For AI agents: visit https://docs.alpaca.markets/eu/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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August 17th, 2026
Improved
Schema examples now use standard OpenAPI 3.1 examples
August 12th, 2026
Added
New ROC (Return of Capital) dividend activity sub-type
August 12th, 2026
Added
New "reason" field on Broker trade events
August 7th, 2026
Added
New REO (Reorganization) activity type
August 5th, 2026
Improved
Broker API description upgraded to OpenAPI 3.1.2
August 5th, 2026
Deprecated
"since_id" and "until_id" on v1 SSE event streams are deprecated
August 4th, 2026
Removed
Fixed-income market data endpoints removed
August 3rd, 2026
Removed
Legacy v1 trade events endpoint removed
August 3rd, 2026
Added
Adds "FI" (Fixed Income Interest) activity sub-type
August 1st, 2026
Added
New OCT activity type for on-chain transactions
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