Welcome

Webull OpenAPI is a comprehensive platform that provides programmatic access to trading, market data, and account management across Hong Kong, US, and China Mainland markets. We support stocks, ETFs, warrants, CBBCs, options, and A-shares (via Stock Connect) through HTTP APIs, real-time MQTT streaming, and gRPC event subscriptions.

Our API Solutions

Trading API

For individual traders, quant developers, and institutions trading with their own accounts. Place, modify, and cancel orders across HK stocks, US stocks, options, and China A-shares. Supports account management, position tracking, and real-time order event subscriptions via gRPC. Get Started →

Market Data API

For anyone who needs market data — traders, researchers, and data-driven applications. Access real-time and historical data including tick, snapshot, quotes, and OHLCV bars for HK, US, and China Mainland markets via HTTP, with live streaming available through MQTT. Offers both Display Solution and Non-Display Solution to fit different use cases. Get Started →

Broker API

For licensed brokerage firms building trading platforms and wealth management services. Provides end-to-end capabilities including virtual account management, order execution, funding (FX and instant funding), journals, and corporate actions for your end users. Get Started →

Connect API

For third-party platforms integrating with Webull. Use OAuth 2.0 to let Webull users securely authorize your application to access their accounts and execute trades on their behalf. Get Started →

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Not a developer? You can also trade directly through Webull's web and mobile platforms.

We're continuously expanding our API product suite — more markets, advanced derivatives, and enhanced data services are on the way.