> For clean Markdown of any page, append .md to the page URL.
> For a complete documentation index, see https://docs.0x.org/evm/0x-swap-api/guides/permit2/llms.txt.
> For AI client integration (Claude Code, Cursor, etc.), connect to the MCP server at https://docs.0x.org/_mcp/server.

# Permit2

> Developer documentation for the 0x API. Embed swaps in your onchain app. Access 10+ million tokens with liquidity from 150+ exchanges with a single API.

## Docs

- [Get Started with Permit2 (Advanced)](https://docs.0x.org/evm/0x-swap-api/guides/permit2/swap-tokens-with-0x-swap-api-permit2.md): Advanced guide covering how to get started using 0x Swap API (Permit2) to securely swap ERC-20 tokens.
- [Build a Token Swap App (Permit2)](https://docs.0x.org/evm/0x-swap-api/guides/permit2/build-token-swap-dapp-nextjs-permit2.md): Advanced guide covering how to build a token swap app using 0x Swap API (Permit2).