For AI agents: the docs index is at https://docs.alpaca.markets/us/v1.1/llms.txt. The index for every project on this site is at https://docs.alpaca.markets/llms.txt. Append .md to any documentation page URL to get its markdown version.
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June 5th, 2026
Added
Adds "borrow_status" and deprecates "easy_to_borrow" on assets
June 4th, 2026
Deprecated
PDT status and one-time-removal endpoints are deprecated
June 4th, 2026
Improved
Expanded market code reference for calendar and clock
June 4th, 2026
Fixed
Corrected "since_id"/"until_id" types on v2 Events SSE endpoints
June 3rd, 2026
Deprecated
Pattern day trading and DTBP fields and endpoints are deprecated
June 3rd, 2026
Deprecated
PDT fields "pattern_day_trader" and "pdt_check" are deprecated
June 3rd, 2026
Added
Index values, fixed income quotes, and global corporate actions
May 28th, 2026
Added
New "chain" parameter on crypto wallet endpoints
May 25th, 2026
Added
New CGD (Capital Gain Distribution) activity type
May 22nd, 2026
Added
New corporate action types: reorganizations and partial calls
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