For AI agents: a documentation index is available at the root level at /llms.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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OverviewEVMSVMCross-ChainAPI ReferenceLiquidity IntegrationChangelog
OverviewEVMSVMCross-ChainAPI ReferenceLiquidity IntegrationChangelog
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Changelog

Stay updated on 0x API changes and new features — subscribe to the changelog.

August 8, 2025
August 8, 2025

Private Early Release

  • Solana Swap Instructions API
  • Cross-Chain API

Interested in early access to the Solana or Cross-Chain APIs? Contact us to learn more.

New Liquidity Sources

  • Base: Added Hydrex.
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