How to start with OpenAPI?

See full overview here

Step 1: Apply for API Access

Before you can use the Webull OpenAPI, you need to apply for access and get your credentials approved.

App Key and App Secret. See:

Individual Application Process

Shared test accounts

Step 2: Install the SDK

Install the official Webull SDK for your language. The SDK handles authentication, signature generation, and protocol details automatically. Available languages: Python and Java.

For full installation details and environment setup, see SDKs and Tools.

Step 3: Get Your Credentials

Once your application is approved, generate your App Key and App Secret from the Webull website.

Want to start coding right away? Use the shared test accounts — no application needed for the test environment.

Step 4: Make Your First API Call

With the SDK installed and credentials ready, you can make your first call. If you see your account list returned, you're all set.

Step 5: Explore the APIs

Now that you're connected, dive into the API that fits your use case:

Trading API Getting Started - Placing orders, managing positions and accounts

Market Data API Getting Started - Real-time and historical market data