Application Programming Interfaces (APIs)

What is a trading API?

A trading API (Application Programming Interface) allows users to interact with a trading platform programmatically. It provides a set of rules and protocols for software applications to communicate with the trading system, enabling automated trading strategies, data retrieval, and order placement without manual intervention.

Does Webull offer an API?

Yes, Webull now provides an API for eligible clients. In addition, Webull continues to partner with TradingView, enabling clients to trade directly from their Webull accounts through the TradingView platform. To use this feature, log in to the TradingView website and connect your Webull account with your TradingView account.

Am I able to apply for the API service on the mobile app?

No. You can only apply for the API service through the Webull website at this time.

Do I need to open an account or have an open brokerage account to use the API service?

Yes. You must have an active Webull brokerage account, either newly opened or already established, in order to apply for and use the API service.

How can I apply for the API service?

Web:

1. Open the official Webull website and click the login button in the upper-right corner to sign in to your account.
2. After logging in, you will be taken to the My Account page. If not, click My Account from the avatar menu in the upper-right corner.
3. Select API Management → My Application to submit your API application.
4. Once your application is submitted, a confirmation email will be sent to the email address associated with your account. You can also review the application status under API Management → My Application.

If you don’t have an account, you need to open one before applying for the API.

How long does the API application process take?

The API application review typically takes 1–2 business days to complete.

How do I register an API application?

Web:

1. After your API service application is approved, go to API Management → Application Management to begin the registration process.
2. Enter your application name and confirm that you have read and accepted the agreement to complete the registration.
3. After registration, select Generate Key to create your App Key and App Secret. During this process, SMS verification and trading password verification are required. The default validity period for a newly generated key is 1 day.
4. Once generated, you will be able to view your App Key, App Secret, and the remaining validity period directly in the Application Management section.
5. When your App Secret expires, select Reset Key to generate a new one. Before resetting, you may select Modify to change the key validity period, up to a maximum of 7 days. Changes to the validity period apply only to the next key reset.
   

You may not modify information, generate keys, or reset keys more than three times per day.