For AI agents: a documentation index is available at the root level at /llms.txt and /llms-full.txt. Append /llms.txt to any URL for a page-level index, or .md for the markdown version of any page.
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Changelog

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January 31, 2026
January 31, 2026
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February 28, 2026

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December 31, 2025

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📣 Announcements

  • Cross-Chain API (Early Access): Learn more about the Cross-Chain API and request early access via the signup form.
  • xStock Support: xStock assets are now supported. To enable xStocks, email william@0xproject.com with the subject line “xStocks Opt-in”, and we’ll follow up with next steps.

New Chains

  • Abstract: Now supported in Swap API.

New Liquidity Sources

  • Avalanche: Added Pharaoh v3.
  • Base: Added Clober, Handji, Hydrex, Omni v3.
  • BSC: Added Pancake Infinity Bin.

New Features

  • xStock Support: Added support for xStock assets. Opt-in details are listed in the announcements above.

Chores

  • Expanded Uniswap v4 support:
    • Added Zora hook.
    • Added third-party Creator Coin hook.
    • Added Universal hook.
    • Added Stock hook.
  • Bebop Action Migration: Adopted the new Bebop action, improving execution handling by determining fill data internally.