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

# Need Help?

> 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

- [FAQ](https://docs.0x.org/docs/introduction/faq.md): Common issues and troubleshooting tips for 0x APIs
- [Issues & Error Codes](https://docs.0x.org/docs/introduction/api-issues.md): Learn about 0x API issues and error codes and how to resolve them.
- [Support](https://docs.0x.org/docs/introduction/need-help.md): Need help with 0x? Explore documentation, AI tools, and direct support options.