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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May 5th, 2026
Activity V2 SSE
May 5th, 2026
Added
New corporate-action activity types and DIVNRA fields
February 12th, 2026
Added
Attributes of Assets API endpoint
January 8th, 2026
Added
New SystemEvent SSE endpoint
October 30th, 2025
CTA/UTP bid and ask size display change
October 29th, 2025
Added
Add Support for us-1 Crypto Market Data Location
October 28th, 2025
Improved
Optionally adjust bars after spin-offs
September 23rd, 2025
Added
Updated: Crypto Wallets API Documentation
August 21st, 2025
Added
Direct Market Access Gateway and Advanced Order Types for Elite Smart Router
June 25th, 2025
Outbound IP addresses changes
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