Polygon API
Access real-time and historical stock market data, forex, crypto prices, and financial market information from Polygon.io's comprehensive market data platform.
Verified
2026-02-04
At a glance
Essential information
About
Polygon.io API provides comprehensive financial market data including real-time and historical prices for stocks, options, forex, and cryptocurrencies. Perfect for building trading applications, financial dashboards, and market analysis tools.
What you can build
- Stock trading applications
- Market analysis platforms
- Portfolio tracking tools
- Trading bots and algorithms
- Financial dashboards
- Price alert systems
- Technical analysis tools
- Market research platforms
Pricing
View Pricing| Free tier | Yes |
| Starting from | Free (5 API calls/min) |
| Notes | Free tier 5 calls/min. Starter $29/mo (unlimited), Developer $99/mo, Advanced $199/mo, All-Access $399/mo. Real-time data on paid plans. |
Last updated: 2026-02-04. Please refer to the official pricing page as pricing may have changed.
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Authentication & Limits
View Docs- Auth type
- api_key
- Rate limits
- Free - 5 calls/minute. Paid plans - unlimited API calls with varying WebSocket connection limits.
Steps to get API key
- 1Sign up at polygon.io
- 2Choose plan (free or paid)
- 3Get API key from dashboard
- 4Include apiKey parameter in requests
- 5Or use API key in Authorization Bearer header
FAQ
Yes, free tier with 5 API calls per minute and 15-minute delayed data. Paid plans from $29/month for real-time data.
