For AI agents: visit https://docs.alpaca.markets/us/v1.1/llms.txt for an index of all pages formatted in Markdown and endpoints in OpenAPI. Append .md to any documentation page URL to get its markdown version.
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July 30th, 2026
Added
New "data_quality" filter to include incomplete corporate actions
July 30th, 2026
Added
New MEM activity detail type on Activity V2 events
July 30th, 2026
Added
ISIN identifiers added to SSE v2 corporate action events
July 29th, 2026
Improved
Portfolio history examples now document cashflow data
July 29th, 2026
Added
Filter account activities by order with "order_id"
July 29th, 2026
Added
"pending" added to the NonTradeActivityEvent "status" enum
July 27th, 2026
Added
"obligation" report added to JIT reports
July 23rd, 2026
Added
New "quote_unavailable" locate error for unavailable prices
July 22nd, 2026
Fixed
ULID Regeneration for Historical v1 Event Streams
July 21st, 2026
Improved
Journal status events allow empty "status_from"
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