Introduction to OpenAPI
Brief Introduction
Webull OpenAPI aims to provide quantitative trading investors with convenient, fast and secure services. Webull aims to help every quant traders achieve flexible and changeable trading or market strategies.
The main function:
Trading management: create, modify, cancel orders, etc.
Market information: You can query stocks/ETFs and other related market information through the HTTP interface.
Account Information: Query account balance and position information.
Subscription to real-time information: Subscribe to order status changes.
User Oriented
Webull OpenAPI is mainly for investors who are capable of coding and quantitative trading.
Interface Protocol
The bottom layer of Webull OpenAPI provides two protocols, HTTP / GRPC, to support functions and features like trading, subscriptions for changes of order status.
| Protocol | Description |
|---|---|
| HTTP | It mainly provides interface services for data such as tradings, accounts, candlestick charts, snapshots, etc. |
| GRPC | Provide real-time push messages for order status changes. |
How to Activate
First, you must sign up and register Webull App, and then you need to open a ウィブル証券口座.
After you have a ウィブル証券口座, click the link, and then you need to click [マイアプリケーション] under the [OpenAPI利用申請] to apply for API services.
After the API service audit is completed, you need to go to [OpenAPI登録] to create an application. After the application is created, you need to click [API Keyの生成] to generate a key. The default validity period of the key is 45 days.
caution
Note: The modification of the validity period will be applied to the next reset of the key. It cannot exceed 3 times a day for modifying information, generating keys, and resetting keys.
Market Supported
U.S. stocks and ETFs.
tip
Note: It ultimately depends on your trading authority. Transaction/quote permissions can be viewed on the 申請管理.
Pricing
Trading:
For trading through Webull OpenAPI, there is no additional charge for the time being. The trading fee is the same as the APP trading fee. The specific charging scheme is as follows: