Charles Schwab

Charles Schwab Market Data API

The Schwab Market Data API exposes real-time and historical quotes, option chains, price history, market hours, instrument metadata, and daily movers for the major US indices, supporting market analytics and trading decision tools.

Documentation GitHub OpenAPI

Documentation

📖

Documentation

https://developer.schwab.com/products/trader-api--individual

📖

Authentication

https://developer.schwab.com/user-guides/get-started/authenticate-with-oauth

Specifications

⚙

OpenAPI

https://raw.githubusercontent.com/api-evangelist/charles-schwab/refs/heads/main/openapi/charles-schwab-market-data-api-openapi.yml