Change Logs

2026-10-17

Added Webull CLI documentation.

New

Category	API	Change	Link
Docs	—	Added Webull CLI documentation: installation, authentication (production and UAT), usage examples for market data, stock trading, order management, account and instrument lookup, available commands, output and automation, global flags, and security recommendations.	Webull CLI

2026-10-17

Market Data API Option historical bars endpoint added start_time and end_time parameters.

Changed

Category	API	Change	Link
API	Market Data API	Option historical bars endpoint added start_time and end_time query parameters, allowing historical bars to be fetched by time range.	List Option Historical Bars

2026-09-20

Interface version header x-version updated from v2 to v3 across the Authentication documents.

Changed

Category	API	Change	Link
Docs	—	x-version request header updated from v2 to v3 in the required headers table.	Authentication Overview
Docs	—	x-version request header updated from v2 to v3 in the required headers table and in the Python/Java signature examples; the example endpoint used throughout was updated from GET /openapi/account/list to GET /trading/accounts/list.	Signature
Docs	—	x-version updated from v2 to v3 in the request header example.	Token

2026-09-12

Market Data API: Added new Screeners and Fundamentals endpoints.

Add

Category	API	Change	Link
API	Market Data API	Added 4 Screeners endpoints: Market Sectors, Market Sectors Detail, High Dividend Rank, and 52 Week High/Low.	Market Sectors Market Sectors Detail High Dividend Rank 52 Week High/Low
API	Market Data API	Added 20 Fundamentals endpoints: Forecast EPS, Filings, Earnings Calendar, Dividend Calendar, Capital Flow, Industry Comparison, Indicators, Income, Cashflow, Balancesheet, Alert, Fund Brief, Fund Performance, Fund NetValue, Fund Holdings, Fund Dividends, Fund Rating, Fund Splits, Fund Files, and Fund Allocation.	Forecast EPS Filings Earnings Calendar Dividend Calendar Capital Flow Industry Comparison Indicators Income Cashflow Balancesheet Alert Fund Brief Fund Performance Fund NetValue Fund Holdings Fund Dividends Fund Rating Fund Splits Fund Files Fund Allocation

2026-08-29

Trading API: Removed and renamed deprecated time fields in Order endpoints (Order Detail, Open Orders, Order History).

Changed

Category	API	Change	Link
API	Trading API	Order Detail, Open Orders, Order History: Removed place_time and fill_time fields. Renamed place_time_at to place_time, renamed filled_time_at to fill_time.	—

2026-08-22

Optimized API endpoint descriptions and paths.

Changed

Category	API	Change
API	Trading API	Optimized API endpoint descriptions and paths for clarity and consistency.

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

2026-06-20

Trading API Getting Started document update.

Changed

Category	API	Change	Link
Docs	—	Modification of the "trade.jar" package in the Java code: V2 -> V3	Trading API Getting Started

Add new document In the AI Friendly Resources.

Add

Category	API	Change	Link
Docs	—	Add the documents "Webull MCP Server" in the "AI Friendly Resources" module.	Webull MCP Server
Docs	—	Add the documents "Webull Agent Skills" in the "AI Friendly Resources" module.	Webull Agent Skills

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