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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

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Resources

Kafka Streaming

Real-time data streaming

MCP Server

Connect to Claude & AI tools

Check API Usage

Monitor your quota

Fix 404 Errors

Troubleshoot AI tools

SKILL.md

For AIs/Agents working with the API

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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

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Enterprise / Professional

Prospective Enterprise/Professional subscribers can email us for more information about redistribution licenses or custom solutions.[email protected]
Last modified on September 23, 2026