> For clean Markdown of any page, append .md to the page URL.
> For a complete documentation index, see https://docs.modernfi.com/topics/llms.txt.
> For AI client integration (Claude Code, Cursor, etc.), connect to the MCP server at https://docs.modernfi.com/_mcp/server.

# Topics

## Docs

- [Using the Sandbox](https://docs.modernfi.com/topics/using-the-sandbox.md)
- [Authentication](https://docs.modernfi.com/topics/authentication.md)
- [Account Structure](https://docs.modernfi.com/topics/account-structure.md)
- [Idempotency](https://docs.modernfi.com/topics/idempotency.md)
- [Transactions](https://docs.modernfi.com/topics/transaction-records-and-sweeps.md)
- [Balance Fields](https://docs.modernfi.com/topics/balance-fields.md)
- [Interest](https://docs.modernfi.com/topics/interest.md)
- [Reports](https://docs.modernfi.com/topics/reports.md)
- [Versioning](https://docs.modernfi.com/topics/versioning.md)