Change Logs
2026-07-25
Modification of the Get Option Contracts interface.
Change
| Category | API | Change | Link |
|---|---|---|---|
| API | Trading API | Supplementary content on single-leg options. | Get Option Contracts |
2026-07-18
Support single leg option trading.
Change
| Category | API | Change | Link |
|---|---|---|---|
| API | Market Date API | Support single leg option trading capability. | Tick Snapshot Historical Bars |
2025-07-01
AI Friendly Resources: Added Webull MCP Server guide and Webull Agent Skills guide for AI-assisted trading and market data access.
New
| Category | Change | Link |
|---|---|---|
| Docs | Added Webull MCP Server guide — enables AI assistants to access Webull OpenAPI via Model Context Protocol. Covers architecture overview, multi-client configuration, 2FA authentication flow, available endpoints (Account, Instrument, Market Data, Trading), configuration parameters, and security recommendations. | Webull MCP Server |
| Docs | Added Webull Agent Skills guide — enables AI coding assistants to access Webull OpenAPI via local Python scripts with shell command execution. Covers multi-tool integration, setup steps, available endpoints, rate limits, output format, and specific notes. | Webull Agent Skills |
2026-06-27
Trading API and Market Data API update.
Changed
| Category | API | Change | Link |
|---|---|---|---|
| API | Market Data API | Move the following three endpoints from the Trading API/Instrument directory to the Market Data API/Fundamentals directory: Company Profile, Analyst Target Price, and Analyst Rating. | Company Profile |
Add Watchlist and some API.
Add
| Category | API | Change | Link |
|---|---|---|---|
| API | Market Data API | Add Watchlist (Get Watchlist、Create Watchlist、Update Watchlist、Delete Watchlist、Get Watchlist Instruments、Add Instruments to Watchlist、Remove Instruments from Watchlist、Update Instruments Sort Order) | Get Watchlist |
| API | Market Data API | Add Screener (Gainers & Losers、Top Active) API endpoints to the market-data directory. | Gainers & Losers |
2026-06-13
Signature document update.
Historical Bars API now supports additional bar intervals, including intraday, daily, weekly, monthly, and yearly timeframes.
Changed
| Category | API | Change | Link |
|---|---|---|---|
| Docs | — | Signature document content updated by part format. | Signature |
| API | Market Data API | Historical Bars endpoint updated timespan.schema.enum to support additional values: M15, M30, M60, M120, M240, D, W, M, Y. | Historical Bars |