Massive (formerly Polygon.io)

live FinanceMarkets

Massive (formerly Polygon.io) — US stock market data: tickers, OHLC bars, dividends, splits, news, market status, and exchange reference.

12 tools
0ms auth
free tier 50 calls/day

Tools

tickers

Search Massive (formerly Polygon.io) reference universe for US stocks, options, indices, forex, and crypto tickers. Returns symbol, name, market, asset class, primary exchange, currency. Use to resolv

No parameters required.

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ticker_details

Fetch full Massive (formerly Polygon.io) reference details for a single ticker: company name, description, SIC code, primary exchange, locale, market cap, phone, address, homepage URL, and logo.

No parameters required.

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aggregates

Massive (formerly Polygon.io) OHLC price bars for a US stock ticker — 1 minute through quarterly granularity. Returns timestamped open/high/low/close + volume + VWAP. Use for charting equities, intrad

No parameters required.

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daily_open_close

Fetch official open, high, low, close, volume, and after-hours/pre-market prices for a US stock ticker on a specific date (YYYY-MM-DD) from Massive (formerly Polygon.io).

No parameters required.

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previous_close

Fetch the previous trading session's open, high, low, close, and volume for a US stock ticker from Massive (formerly Polygon.io).

No parameters required.

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grouped_daily

Fetch OHLCV bars for all US stocks on a given date (YYYY-MM-DD) from Massive (formerly Polygon.io) in a single call; useful for market-wide snapshot or screening.

No parameters required.

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news

Massive (formerly Polygon.io) financial news: ticker-tagged US stock market headlines with publisher, article URL, image, summary, and per-ticker sentiment insights. Use for "what is the news on $TICK

No parameters required.

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splits

Historical stock splits for a US-listed Massive (formerly Polygon.io) ticker: split ratio, execution date, ticker. Use to adjust historical price comparisons across split events.

No parameters required.

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dividends

Historical and upcoming cash + stock dividends for a US-listed Massive (formerly Polygon.io) ticker: ex-date, record date, pay date, declaration date, cash amount, dividend type, frequency. Use for in

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market_holidays

Return the list of upcoming US stock market holidays from Massive (formerly Polygon.io), including date, holiday name, and exchange status (open/closed/early-close).

No parameters required.

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market_status

Current market status.

No parameters required.

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exchanges

Reference list of exchanges Massive (formerly Polygon.io) covers: US stock exchanges (NYSE, NASDAQ, etc.), options venues, crypto exchanges, and OTC tiers. Returns MIC code, name, asset class, type, l

No parameters required.

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Test with curl

The gateway speaks JSON-RPC 2.0 over HTTP POST. You can test any pack directly from the terminal.

List available tools
bash 
curl -X POST https://gateway.pipeworx.io/polygon-io/mcp \
  -H "Content-Type: application/json" \
  -d '{"jsonrpc":"2.0","id":1,"method":"tools/list"}'
Call a tool
bash 
curl -X POST https://gateway.pipeworx.io/polygon-io/mcp \
  -H "Content-Type: application/json" \
  -d '{"jsonrpc":"2.0","id":2,"method":"tools/call","params":{"name":"tickers","arguments":{}}}'

Use with the SDK

Install @pipeworx/sdk to call tools from any TypeScript/Node project.

TypeScript 
import { Pipeworx } from '@pipeworx/sdk';
const px = new Pipeworx();
const result = await px.call("tickers", {});
ask_pipeworx 
// Or ask in plain English:
const answer = await px.ask("massive (formerly polygon");