MCPα

Investment Research for the AI Age

Back to APIs

Polygon.io API

Real-time and historical market data for stocks, options, forex, and crypto

by Polygon.io

Usage Score
#92
Documentation
https://api.polygon.io

Authentication

Method: API Key

Rate Limits

Limits: 5 calls/min - Unlimited

Pricing

Free: 5 calls/min, Premium: Unlimited

Available Endpoints

/v2/aggs/ticker
/v3/reference/tickers
/v2/last/trade
/v1/meta/symbols

Tags

Market DataReal-timeComprehensiveWebSocket

Integration Example

// Example API call
fetch('https://api.polygon.io/v2/aggs/ticker', {
  method: 'GET',
  headers: {
    'Authorization': 'YOUR_API_KEY',
    'Content-Type': 'application/json'
  }
})
.then(response => response.json())
.then(data => console.log(data))
.catch(error => console.error('Error:', error));