Unusual Whales UnusualWhales API

UnusualWhales API

The official Unusual Whales API and MCP Server gives you 100+ endpoints for options flow, dark pool, congressional trading, Greek exposure, volatility, and more. Connect via REST, WebSocket, Kafka, or MCP.

Base URL

https://api.unusualwhales.com

Authentication

Bearer YOUR_API_KEY

Resources

Data we provide

Every dataset on the platform, exposed through the API — from options flow and Greek exposure to dark pool, congressional trades, and the CME futures tape. Click a category to jump into its endpoints.

Historical Option Trades

Historical option trades data is available at $250 per month for the full market. For more than 1 year we offer 10% discount on the full price.

Download example parquet file

Enterprise / Professional

Prospective Enterprise/Professional subscribers can email us for more information about redistribution licenses or custom solutions.

[email protected]
For API support or questions: [email protected]