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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Changelog
September 10th, 2026
Improved
Locates endpoints documented as unavailable in paper trading
September 10th, 2026
Added
"enabled_assets" can be set when updating an account
September 9th, 2026
Improved
Account creation aligned by account type
September 9th, 2026
Fixed
Corrected "submitted_at" description on the order schemas
September 1st, 2026
Fixed
Corrected request and response schemas on rebalancing endpoints
September 1st, 2026
Improved
Standardized Idempotency-Key documentation on idempotent endpoints
September 1st, 2026
Improved
Schema descriptions and examples expanded across the API references
September 1st, 2026
Added
New "restricted" risk rating and clearer country info example
September 1st, 2026
Improved
Travel Rule schema refinements on crypto funding endpoints
September 1st, 2026
Added
Travel rule support on crypto withdrawal endpoints
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