Paginated with a default of 500 results per page.
- [Historical Daily Prices](https://quiver-quantitative-f9529011.mintlify.dev/docs/api-reference/market-data/historical-daily-prices.md): Returns daily end-of-day equity prices (open, high, low, close, volume) for the given ticker, newest first, from 2014 onward. Includes split- and dividend-adjusted prices and any corporate actions (dividends, splits, ticker changes) effective on each date. Optional `date_from` / `date_to` (YYYYMMDD)…
- [Live Off-Exchange](https://quiver-quantitative-f9529011.mintlify.dev/docs/api-reference/market-data/live-off-exchange.md): Returns yesterday's off-exchange activity across all companies, ordered by DP total descending. Paginated via `page` (1-based) and `page_size` (default and max 20000); a page past the end returns an empty list.
- [Historical Off-Exchange](https://quiver-quantitative-f9529011.mintlify.dev/docs/api-reference/market-data/historical-off-exchange.md): Returns daily historical off-exchange activity for the given ticker. Optional `date` (YYYYMMDD) restricts the response to that exact calendar date; non-trading dates return an empty list.
- [Polymarket Top Trades](https://quiver-quantitative-f9529011.mintlify.dev/docs/api-reference/market-data/polymarket-top-trades.md): Returns Polymarket trades flagged as large or unusual bets. Sports-market trades are excluded by default.
- [Recent Patents](https://quiver-quantitative-f9529011.mintlify.dev/docs/api-reference/patents/recent-patents.md): Returns patents granted recently, max 30 day range.
- [Historical Patents](https://quiver-quantitative-f9529011.mintlify.dev/docs/api-reference/patents/historical-patents.md): Returns patents granted to the given ticker.
- [Patent Drift](https://quiver-quantitative-f9529011.mintlify.dev/docs/api-reference/patents/patent-drift.md): Returns historical patent drift data for all tickers.
- [Patent Momentum](https://quiver-quantitative-f9529011.mintlify.dev/docs/api-reference/patents/patent-momentum.md): Returns historical patent momentum data for all tickers.
- [WARN Notices (Layoffs)](https://quiver-quantitative-f9529011.mintlify.dev/docs/api-reference/company-data/warn-notices-layoffs.md): Returns WARN Act notices (advance notice of mass layoffs and plant closures that employers must file with states) for publicly traded companies, newest first. Each row is one notice, with the employer, location, number of employees affected, and notice and effective dates. `FirstSeen` is when Quiver…
- [App Ratings](https://quiver-quantitative-f9529011.mintlify.dev/docs/api-reference/company-data/app-ratings.md): Returns the last week of app ratings data.
- [Live Quiver News](https://quiver-quantitative-f9529011.mintlify.dev/docs/api-reference/company-data/live-quiver-news.md): Returns recent news articles from Quiver News. Paginated with a default of 30 results per page. Can be filtered by ticker.
- [Earnings Distortion Scores](https://quiver-quantitative-f9529011.mintlify.dev/docs/api-reference/new-constructs/earnings-distortion-scores.md): Access New Constructs' detailed ratings for stocks, ETFs, and mutual funds.

## OpenAPI Specs

- [openapi](/docs/openapi.json)


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