Change Logs

2026-07-25

Trading API: Added single-leg option order support for US Market.

New

Category	API	Change	Link
API	Trading API	Added single-leg option order capability to the Place Order endpoint. Users can now submit single-leg option orders (Buy/Sell) through the existing order placement interface.	Order Place

2026-07-13

AI-Friendly Resources: Added Webull Cloud MCP Server documentation.

New

Category	API	Change	Link
Docs	—	Added Webull Cloud MCP Server quickstart documentation under AI-Friendly Resources	Webull Cloud MCP Server

2026-07-10

AI-Friendly Resources: Added Webull CLI documentation.

New

Category	API	Change	Link
Docs	—	Added Webull CLI quickstart documentation under AI-Friendly Resources	CLI

2026-06-27

Market Data API: Added Fundamentals module with 22 new endpoints and 4 new Screener endpoints.

Trading API: Company Profile, Analyst Target Price and Analyst Rating moved to Market Data API > Fundamentals.

New

Category	API	Change	Link
API	Market Data API	Added Fundamentals category with 22 endpoints: Company Profile, Analyst Target Price, Analyst Rating, 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	Fundamentals
API	Market Data API	Added 4 new endpoints to Screener: Market Sectors — Get market sector list Market Sectors Detail — Get sector constituent stocks High Dividend Rank — Get high dividend stocks ranking 52 Week High/Low — Get 52 week high/low stocks	Market Sectors · Market Sectors Detail · High Dividend Rank · 52 Week High/Low

Changed

Category	API	Change	Link
API	Trading API	Instrument module: Company Profile, Analyst Target Price, and Analyst Rating moved to Market Data API > Fundamentals	Fundamentals

2026-06-13

Historical Bars API now supports additional bar intervals, including intraday, daily, weekly, monthly, and yearly timeframes.

Gainers & Losers API returns update.

Top Active Screener endpoint has been renamed.

Changed

Category	API	Change	Link
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
API	Market Data API	Gainers & Losers endpoint response added relative_volume_10d field.	Gainers & Losers
API	Market Data API	Screener endpoint name and URL changed from most-active to top-active.	Top Active

2026-06-06

Trading API: Get Stock Instrument response now returns four additional margin fields.

Changed

Category	API	Change	Link
API	Trading API	Get Stock Instrument response now returns four additional margin fields: intraday_margin_long — Intraday margin requirement ratio for long position intraday_margin_short — Intraday margin requirement ratio for short position maintenance_margin_long — Maintenance margin requirement ratio for long position maintenance_margin_short — Maintenance margin requirement ratio for short position	Get Stock Instrument

2026-05-23

Upgraded signature algorithm from HMAC-SHA1 to HMAC-SHA256 for enhanced security.

Changed

Category	API	Change	Link
Authentication	All APIs	The request signature algorithm has been upgraded from HMAC-SHA1 to HMAC-SHA256.	Signature

2026-05-16

New MCP tools and Skills endpoints added. Fixed incorrect field values returned by the screener ranking API.

New

Category	API	Change	Link
MCP	Market Data API	Added new MCP tools: get_stock_noii_bars, get_stock_noii_snapshot, get_gainers_losers, get_most_active	MCP
MCP	Trading API	Added new MCP tools: get_futures_instruments, get_futures_products, get_futures_product_class, get_company_profile, get_analyst_rating, get_analyst_target_price, get_watchlists, create_watchlist, update_watchlist, delete_watchlist, get_watchlist_instruments, add_watchlist_instruments, remove_watchlist_instruments, update_watchlist_instruments	MCP
Skills	Market Data API	Added new Skills endpoints: stock-noii-bars, stock-noii-snapshot, stock-gainers-losers, stock-most-active	Skills
Skills	Trading API	Added new Skills endpoints: instrument-company-profile, instrument-analyst-rating, instrument-analyst-target-price, instrument-futures-product-class, instrument-futures-products, instrument-futures-list, watchlist-list, watchlist-create, watchlist-delete, watchlist-update, watchlist-instruments-list, watchlist-instruments-add, watchlist-instruments-remove, watchlist-instruments-update	Skills

Changed

Category	API	Change	Link
API	Trading API	Fixed incorrect field values returned by the screener ranking endpoints	Trading API