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Choose Your API

To get started with Theta Data, you need to pick an API. Our REST and WebSocket APIs can be used in almost any programming language.

REST / HTTP

  • Real-time snapshots

  • Historical data requests

  • Can be used in any language

  • Faster than the Python API

  • JSON or CSV format

Get Started

Web Sockets

  • Stream every option trade

  • Low latency real-time access

  • Can be used in any language

  • JSON format

Get Started

Python Library

  • Stream every option trade 

  • Historical data requests

  • Less performant

  • Best for beginners

  • Less features than REST

Get Started
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